US3908523A - Method of making liquid-tight cup - Google Patents

Method of making liquid-tight cup Download PDF

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US3908523A
US3908523A US413021A US41302173A US3908523A US 3908523 A US3908523 A US 3908523A US 413021 A US413021 A US 413021A US 41302173 A US41302173 A US 41302173A US 3908523 A US3908523 A US 3908523A
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cup
sheet
tight
liquid
cup member
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US413021A
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Yukihiro Shikaya
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Dai Nippon Printing Co Ltd
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Dai Nippon Printing Co Ltd
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65DCONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D3/00Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines
    • B65D3/22Rigid or semi-rigid containers having bodies or peripheral walls of curved or partially-curved cross-section made by winding or bending paper without folding along defined lines with double walls; with walls incorporating air-chambers; with walls made of laminated material
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S229/00Envelopes, wrappers, and paperboard boxes
    • Y10S229/939Container made of corrugated paper or corrugated paperboard

Definitions

  • ABSTRACT A method of forming a liquid-tight up comprising a cup-like body and a sheet member disposed around the peripheral surface of the cup-like body. with the sheet member being corrugated to provide a plurality of concavo-eonvex flutes. whereby air compartments are provided between the peripheral surface of the cup-like member and the inner surface of the sheet member.
  • the sheet member comprises forming the sheet member by cutting. from a planar sheet, a planar blank having a width in excess of the peripheral length of the circular bottom of an inner cup member and a length substantially equal to the height of the side wall of the inner cup member.
  • the opposite ends of the planar blank are then united in overlapped relation to form a circular cross-section sleeve constituting an outer member and. after such uniting.
  • the blank is formed with concavo-convex flutes to form a structure whose periph eral surface is corrugated.
  • the inner and outer members are then telescoped to form a composite liquidtight cup with heat insulating air passages extending upwardly along the outer surface of the side wall of the inner cup member.
  • This invention relates to a method of making a cup for containing liquid, such as, cooling drinks, hot tea, etc, solids, and a combination of liquid and solids.
  • liquid such as, cooling drinks, hot tea, etc, solids
  • Various kinds of cups made of paper or plastics have been provided heretofore.
  • prior cups have been required to have a high heat retaining property or a high thermal insulating property to ensure that a user can handle the cup without feeling the heat of contents therein and being wetted with water drops on the peripheral surface thereof, even when the cup contains a cooling drink, hot tea, etc.
  • a liquid-tight cup comprising an inner hollow bottomed member, and an outer member circumferentially covering at least part of the longitudinal length of the peripheral surface of the inner member, the outer member being formed with a plurality of concavo-convex flutes each extending longitudinally over the length thereof, whereby a plurality of air compartments are provided between the inner and outer members.
  • the air compartments can impart enough heat retaining property and enough thermal insulating property to the cup.
  • FIG. 1 is a perspective view of an embodiment of a cup constructed according to the teachings of this invention
  • FIGS. 2 to 4 am perspective views explaining different methods of making a corrugated sheet, which is to be disposed around the cup body;
  • FIGS. 5 and 6 are perspective views of different embodiments of the cup having the corrugated sheet of FIG. 4 attached therearound in different manners;
  • FIGS. 7 and 8 are perspective views explaining further methods of making a corrugated sheet.
  • FIGS. 9 and 10 are perspective views of further different embodiments of the cup.
  • FIG. 1 there is shown a typical liquid-tight cup consisting of a hollow bottomed body 1 of a cup-like shape and forming an inner member, and a covering or outer member 2 disposed around the outer surface of the ho]- low bottomed body 1.
  • the covering member 2 is provided with a plurality of concavo-convex flutes 3 extending along the height of the body 1 so that a plurality of air compartments 4 are provided over the circumference of the hollow body 1 and between the outer surface of the hollow body 1 and the inner surface of the covering member 2.
  • the hollow body and the covering member may be made of suitable materials. such as, waterand oil-resistant paper, plastics, foil metals, or combinations thereof. However, paper is preferably employed as a material for the making of the cup, because a paper cup is inexpensive to manufacture and the disposal of the used cup is carried out with ease.
  • the air compartments 4 impart a suitable heat retaining property and a suitable thermal insulating property to the cup. Therefore, even where the cup contains a cold liquid, no water drops are developed on the outer surface of the cup and the hands of a user dont become wet. In contrast. when the cup contains a hot liquid, he can hold the cup without feeling the heat of the hot liquid.
  • the disposing of the corrugated covering member 2 around the hollow body 1 can be selectively effected by the following methods.
  • the corrugated sheet member 2 is preliminarily formed into a hollow conical frustum or a cylinder with the opposite side ends thereof secured to each other and thereafter the frustumshaped or cylindrical cup body 1 is inserted into the complementary covering member 2.
  • the members l and 2 may be preferably stuck together by using a paste or by heat sealing or other means. This method is hereinafter referred to as the inserting method.
  • the disposing of the corrugated covering member 2 is accomplished by directly winding the corrugated covering member 2 around the hollow bodyl.
  • the corrugated covering member 2 may be connected to the hollow body 1 by providing the peripheral surface of the hollow body 1 with a paste in a circumferential line or lines.
  • the second method is hereinafter referred to as the winding method.
  • a rectangular base sheet A is shown formed with the plurality of concavo-convex flutes 3 arranged in parallel with each other and with the opposite side ends of the base sheet A.
  • the base sheet A is trimmed by cutting into a rectangular sheet member 241 having such dimensions that the height or the length of the flutes 3 of the sheet member 2a equals the longitudinal length of the hollow body 1 and the width is slightly greater than the circumferential length of the bottom of the hollow body 1.
  • the sheet member 2a is to be increased in width by about twice the overlapped length of the opposite side end.
  • the sheet member 2a of FIG. 2 is first deformed into a cylinder with the opposite side ends stuck together and then the hollow body 1 is inserted into the thus formed cylinder of the sheet member 2a. Since the circumferential length of the upper portion of the hollow body 1 is greater than the width of the sheet member 2a before the deformation, the upper portion of the cylinder 2a is expanded when the hollow body 1 is inserted thereinto whereas the lower portion of the cylinder 2a is shrunk by the influence of the expansion of the upper cylinder portion, allowing the cylinder 2a to be snugly fitted onto the hollow body 1.
  • a base sheet initially without concave-convex flutes, into a corrugated cylinder in a manner as follows.
  • a smooth base sheet B is cut to form a smooth rectangular sheet B which is, in turn, easily connected together at the opposite side ends thereof into a smooth cylinder B on which a plurality of parallel concavo-convex flutes are marked in a suitable manner, thus forming a corrugated cylinder 2a.
  • the cup is completed, in the inserting method, by inserting the hollow body 1 into the corrugated cylinder 2a or vice versa.
  • FIG. 4 shows a modified covering member 212 of a sector shape which may be formed by stamping out of the corrugated base sheet A.
  • the covering member 2h has a plurality of concavo-convex flutes 3 parallel with one another and with a radial center line of the sector 2h passing through a common center of curvature of the sector arcs.
  • FIGS. 5 and 6 show cups obtained by using the sector 2b of FIG. 4. It is noted that the cup of FIG. 5 having the sector 2b disposed therearound with the opposite side ends of the sector overlapped is bulky since the direction of inclination of each flute of one of the opposite side ends reverses with respect to that of each flute of the other opposite side end at the connection of the sector. Therefore, the making of the cup is preferably performed by the winding method, in which the sector 2b is wound around the hollow body 1 without sticking the opposite side ends thereof with each other, shown in FIG. 6.
  • FIG. 7 shows a further modified covering member 2(- of a sector shape which may be formed by stamping, out of the smooth base sheet B of FIG. 3, a smooth sector sheet B and marking a plurality of radially extending concavo-convex flutes 3 on the sector sheet B
  • the covering member 2c having the radially extending concavo-convex flutes 3
  • the flutes at the opposite sidc ends are made parallel to each other when disposed around the hollow body 1, providing a good figure of liquid-tight cup as shown in FIG. 1.
  • FIG. 8 shows a laminated covering member 2a, which is a modification of the sector 2b shown in FIG. 4.
  • the modified sheet 2d is formed by stamping out a sector from a sheet C, which sheet C is a lamination of the smooth base sheet or film 8, and the corrugated base sheet A.
  • the thus produced covering member 2d is preferably disposed around the conical body 1 in the manner as mentioned regarding the sector sheet 217 of FIG. 3, with placing ofthe smooth surface of the covering member 24! outside the vessel.
  • the covering member 2d may be disposed around the conical body with the corrugated surface out.
  • FIGS. 9 and 10 show different embodiments, in which a corrugated sheet is disposed around only part of the conical body 1.
  • the hcreinbefore described cup members can be made of any of such materials as paper, plastics, foil metals and combinations thereof. Particularly, paper is preferably employed in view of the low manufacturing cost and the easiness of used cup disposal. It is also stated that when the plastics are employed the cup may be of one-piece integral formation.
  • the cup according to the invention has the air compartments formed therein along the length of a cup so that the thermal insulating property or a heat retaining property are imparted to the cup, with the resultant advantages that the user feels no heat of the contents in the cup and no water drops are developed on the peripheral surface of the cup even when it contains a cold liquid, a solid, or a combination thereof. It is a further advantage of this invention that the cup has sufficient strength since it is of multi-wall construction.
  • the cross section of the flutes of the corrugated sheet may be of any shape such, for example, as U- or V-shape. It is also possible to further provide the peripheral surfaces of the cups shown in FIGS. 1, 5, 6, 9 and 10 with a smooth sheet, instead of using the laminated sheet 2d.
  • a method of forming a liquid-tight heat-insulated cup comprising the steps of providing a smooth surface inner cup member having a circular bottom and a circular cross-section side wall in liquid-tight relation with said bottom and extending upwardly therefrom; cutting, from a smooth planar sheet, a smooth planar blank.

Abstract

A method of forming a liquid-tight up comprising a cup-like body and a sheet member disposed around the peripheral surface of the cup-like body, with the sheet member being corrugated to provide a plurality of concavo-convex flutes, whereby air compartments are provided between the peripheral surface of the cup-like member and the inner surface of the sheet member, comprises forming the sheet member by cutting, from a planar sheet, a planar blank having a width in excess of the peripheral length of the circular bottom of an inner cup member and a length substantially equal to the height of the side wall of the inner cup member. The opposite ends of the planar blank are then united in overlapped relation to form a circular cross-section sleeve constituting an outer member and, after such uniting, the blank is formed with concavo-convex flutes to form a structure whose peripheral surface is corrugated. The inner and outer members are then telescoped to form a composite liquid-tight cup with heat insulating air passages extending upwardly along the outer surface of the side wall of the inner cup member.

Description

United States Patent [1 1 Shikaya 1 1 METHOD OF MAKING LIQUID-TIGHT CUP [75] Inventor: Yukihiro Shikaya, Tokyo. Japan [731 Assignees Dai Nippon Insatsu Kabushiki Kaisha, Japan Filed: Nov. 5, 1973 :1 Appl. No; 413.021
[30] Foreign Application Priority Data Nov. 15. 1972 Japan 47-1314-18 [52] US. Cl 93/3601; 93/54 R; 93/60; 93/94 FC; 229/].5 B; 229/90 [51] Int. Cl.'- B31B 7/00; B65D 3/00 [58] Field of Search 229/].5 B. 90. DIG. 5;
215/1005; 93/39 C. 40.1, 43. 36.01. 54 R. 60, 94 R, 94 FC FOREIGN PATENTS OR APPLICATIONS 604.794 6/1948 United Kingdom 229/90 1 Sept. 30, 1975 Primary Evuminer-Davis T. Moorhead Attorney. Agent. or FirmMcG1ew and Tuttle 5 7] ABSTRACT A method of forming a liquid-tight up comprising a cup-like body and a sheet member disposed around the peripheral surface of the cup-like body. with the sheet member being corrugated to provide a plurality of concavo-eonvex flutes. whereby air compartments are provided between the peripheral surface of the cup-like member and the inner surface of the sheet member. comprises forming the sheet member by cutting. from a planar sheet, a planar blank having a width in excess of the peripheral length of the circular bottom of an inner cup member and a length substantially equal to the height of the side wall of the inner cup member. The opposite ends of the planar blank are then united in overlapped relation to form a circular cross-section sleeve constituting an outer member and. after such uniting. the blank is formed with concavo-convex flutes to form a structure whose periph eral surface is corrugated. The inner and outer members are then telescoped to form a composite liquidtight cup with heat insulating air passages extending upwardly along the outer surface of the side wall of the inner cup member.
1 Claim, 10 Drawing Figures US. Patent Sept. 30,1975 Sheet 2 of2 3,908,523
METHOD or MAKING LIQUID-TIGHT CUP BACKGROUND OF THE INVENTION This invention relates to a method of making a cup for containing liquid, such as, cooling drinks, hot tea, etc, solids, and a combination of liquid and solids. Various kinds of cups made of paper or plastics have been provided heretofore. However, prior cups have been required to have a high heat retaining property or a high thermal insulating property to ensure that a user can handle the cup without feeling the heat of contents therein and being wetted with water drops on the peripheral surface thereof, even when the cup contains a cooling drink, hot tea, etc.
SUMMARY OF THE INVENTION It is a primary object of this invention to provide a method of making a liquid-tight cup which has enough heat retaining property or enough thermal insulating property so that, even when the vessel contains a cold or hot drink, no water drops are developed on the outer surface of the cup and limited heat is allowed to transfer through the walls of the cup to a user.
It is a further object of this invention to provide a method of making a nearly liquid-tight cup of a plain design which creates an aesthetic feeling through the sense of sight.
It is a still further object of this invention to provide a method of making a liquid-tight cup which is of multiwall construction providing enough strength for the cup.
These and other objects of this invention are accomplished in accordance with the teachings of this invention by providing a liquid-tight cup comprising an inner hollow bottomed member, and an outer member circumferentially covering at least part of the longitudinal length of the peripheral surface of the inner member, the outer member being formed with a plurality of concavo-convex flutes each extending longitudinally over the length thereof, whereby a plurality of air compartments are provided between the inner and outer members. The air compartments can impart enough heat retaining property and enough thermal insulating property to the cup.
BRIEF DESCRIPTION OF THE DRAWINGS These and other objects of this invention will become more apparent when considered in view of the following description and drawings in which:
FIG. 1 is a perspective view of an embodiment of a cup constructed according to the teachings of this invention;
FIGS. 2 to 4am perspective views explaining different methods of making a corrugated sheet, which is to be disposed around the cup body;
FIGS. 5 and 6 are perspective views of different embodiments of the cup having the corrugated sheet of FIG. 4 attached therearound in different manners;
FIGS. 7 and 8 are perspective views explaining further methods of making a corrugated sheet; and
FIGS. 9 and 10 are perspective views of further different embodiments of the cup.
DESCRIPTION OF THE PREFERRED EMBODIMENTS With reference to the drawings and in particular to FIG. 1, there is shown a typical liquid-tight cup consisting of a hollow bottomed body 1 of a cup-like shape and forming an inner member, and a covering or outer member 2 disposed around the outer surface of the ho]- low bottomed body 1. The covering member 2 is provided with a plurality of concavo-convex flutes 3 extending along the height of the body 1 so that a plurality of air compartments 4 are provided over the circumference of the hollow body 1 and between the outer surface of the hollow body 1 and the inner surface of the covering member 2. The hollow body and the covering member may be made of suitable materials. such as, waterand oil-resistant paper, plastics, foil metals, or combinations thereof. However, paper is preferably employed as a material for the making of the cup, because a paper cup is inexpensive to manufacture and the disposal of the used cup is carried out with ease.
It is noted that the air compartments 4 impart a suitable heat retaining property and a suitable thermal insulating property to the cup. Therefore, even where the cup contains a cold liquid, no water drops are developed on the outer surface of the cup and the hands of a user dont become wet. In contrast. when the cup contains a hot liquid, he can hold the cup without feeling the heat of the hot liquid.
The disposing of the corrugated covering member 2 around the hollow body 1 can be selectively effected by the following methods. In the first method, the corrugated sheet member 2 is preliminarily formed into a hollow conical frustum or a cylinder with the opposite side ends thereof secured to each other and thereafter the frustumshaped or cylindrical cup body 1 is inserted into the complementary covering member 2. The members l and 2 may be preferably stuck together by using a paste or by heat sealing or other means. This method is hereinafter referred to as the inserting method. Secondly, the disposing of the corrugated covering member 2 is accomplished by directly winding the corrugated covering member 2 around the hollow bodyl. In this case. the corrugated covering member 2 may be connected to the hollow body 1 by providing the peripheral surface of the hollow body 1 with a paste in a circumferential line or lines. The second method is hereinafter referred to as the winding method.
In FIG. 2, a rectangular base sheet A is shown formed with the plurality of concavo-convex flutes 3 arranged in parallel with each other and with the opposite side ends of the base sheet A. The base sheet A is trimmed by cutting into a rectangular sheet member 241 having such dimensions that the height or the length of the flutes 3 of the sheet member 2a equals the longitudinal length of the hollow body 1 and the width is slightly greater than the circumferential length of the bottom of the hollow body 1. In addition, it is of course necessary that, in the case where the sheet member 2a is to be connected to the hollow body 1 with its opposite side ends overlapped together, the sheet member 2a is to be increased in width by about twice the overlapped length of the opposite side end.
In case where the rectangular sheet member 2a of FIG. 2 is to be disposed around the hollow body 1 of a conical frustum shape by the inserting method, the sheet member 2a is first deformed into a cylinder with the opposite side ends stuck together and then the hollow body 1 is inserted into the thus formed cylinder of the sheet member 2a. Since the circumferential length of the upper portion of the hollow body 1 is greater than the width of the sheet member 2a before the deformation, the upper portion of the cylinder 2a is expanded when the hollow body 1 is inserted thereinto whereas the lower portion of the cylinder 2a is shrunk by the influence of the expansion of the upper cylinder portion, allowing the cylinder 2a to be snugly fitted onto the hollow body 1. However, to precisely cut the once corrugated base sheet A into a given size of covering member 2a is very difficult because of the flexibility and the elasticity of the corrugated base sheet A. Also, there occurs a difficulty in that, when sticking the op posite side ends of the covering member 20 together, it is required to coincide the convex or concave surface of one of the opposite side ends of the covering mem ber 2a with the concave or convex surface of the other side end.
In order to eliminate the above difficulty, it is preferable to previously form a base sheet, initially without concave-convex flutes, into a corrugated cylinder in a manner as follows. In FIG. 3, a smooth base sheet B is cut to form a smooth rectangular sheet B which is, in turn, easily connected together at the opposite side ends thereof into a smooth cylinder B on which a plurality of parallel concavo-convex flutes are marked in a suitable manner, thus forming a corrugated cylinder 2a. The cup is completed, in the inserting method, by inserting the hollow body 1 into the corrugated cylinder 2a or vice versa.
FIG. 4 shows a modified covering member 212 of a sector shape which may be formed by stamping out of the corrugated base sheet A. The covering member 2h has a plurality of concavo-convex flutes 3 parallel with one another and with a radial center line of the sector 2h passing through a common center of curvature of the sector arcs.
FIGS. 5 and 6 show cups obtained by using the sector 2b of FIG. 4. It is noted that the cup of FIG. 5 having the sector 2b disposed therearound with the opposite side ends of the sector overlapped is bulky since the direction of inclination of each flute of one of the opposite side ends reverses with respect to that of each flute of the other opposite side end at the connection of the sector. Therefore, the making of the cup is preferably performed by the winding method, in which the sector 2b is wound around the hollow body 1 without sticking the opposite side ends thereof with each other, shown in FIG. 6.
FIG. 7 shows a further modified covering member 2(- of a sector shape which may be formed by stamping, out of the smooth base sheet B of FIG. 3, a smooth sector sheet B and marking a plurality of radially extending concavo-convex flutes 3 on the sector sheet B With the covering member 2c having the radially extending concavo-convex flutes 3, the flutes at the opposite sidc ends are made parallel to each other when disposed around the hollow body 1, providing a good figure of liquid-tight cup as shown in FIG. 1.
FIG. 8 shows a laminated covering member 2a, which is a modification of the sector 2b shown in FIG. 4. The modified sheet 2d is formed by stamping out a sector from a sheet C, which sheet C is a lamination of the smooth base sheet or film 8, and the corrugated base sheet A. The thus produced covering member 2d is preferably disposed around the conical body 1 in the manner as mentioned regarding the sector sheet 217 of FIG. 3, with placing ofthe smooth surface of the covering member 24! outside the vessel. The covering member 2d. however, may be disposed around the conical body with the corrugated surface out.
FIGS. 9 and 10 show different embodiments, in which a corrugated sheet is disposed around only part of the conical body 1.
It is stated again that the hcreinbefore described cup members can be made of any of such materials as paper, plastics, foil metals and combinations thereof. Particularly, paper is preferably employed in view of the low manufacturing cost and the easiness of used cup disposal. It is also stated that when the plastics are employed the cup may be of one-piece integral formation.
From the foregoing, it will be understood that the cup according to the invention has the air compartments formed therein along the length of a cup so that the thermal insulating property or a heat retaining property are imparted to the cup, with the resultant advantages that the user feels no heat of the contents in the cup and no water drops are developed on the peripheral surface of the cup even when it contains a cold liquid, a solid, or a combination thereof. It is a further advantage of this invention that the cup has sufficient strength since it is of multi-wall construction.
Although various specific embodiments have been described above, it will be readily understood by those skilled in the art that various modifications and changes in the details of constructions may be accomplished without departing from the spirit and scope of the invention. For example, the cross section of the flutes of the corrugated sheet may be of any shape such, for example, as U- or V-shape. It is also possible to further provide the peripheral surfaces of the cups shown in FIGS. 1, 5, 6, 9 and 10 with a smooth sheet, instead of using the laminated sheet 2d.
What I claim is:
l. A method of forming a liquid-tight heat-insulated cup comprising the steps of providing a smooth surface inner cup member having a circular bottom and a circular cross-section side wall in liquid-tight relation with said bottom and extending upwardly therefrom; cutting, from a smooth planar sheet, a smooth planar blank. as a starting material, having a width in excess of the peripheral length of said circular bottom and a length substantially equal to the height of said side wall; then uniting the laterally opposite ends of said smooth planar blank in overlapped relation to form a circular cross-section, initially smooth surface, sleeve constituting an outer cup member; after such uniting, thereafter forming parallel, longitudinally extending concavoconvex flutes in said outer cup member to form a structure whose peripheral surface is corrugated longitudinally of said sleeve; and then telescoping said inner cup member into said outer cup member to form a composite liquid-tight cup with heat insulating air passages extending upwardly along the outer surface of the smooth side wall of said inner cup member.

Claims (1)

1. A method of forming a liquid-tight heat-insulated cup comprising the steps of providing a smooth surface inner cup member having a circular bottom and a circular cross-section side wall in liquid-tight relation with said bottom and extending upwardly therefrom; cutting, from a smooth planar sheet, a smooth planar blank, as a starting material, having a width in excess of the peripheral length of said circular bottom and a length substantially equal to the height of said side wall; then uniting the laterally opposite ends of said smooth planar blank in overlapped relation to form a circular cross-section, initially smooth surface, sleeve constituting an outer cup member; after such uniting, thereafter forming parallel, longitudinally extending concavo-convex flutes in said outer cup member to form a structure whose peripheral surface is corrugated longitudinally of said sleeve; and then telescoping said inner cup member into said outer cup member to form a composite liquid-tight cup with heat insulating air passages extending upwardly along the outer surface of the smooth side wall of said inner cup member.
US413021A 1972-11-15 1973-11-05 Method of making liquid-tight cup Expired - Lifetime US3908523A (en)

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US4080880A (en) * 1974-03-08 1978-03-28 Dai Nippon Printing Company Limited Method for preparation of cylindrical corrugated article
US4284226A (en) * 1978-01-24 1981-08-18 Maryland Cup Corporation Two-piece pleated foam cup
US5092485A (en) * 1991-03-08 1992-03-03 King Car Food Industrial Co., Ltd. Thermos paper cup
US5102036A (en) * 1990-06-19 1992-04-07 Orr Joseph A Formable reusable enclosure
US5125564A (en) * 1990-10-26 1992-06-30 Akiva Buchberg Pleated packaging wrapper for objects
US5203490A (en) * 1992-06-25 1993-04-20 Roe Mark E Hot cup with heat-insulating hand-grip
US5205473A (en) * 1992-03-19 1993-04-27 Design By Us Company Recyclable corrugated beverage container and holder
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US5226585A (en) * 1991-11-19 1993-07-13 Sherwood Tool, Inc. Disposable biodegradable insulated container and method for making
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US5363982A (en) * 1994-03-07 1994-11-15 Sadlier Claus E Multi-layered insulated cup formed of one continuous sheet
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US5385260A (en) * 1994-01-19 1995-01-31 Sherwood Industries, Inc. Disposable cup assembly system and method
US5415339A (en) * 1993-04-21 1995-05-16 Howard; Jeremy C. Drinking cup with open ribbed sidewall
US5425497A (en) * 1993-11-09 1995-06-20 Sorensen; Jay Cup holder
US5460323A (en) * 1995-01-10 1995-10-24 California Environmental Cup, Inc. Disposable insulated container
US5506046A (en) * 1992-08-11 1996-04-09 E. Khashoggi Industries Articles of manufacture fashioned from sheets having a highly inorganically filled organic polymer matrix
US5514430A (en) * 1992-08-11 1996-05-07 E. Khashoggi Industries Coated hydraulically settable containers and other articles for storing, dispensing, and packaging food and beverages
US5524817A (en) * 1995-04-04 1996-06-11 Paper Machinery Corporation Dual walled container
US5543186A (en) * 1993-02-17 1996-08-06 E. Khashoggi Industries Sealable liquid-tight, thin-walled containers made from hydraulically settable materials
US5542599A (en) * 1995-08-07 1996-08-06 Sobol; Ronald E. Biodegradable thermally insulated beverage cup
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CH568053A5 (en) 1975-10-31
GB1450115A (en) 1976-09-22
JPS4987479U (en) 1974-07-29
FR2206240B1 (en) 1977-09-30
CA987521A (en) 1976-04-20
SE402400B (en) 1978-07-03
NL7315672A (en) 1974-05-17
DE2357177A1 (en) 1974-05-30
AU6243273A (en) 1975-05-15
FR2206240A1 (en) 1974-06-07

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