CN104646461A - Handheld pipe bender - Google Patents
Handheld pipe bender Download PDFInfo
- Publication number
- CN104646461A CN104646461A CN201310596614.6A CN201310596614A CN104646461A CN 104646461 A CN104646461 A CN 104646461A CN 201310596614 A CN201310596614 A CN 201310596614A CN 104646461 A CN104646461 A CN 104646461A
- Authority
- CN
- China
- Prior art keywords
- roller
- fixture
- component
- hand
- tubing
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/02—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment
- B21D7/024—Bending rods, profiles, or tubes over a stationary forming member; by use of a swinging forming member or abutment by a swinging forming member
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D43/00—Feeding, positioning or storing devices combined with, or arranged in, or specially adapted for use in connection with, apparatus for working or processing sheet metal, metal tubes or metal profiles; Associations therewith of cutting devices
- B21D43/003—Positioning devices
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21D7/00—Bending rods, profiles, or tubes
- B21D7/14—Bending rods, profiles, or tubes combined with measuring of bends or lengths
Abstract
The invention provides a handheld pipe bender; the handheld pipe bender is able to be flexibly adaptive to various pipes to be bended or various diameters of puncture needles. The handheld pipe bender comprises a housing, a first handle, a first fixing element, and a second fixing element, a first roller and a second roller, a second handle, a first positioning device, and a second positioning device. The first roller and the second roller are fixed between the first fixing element and the second fixing element; the distance between the first roller and the second roller is adjusted by the lengths of the first fixing element and the second fixing element; the pipe to be bended passes through between the first roller and the second roller; therefore, bending pipes of different diameters can be achieved by adjusting the lengths of the first fixing element and the second fixing element.
Description
Technical field
The present invention relates to field of mechanical technique, particularly a kind of hand-held pipe bender.
Background technology
The far-end of medical puncturing pin needs certain curved in some applications, and as in heart atrial septal puncture, the puncture needle that far-end is bending accurately can pierce through fossa ovalis, helps guiding sheath to enter atrium sinistrum.Heart for different patient constructs, and needs to design different curved puncture needle, facilitates the operation of doctor.
Bending operation for puncture needle adopts pipe bender usually.Disclose a kind of pipe bender in CN102327937A, the periphery of its fast pulley circle is provided with multiple groove, the pipe that flexible sizes is different abreast.But the diameter kind of the tubing that this pipe bender can bend depends on the kind of groove, the pipe diameter kind Limited Number that can process.
Summary of the invention
In view of this, the invention provides a kind of hand-held pipe bender, the diameter of multiple tubing to be bent or puncture needle can be adapted to neatly.The other features and advantages of the invention will be described further in conjunction with the embodiments.
For achieving the above object, the invention provides following technical scheme:
A kind of hand-held pipe bender, comprising: shell body, has base plate and is connected to two side plates of one group of opposite side of this base plate, these two side plates be located on this base plate the first side and perpendicular to this base plate; First handle, its end is connected with described base plate, and is positioned at the second side of described base plate; First fixture and the second fixture, be separately fixed at the inner side of described two side plates, described fixture adjustable length on the direction vertical with the axis of described first handle; First roller and the second roller, the two is disposed in parallel between described first fixture and the second fixture, and be connected with described second fixture with described first fixture respectively at respective two bottom surface circle centre positions, when the length of described first fixture and the second fixture is conditioned, the proximal most position place that described first roller and the distance between axles both the second roller are conditioned for side between clamps tubing; Second handle, its first end is connected with the side of described second roller, described second handle drives described second roller to rotate around the axle of self under the motion mode making the angle of itself and described first handle diminish, thus make when the part of tubing for described first roller and the clamping of the second roller synchronously carries out described motion mode with described second handle, this tubing in clamping place by bending.
Alternatively, also comprise the first positioner, described first positioner is fixed on described second handle, for spacing to make tubing and described second handle be synchronized with the movement to tubing.
Alternatively, also comprise the second positioner, described second positioner is connected with the base plate of described shell body is adjustable, for the position regulating this tubing to be clamped by described first roller and the second roller.
Alternatively, there is in described second positioner the screw rod be fixedly connected with the base plate of described shell body, one end of close described first roller of this screw rod has one section of hollow structure, and this screw rod is parallel to the tangential direction at the proximal most position place of the side of described first roller and the second roller.
Alternatively, when described second handle is parallel to described tangential direction, proximal most position and the described screw rod three of the side of the tubing position location on described first positioner, described first roller and the second roller are on same straight line.
Alternatively, one or more groove is circumferentially had in the side of described first roller and the second roller.
Alternatively, described positioner has one or more positioning element, and each described positioning element is used for positioning a described tubing.
Alternatively, the Shang You center of circle, one or two bottom surface angle index of described second roller; One end of close described second roller of described first fixture and/or the second fixture is porose, visible described center of circle angle index from described hole.
Alternatively, described first fixture comprises: the first component of strip, and one end has lower concave part along its length; The second component of strip, one end has the protuberance be embedded in described lower concave part; Fixture, is arranged on the wall of described lower concave part, and withstands on described protuberance through this wall, and described protuberance is fixed in described lower concave part.
Alternatively, described first fixture comprises: the first component of strip and the second component of strip; Connect the expansion hinge of described first component and second component.
Alternatively, described first fixture comprises: the first component of strip, and one end has lower concave part along its length, and the inwall of this lower concave part has multiple pit; The second component of strip; U-shaped connector, is embedded in the first end of described second component, respectively has a projection near the end of this U-shaped connector two-arm, the shape of this projection and the form fit of described pit; Two buttons, near the first end being embedded in described second component, and be positioned at the outside of the two-arm of described U-shaped connector, when described two buttons are pressed, the two-arm of described U-shaped connector is adjacent to each other and can insert in the lower concave part of described first component, and when now described two buttons are released the two-arm of described U-shaped connector mutually away from thus two projections on described U-shaped connector are stuck in the pit of the inwall of the lower concave part of described first component.
Alternatively, described first roller is connected with described first fixture and described second fixture respectively by bearing pin with the second roller.
According to technical scheme of the present invention, two rollers of hand-held pipe bender are fixed on the adjustable fixture of length, the diameter of the tubing that can bend is determined by the spacing of roller, this structure makes hand-held pipe bender can be applicable to bend the tubing of various diameter neatly, particularly can bend the tubing of diameter quite little (such as 0.5MM to 3MM).This hand-held pipe bender can carry out the bending of many tubing simultaneously, and can show the bending degree of tubing in real time, and can fine adjustment crooked place.In addition because this pipe bender is hand-held, carry and operate all very convenient, be suitable for operative site and use.
Accompanying drawing explanation
Accompanying drawing is used for understanding the present invention better, does not form inappropriate limitation of the present invention.Wherein:
Fig. 1 is the assembling schematic diagram of a kind of hand-held pipe bender according to the embodiment of the present invention;
Fig. 2 A, Fig. 2 B, Fig. 2 C are the schematic diagrames of the fixture according to the embodiment of the present invention;
Fig. 3 A, Fig. 3 B, Fig. 3 C are the schematic diagrames of the side of roller according to the embodiment of the present invention;
Fig. 4 A, Fig. 4 B, Fig. 4 C are the schematic diagrames of the structure of the first positioner according to the embodiment of the present invention;
Fig. 5 is the schematic diagram of the structure of another kind of hand-held pipe bender according to the embodiment of the present invention.
Detailed description of the invention
Below in conjunction with accompanying drawing, one exemplary embodiment of the present invention is explained, comprising the various details of the embodiment of the present invention to help understanding, they should be thought it is only exemplary.Therefore, those of ordinary skill in the art will be appreciated that, can make various change and amendment, and can not deviate from scope and spirit of the present invention to the embodiments described herein.Equally, for clarity and conciseness, the description to known function and structure is eliminated in following description.
Fig. 1 is the assembling schematic diagram of a kind of hand-held pipe bender according to the embodiment of the present invention.In this hand-held pipe bender shown in Fig. 1, first handle 1 is connected with the base plate 21 of shell body 2 is vertical, and one group of opposite side of base plate 21 is connected with the first side plate 221 and the second side plate 222 perpendicular to base plate 21.First fixture 4 and the second fixture 5 are separately fixed at the inner side of the first side plate 221 and the second side plate 222.First fixture 4 can be identical with the second fixture 5 structure, in bar shaped and length (namely along perpendicular to first handle in figure 1 arrow 100 shown in direction) adjustable.
The first roller 3 in hand-held pipe bender and the second roller 12 are separately fixed between the first fixture 4 and the second fixture 5.Specifically, connecting rod 8 is successively through the hole 51 on hole 121, second fixture 5 in roller 12 axle center, hole 41, second on the first fixture 4; Connecting rod 7 is successively through the hole (not shown) on hole 52, first side plate 221 on hole 31, second fixture in the hole (not shown) on hole 231, first fixture 4 on the second side plate 222, the first roller 3 axle center; Connecting rod 6 is successively through hole (not shown), the hole (not shown) on the second fixture 5, the hole (not shown) on the first side plate 221 on hole 232, first fixture 4 on the second side plate 222.
Then the one end of second handle 13 in hand-held pipe bender is first connected to the side of the second roller 12 through the cavity 141 of the first positioner 14, and axial vertical with the second roller 12.The second positioner be connected with the base plate 21 of shell body 2 in addition in hand-held pipe bender.When using hand-held pipe bender to carry out bend pipe operation, tubing passes between the first roller 3 and the second roller 12, position (hereinafter referred to as " clip position ") between first roller 3 and the phase proximal side of the second roller 12 is used for clamping tubing, the tubing of these clip position both sides respectively by the first positioner 14 and the second positioner locate, like this when pulling second handle 13 and making the angle of itself and first handle 1 diminish, second handle 13 drives the second roller 12 to rotate, now tubing can be moved relative to first handle 1 with second handle 13 by the part that the first positioner 14 is located, and tubing is kept geo-stationary by the part that the second positioner is located with first handle 1, the tubing of such clip position both sides produces relative motion, so tubing near clip position by bending.If do not arrange the first positioner 14, then need operating personnel by tubing from after passing between the first roller 3 and the second roller 12, tubing and second handle 13 are pinched together and then pull second handle 13.
A kind of structure of the second positioner is by being fixed on the platform part 10 inside base plate 21 and the knurled screw 9 through the hole 101 on platform part 10 shown in figure, in the figure of knurled screw 9, the upper end at visual angle has one section of hollow structure, to insert in this hollow structure thus located for tubing.Tangential consistent at clip position of knurled screw 9 and the first roller 3 or the second roller 12.Because tubing is usually comparatively thin, the hollow structure of knurled screw 9 has thinner internal diameter thereupon, thus pipe fitting between two rollers through not easily aiming at the hollow structure of knurled screw 9 afterwards.In order to avoid this situation, suitably can design tubing position location on the first positioner 14 (the tubing position location that such as positioning element 408 is hereinafter formed), make when second handle 13 be parallel to above-mentioned tangential time, this position location, clip position and knurled screw 9 three are on same straight line, be convenient to pipe fitting between two rollers through entering in the hollow structure of knurled screw 9 smoothly afterwards.
When the length of the first fixture 4 and the second fixture 5 changes, the distance between axles of the first roller 3 and the second roller 12 also changes.And this distance between axles determines the diameter of the tubing that can be bent, so pass through the spacing of adjustment first fixture 4 and the second fixture 5, hand-held pipe bender can be made to be adapted to the diameter of multiple tubing neatly.In addition, also the change of the spacing of the first roller 3 and the second roller 12 can be realized by the mode of the external diameter changing the first roller 3 and/or the second roller 12, for this reason, connecting rod 7 and connecting rod 8 can select bearing pin, convenient disassembly, the first roller 3 and/or the second roller 12 can disassemble and adopt the roller of other diameters to replace.
First fixture and the second fixture each can be the structure of two sections, these two sections to connect with certain forms and spacing is adjustable, and the first roller and the second roller are connected with these two sections respectively.First fixture and the second fixture can adopt the structure of the fixture in Fig. 2 A, Fig. 2 B, Fig. 2 C.Fig. 2 A, Fig. 2 B, Fig. 2 C are the schematic diagrames of the fixture according to the embodiment of the present invention.As shown in Figure 2 A, fixture 21 comprises the first component 211 of strip and the second component 212 of strip, one end of first component 211 has along its length the lower concave part 213 of (i.e. the direction of arrow in figure), and there is protuberance 214 one end of second component 212, is embedded in lower concave part 213.Separately there is fixture 215, be arranged on the wall of lower concave part 213, and withstand protuberance 214 through this wall, protuberance 214 is fixed in lower concave part 213.Fixture 215 can be screw or screw rod, protuberance 214 can be regulated to imbed the degree of depth in lower concave part 213, thus have adjusted the length of fixture 21, tighten fixture 215 thus the length of fixture 21 is fixed after having regulated after unscrewing.
Fixture 22 in Fig. 2 B comprises the first component 221 of strip and the second component 222 of strip equally, and the two is connected by expansion hinge 223.This expansion hinge 223 preferably has larger damping, and after making the adjustment of its aperture, the spacing of first component 221 and second component 222 is more stable.
Fixture 23 in Fig. 2 C also comprises the first component 231 of strip and the second component 232 of strip.One end of first component 231 has lower concave part 233 along its length, and the inwall of this lower concave part 233 has multiple pit 234.U-shaped connector 235 is embedded in the first end of second component 232, respectively has a projection 2361,2362 near the end of the two-arm 2351,2352 of this U-shaped connector 235, the shape of this projection and the form fit of pit 234.Separately there are two buttons 2371,2372 to be embedded in respectively near the first end of second component 232, and are positioned at the outside of the two-arm of U-shaped connector 235.U-shaped connector 235 makes to have certain elasticity between its two-arm because of its shape, like this, when two buttons 2371,2372 are pressed, the two-arm of U-shaped connector is adjacent to each other and can insert in the lower concave part 233 of first component 231, now discharge two buttons again, the two-arm of U-shaped connector just mutual away from thus two projections 2361,2362 are stuck in the pit 234 of the inwall of the lower concave part 233 of first component 231.Shown in figure is the situation that two projections 2361,2362 are stuck in pit 234.Two projections are stuck in different pits, and first component 231 and second component 232 just have different spacing, make fixture 23 have different length.
The side of the first roller 3 and the second roller 12 can arrange many group grooves thus carry out spacing to many tubing passed simultaneously, so just can once bend many tubing simultaneously.Fig. 3 A, Fig. 3 B, Fig. 3 C are the schematic diagrames of the side of roller according to the embodiment of the present invention.The first roller 51 in Fig. 3 A and the second roller 52 respectively there is a groove 511,521.In Fig. 3 B, two rollers respectively there are two grooves; In Fig. 3 C, two rollers respectively there are three grooves.These groove parts are distributed in roller side, and are parallel to the bottom surface of roller.
First positioner and the second positioner also can have the structure can fixing many pipe fittings, bend many tubing to enable hand-held pipe bender simultaneously.For the first positioner 14 shown in Fig. 1, its structure that can adopt is respectively as shown in Fig. 4 A to Fig. 4 C.Fig. 4 A, Fig. 4 B, Fig. 4 C are the schematic diagrames of the structure of the first positioner according to the embodiment of the present invention.Wherein 409 represent tubing.As can be seen from Figure, in the first positioner 41,42,43 in Fig. 4 A, Fig. 4 B, Fig. 4 C, there is the positioning element 408 of one to three U-shaped, therefore can position one, two, three tubing respectively.For the second positioner, platform part 10 can arrange multiple hole, and multiple knurled screw is set.
Fig. 5 is the schematic diagram of the structure of another kind of hand-held pipe bender according to the embodiment of the present invention.The basic structure of the hand-held pipe bender shown in Fig. 5 is similar to the basic structure of the hand-held pipe bender shown in Fig. 1.Second positioner of this hand-held pipe bender comprises platform part 10, nut 11 and knurled screw 9, and the effect of nut 11 makes knurled screw 9 more firm.Illustrate in Fig. 5 that tubing 15 is inserted into the state of the end of knurled screw 9.Because knurled screw 9 can move in their length direction more accurately, so can accurately regulate tubing 15 to extend to the length of the end of knurled screw 9 after passing the first roller 3 and the second roller 12, that is the crooked place of tubing 15 can quite accurately be regulated.The bottom surface of the second roller 12 there is central angle scale 128, first fixture 4 there is more hole, there is shown two holes 47,48, central angle scale can be seen by these two holes, and read the angle that current second roller 12 turns over, thus the bending degree of tubing 15 can be learnt.
According to technical scheme of the present invention, two rollers of hand-held pipe bender are fixed on the adjustable fixture of length, the diameter of the tubing that can bend is determined by the spacing of roller, this structure makes hand-held pipe bender can be applicable to bend the tubing of various diameter neatly, particularly can bend the tubing of diameter quite little (such as 0.5MM to 3MM).This hand-held pipe bender can carry out the bending of many tubing simultaneously, and can show the bending degree of tubing in real time, and can fine adjustment crooked place.In addition because this pipe bender is hand-held, carry and operate all very convenient, be suitable for operative site and use.
Above-mentioned detailed description of the invention, does not form limiting the scope of the invention.It is to be understood that depend on designing requirement and other factors, various amendment, combination, sub-portfolio can be there is and substitute in those skilled in the art.Any amendment done within the spirit and principles in the present invention, equivalent replacement and improvement etc., all should be included within scope.
Claims (12)
1. a hand-held pipe bender, is characterized in that, comprising:
Shell body, has base plate and is connected to two side plates of one group of opposite side of this base plate, these two side plates be located on this base plate the first side and perpendicular to this base plate;
First handle, its end is connected with described base plate, and is positioned at the second side of described base plate;
First fixture and the second fixture, be separately fixed at the inner side of described two side plates, described fixture adjustable length on the direction vertical with the axis of described first handle;
First roller and the second roller, the two is disposed in parallel between described first fixture and the second fixture, and be connected with described second fixture with described first fixture respectively at respective two bottom surface circle centre positions, when the length of described first fixture and the second fixture is conditioned, the proximal most position place that described first roller and the distance between axles both the second roller are conditioned for side between clamps tubing;
Second handle, its first end is connected with the side of described second roller, described second handle drives described second roller to rotate around the axle of self under the motion mode making the angle of itself and described first handle diminish, thus make when the part of tubing for described first roller and the clamping of the second roller synchronously carries out described motion mode with described second handle, this tubing in clamping place by bending.
2. hand-held pipe bender according to claim 1, is characterized in that, also comprises the first positioner, and described first positioner is fixed on described second handle, for spacing to make tubing and described second handle be synchronized with the movement to tubing.
3. hand-held pipe bender according to claim 2, is characterized in that, also comprises the second positioner, and described second positioner is connected with the base plate of described shell body is adjustable, for the position regulating this tubing to be clamped by described first roller and the second roller.
4. hand-held pipe bender according to claim 3, it is characterized in that, there is in described second positioner the screw rod be fixedly connected with the base plate of described shell body, one end of close described first roller of this screw rod has one section of hollow structure, and this screw rod is parallel to the tangential direction at the proximal most position place of the side of described first roller and the second roller.
5. hand-held pipe bender according to claim 4, it is characterized in that, when described second handle is parallel to described tangential direction, proximal most position and the described screw rod three of the side of the tubing position location on described first positioner, described first roller and the second roller are on same straight line.
6. hand-held pipe bender according to claim 1, is characterized in that, circumferentially has one or more groove in the side of described first roller and the second roller.
7. hand-held pipe bender according to claim 1, is characterized in that, described positioner has one or more positioning element, and each described positioning element is used for positioning a described tubing.
8. hand-held pipe bender according to claim 1, is characterized in that,
The Shang You center of circle, one or two bottom surface angle index of described second roller;
One end of close described second roller of described first fixture and/or the second fixture is porose, visible described center of circle angle index from described hole.
9. hand-held pipe bender according to claim 1, is characterized in that, described first fixture comprises:
The first component of strip, one end has lower concave part along its length;
The second component of strip, one end has the protuberance be embedded in described lower concave part;
Fixture, is arranged on the wall of described lower concave part, and withstands on described protuberance through this wall, and described protuberance is fixed in described lower concave part.
10. hand-held pipe bender according to claim 1, is characterized in that, described first fixture comprises:
The first component of strip and the second component of strip;
Connect the expansion hinge of described first component and second component.
11. hand-held pipe bendeies according to claim 1, is characterized in that, described first fixture comprises:
The first component of strip, one end has lower concave part along its length, and the inwall of this lower concave part has multiple pit;
The second component of strip;
U-shaped connector, is embedded in the first end of described second component, respectively has a projection near the end of this U-shaped connector two-arm, the shape of this projection and the form fit of described pit;
Two buttons, near the first end being embedded in described second component, and be positioned at the outside of the two-arm of described U-shaped connector, when described two buttons are pressed, the two-arm of described U-shaped connector is adjacent to each other and can insert in the lower concave part of described first component, and when now described two buttons are released the two-arm of described U-shaped connector mutually away from thus two projections on described U-shaped connector are stuck in the pit of the inwall of the lower concave part of described first component.
12. hand-held pipe bendeies according to any one of claim 1 to 11, it is characterized in that, described first roller is connected with described first fixture and described second fixture respectively by bearing pin with the second roller.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310596614.6A CN104646461B (en) | 2013-11-22 | 2013-11-22 | A kind of hand-held pipe bender |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310596614.6A CN104646461B (en) | 2013-11-22 | 2013-11-22 | A kind of hand-held pipe bender |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104646461A true CN104646461A (en) | 2015-05-27 |
| CN104646461B CN104646461B (en) | 2016-11-16 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310596614.6A Active CN104646461B (en) | 2013-11-22 | 2013-11-22 | A kind of hand-held pipe bender |
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| Country | Link |
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| CN (1) | CN104646461B (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108348268A (en) * | 2015-10-30 | 2018-07-31 | 阿克拉伦特公司 | Equipment for making the extending guiding piece of surgical instruments be bent |
| CN110496923A (en) * | 2019-08-30 | 2019-11-26 | 四川龙腾铁路器材有限公司 | A kind of twisted wire clip frming forceps easy to operate |
| CN111346953A (en) * | 2020-03-09 | 2020-06-30 | 潘雪军 | Bending processing equipment and processing technology for steam boiler connecting pipe fitting |
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| US2428237A (en) * | 1944-07-15 | 1947-09-30 | Imp Brass Mfg Co | Portable hand-operated tube bending tool |
| US4249407A (en) * | 1979-04-02 | 1981-02-10 | Fogleman Boyd C | Apparatus for bending steel tubes |
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| CN2117957U (en) * | 1991-11-23 | 1992-10-07 | 宫普选 | Portable tube bending machine |
| KR100406323B1 (en) * | 2003-05-20 | 2003-11-28 | Daejin Hydraulic Equipment & T | Pipe bending machine |
| CN102343385A (en) * | 2011-11-17 | 2012-02-08 | 中国核工业二三建设有限公司 | Manual pipe bender |
| CN203599313U (en) * | 2013-11-22 | 2014-05-21 | 上海微创电生理医疗科技有限公司 | Handheld pipe bender |
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| US2428237A (en) * | 1944-07-15 | 1947-09-30 | Imp Brass Mfg Co | Portable hand-operated tube bending tool |
| US4249407A (en) * | 1979-04-02 | 1981-02-10 | Fogleman Boyd C | Apparatus for bending steel tubes |
| CN2075991U (en) * | 1989-10-28 | 1991-05-01 | 吴秀峰 | Manual roller pipe bender |
| CN2117957U (en) * | 1991-11-23 | 1992-10-07 | 宫普选 | Portable tube bending machine |
| KR100406323B1 (en) * | 2003-05-20 | 2003-11-28 | Daejin Hydraulic Equipment & T | Pipe bending machine |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN108348268A (en) * | 2015-10-30 | 2018-07-31 | 阿克拉伦特公司 | Equipment for making the extending guiding piece of surgical instruments be bent |
| US11013897B2 (en) | 2015-10-30 | 2021-05-25 | Acclarent, Inc. | Apparatus for bending malleable guide of surgical instrument |
| CN110496923A (en) * | 2019-08-30 | 2019-11-26 | 四川龙腾铁路器材有限公司 | A kind of twisted wire clip frming forceps easy to operate |
| CN111346953A (en) * | 2020-03-09 | 2020-06-30 | 潘雪军 | Bending processing equipment and processing technology for steam boiler connecting pipe fitting |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104646461B (en) | 2016-11-16 |
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Address after: 201318 Shanghai city Pudong New Area zhouputown Tianxiong road 588 Lane twenty-eighth Building No. 1-28 Patentee after: SHANGHAI MICROPORT EP MEDTECH Co.,Ltd. Address before: 201318 Shanghai city Pudong New Area zhouputown Tianxiong road 588 Lane twenty-eighth Building No. 1-28 Patentee before: SHANGHAI MICROPORT EP MEDTECH Co.,Ltd. |