CN102634906A - High-intensity high-impact-resistant glass fiber cloth and preparation method thereof - Google Patents
High-intensity high-impact-resistant glass fiber cloth and preparation method thereof Download PDFInfo
- Publication number
- CN102634906A CN102634906A CN2012101356940A CN201210135694A CN102634906A CN 102634906 A CN102634906 A CN 102634906A CN 2012101356940 A CN2012101356940 A CN 2012101356940A CN 201210135694 A CN201210135694 A CN 201210135694A CN 102634906 A CN102634906 A CN 102634906A
- Authority
- CN
- China
- Prior art keywords
- glass fabric
- impact
- strength
- glass fiber
- fiber cloth
- 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
Links
Abstract
The invention discloses a high-intensity high-impact-resistant glass fiber cloth and a preparation method of the high-intensity high-impact-resistant glass fiber cloth. The high-intensity high-impact-resistant glass fiber cloth is formed by mutual weaving of warps and wefts. The warps and the wefts are glass fibers coated with an impregnating compound on the surfaces; the impregnating compound is formed by mixing a coupling agent, a lubricant, an epoxy film-forming agent, a polyester film-forming agent, a polyurethane film-forming agent and water in a ratio of 0.4:0.4:4.5:1.8:0.4:92.5 based on weight; the solid content of the impregnating compound is 5.0-7.0%; the moisture content of the glass fiber cloth is less than or equal to 0.20%; the content of a combustible matter is 0.6-1.0%; the warp tensile strength of the glass fiber cloth is 1600N/25mm-3000N/25mm; and the weft tensile strength of the glass fiber cloth is 1500N/25mm-1800N/25mm. According to the high-intensity high-impact-resistant glass fiber cloth, the glass fiber cloth is high in strength and impact resistance, and can be combined with various resin systems.
Description
Technical field
The present invention relates to a kind of glass fabric and preparation method thereof, be specifically related to a kind of high-strength high-impact glass fabric and preparation method thereof.
Background technology
Glass fabric is present modal a kind of reinforcing material, but glass fibre is with resin-bonded the time, owing to have the mechanics plane of weakness between glass fibre and the resin, therefore layering easily.And glass fibre can receive the effect of inherent strain in forming process, and in process, can receive the effect of external mechanical force, therefore defective such as a little less than some high-strength high-impact fields will exist intensity difference, impact resistance.
Therefore, at present in high-strength high-impact field (like the helmet, bumper, yacht, fishing boat and sports equipment etc.), often select the carbon fiber of intensity height, good impact resistance for use, but the price of carbon fiber is very expensive.
Summary of the invention
One of the object of the invention is to address the above problem, and provides a kind of and not only can combine well with resin, but also goes for the high-strength high-impact glass fabric in high-strength high-impact field.
Another object of the present invention is to provide the preparation method of above-mentioned high-strength high-impact glass fabric.
The technical scheme that realizes one of the object of the invention is: a kind of high-strength high-impact glass fabric; It is to be interweaved by warp thread and weft yarn to form; Said warp thread and weft yarn all are glass fibres that surfaces coated is covered with sizing agent; Said sizing agent by coupling agent, lubricant, epoxy film forming agent, polyester film forming agent, polyurethane film-forming agent and water according to 0.4: 0.4: 4.5: 1.8: 0.4: 92.5 weight ratio mixes, and the solids content in the sizing agent is 5.0%～7.0%; The moisture content of glass fabric≤0.20%, combustible content are 0.6%～1.0%; The warp-wise intensity of glass fabric is 1600N/25mm～3000N/25mm, and latitudinal strength is 1500N/25mm～1800N/25mm.
The mass area ratio of said glass fabric is 250 ± 20g/m
2, warp-wise intensity is 1600N/25mm～1800N/25mm, latitudinal strength is 1500N/25mm～1600N/25mm.
The mass area ratio of said glass fabric is 300 ± 24g/m
2, warp-wise intensity is 2000N/25mm～2200N/25mm, latitudinal strength is 1700N/25mm～1800N/25mm.
The mass area ratio of said glass fabric is 400 ± 32g/m
2, warp-wise intensity is 2500N/25mm～2700N/25mm, latitudinal strength is 1450N/25mm～1550N/25mm.
The mass area ratio of said glass fabric is 500 ± 40g/m
2, warp-wise intensity is 2800N/25mm～3000N/25mm, latitudinal strength is 1600N/25mm～1700N/25mm.
The technical scheme that realizes another purpose of the present invention is: a kind of preparation method of high-strength high-impact glass fabric comprises drawing process, twisting process and weaving process; The temperature of said drawing process is 1250 ± 10 ℃, and drawing process also is included in filament surfaces and applies sizing agent; Said sizing agent by coupling agent, lubricant, epoxy film forming agent, polyester film forming agent, polyurethane film-forming agent and water according to 0.4: 0.4: 4.5: 1.8: 0.4: 92.5 weight ratio mixes, and the solids content in the sizing agent is 5.0%～7.0%.
The twist of said twisting process is 35 ± 3 sth. made by twisting/rice, twists with the fingers to twisting with the fingers for Z.
The good effect that the present invention has: (1) high-strength high-impact glass fabric of the present invention can combine with different resin system, comprises thermosetting resin and thermoplastic resin, and can layering when combining.(2) high-strength high-impact glass fabric of the present invention has higher intensity and favorable shock resistance; Go for high-strength high-impact fields such as the helmet, bumper, yacht, fishing boat and sports equipment, greatly reduce cost than carbon fiber.(3) the present invention passes through at the special sizing agent of glass fiber precursor surface-coated; Glass fibre is soaked into fast; Thereby improved the textile performance of glass fibre; Effectively avoid the loss of strength of glass fibre in fabrication processes, improved the binding ability of glass fibre and resin, and then improved the intensity of glass fabric.(4) institutional framework of glass fabric of the present invention is twill or satin weave; Can reduce the flexing degree and the intertwined point of fiber like this; Keep the straight of warp thread and weft yarn; Softness is abundant again, is convenient to when being impacted, can instantaneous impact stress be disperseed to all directions, improves anti-secondary pulse intensity.(5) the present invention is through carrying out preferably the temperature of drawing process and the single fiber diameter of precursor, thereby can further improve the intensity of glass fibre.
The specific embodiment
(embodiment 1)
The high-strength high-impact glass fabric of present embodiment is to be interweaved by warp thread and weft yarn to form.
The preparation method of the high-strength high-impact glass fabric of present embodiment is following:
Drawing process: e-glass marble (alkali metal oxide content≤0.8%) is melted down at 1250 ± 10 ℃, is that the platinum-rhodium alloy bushing of 2.0mm is drawn into precursor through 400 holes, aperture then.In pulling process, filament surfaces applies one deck sizing agent.This sizing agent by coupling agent, lubricant, epoxy film forming agent, polyester film forming agent, polyurethane film-forming agent and water according to 0.4: 0.4: 4.5: 1.8: 0.4: 92.5 weight ratio mixes; Solids content is 5.0%～7.0% in the sizing agent, and combustible content is 0.6%～1.0%.Said coupling agent adopts is that the trade mark that the Nanjing Xiang flies chemistry institute production is the silane coupler of KH-570; Said lubricant adopts is that the trade mark that Yixing gold ancient cooking vessel experimental assembly Co., Ltd produces is 3018 lubricant; What said epoxy film forming agent adopted is the APR resin that Yixing gold ancient cooking vessel experimental assembly Co., Ltd produces; What said polyester film forming agent adopted is that the trade mark that Yixing gold ancient cooking vessel experimental assembly Co., Ltd produces is the polyester film forming agent of SR-1, and said polyurethane film-forming agent is adopted is that the trade mark of Nanjing Glass Fibre Research and Design Institute production is the polyurethane film-forming agent of NBS-430.
Twisting process: precursor is twisted resultant yarn on twisting equipment, twist with the fingers to being the Z sth. made by twisting, the twist is 35 sth. made by twisting/rice.
Weaving process: will twist good yarn according to counting 96tex, single fiber diameter 11.0 μ m through yarn number, being placed on the creel through close 13.6/cm; Wear palm fibre then; Then count 96tex, single fiber diameter 11.0 μ m, 11.2/cm of filling density, the long 50m/ volume of volume looming weaving according to the latitude yarn number again; Drying and shaping 2h under 80 ± 5 ℃ temperature at last obtains the high-strength high-impact glass fabric of moisture content≤0.20%.
The warp-wise intensity of the glass fabric that present embodiment makes is 1600N/25mm～1800N/25mm, and latitudinal strength is 1500N/25mm～1600N/25mm.
(embodiment 2～embodiment 4)
Each embodiment and embodiment 1 are basic identical, and difference is seen table 1.
Table 1
| ? | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Project | EWR250 | EWR300 | EWR400 | EWR500 |
| Mass area ratio (g/m 2） | 250±20 | 300±24 | 400±32 | 500±40 |
| Warp-wise intensity | 1600N/25mm～1800N/25mm | 2000N/25mm～2200N/25mm | 2500N/25mm～2700N/25mm | 2800N/25mm～3000N/25mm |
| Latitudinal strength | 1500N/25mm～1600N/25mm | 1700N/25mm～1800N/25mm | 1450N/25mm～1550N/25mm | 1600N/25mm～1700N/25mm |
| Wire-drawing temperature | 1250±10℃ | 1250±10℃ | 1250±10℃ | 1250±10℃ |
| The bushing aperture | 2.0mm | 2.0mm | 1.8mm | 1.8mm |
| The twist | 35 sth. made by twisting/rice | 35 sth. made by twisting/rice | 35 sth. made by twisting/rice | 35 sth. made by twisting/rice |
| Sth. made by twisting to | Z twists with the fingers | Z twists with the fingers | Z twists with the fingers | Z twists with the fingers |
| Through the yarn number number | 96tex | 96tex | 132tex | 175tex |
| Latitude yarn number number | 96tex | 96tex | 132tex | 175tex |
| Single fiber diameter | 11.0μm | 11.0μm | 9.0μm | 9.0μm |
| Through close (root/cm) | 13.6 | 16.0 | 19.2 | 18.2 |
| Filling density (root/cm) | 11.2 | 12.0 | 10.4 | 10.4 |
| Volume is long | The 50m/ volume | The 50m/ volume | The 50m/ volume | The 50m/ volume |
| Moisture content | ≤0.20% | ≤0.20% | ≤0.20% | ≤0.20% |
| Combustible content | 0.6%～1.0% | 0.6%～1.0% | 0.6%～1.0% | 0.6%～1.0% |
| Institutional framework | 1/3 twill or 2/5 satin weave | 1/3 twill or 2/5 satin weave | 1/3 twill or 2/5 satin weave | 1/3 twill or 2/5 satin weave |
Claims (7)
1. high-strength high-impact glass fabric; It is to be interweaved by warp thread and weft yarn to form; Said warp thread and weft yarn all are glass fibres that surfaces coated is covered with sizing agent; It is characterized in that: said sizing agent by coupling agent, lubricant, epoxy film forming agent, polyester film forming agent, polyurethane film-forming agent and water according to 0.4: 0.4: 4.5: 1.8: 0.4: 92.5 weight ratio mixes, and the solids content in the sizing agent is 5.0%～7.0%; The moisture content of glass fabric≤0.20%, combustible content are 0.6%～1.0%; The warp-wise intensity of glass fabric is 1600N/25mm～3000N/25mm, and latitudinal strength is 1500N/25mm～1800N/25mm.
2. high-strength high-impact glass fabric according to claim 1 is characterized in that: the mass area ratio of said glass fabric is 250 ± 20g/m
2, warp-wise intensity is 1600N/25mm～1800N/25mm, latitudinal strength is 1500N/25mm～1600N/25mm.
3. high-strength high-impact glass fabric according to claim 1 is characterized in that: the mass area ratio of said glass fabric is 300 ± 24g/m
2, warp-wise intensity is 2000N/25mm～2200N/25mm, latitudinal strength is 1700N/25mm～1800N/25mm.
4. high-strength high-impact glass fabric according to claim 1 is characterized in that: the mass area ratio of said glass fabric is 400 ± 32g/m
2, warp-wise intensity is 2500N/25mm～2700N/25mm, latitudinal strength is 1450N/25mm～1550N/25mm.
5. high-strength high-impact glass fabric according to claim 1 is characterized in that: the mass area ratio of said glass fabric is 500 ± 40g/m
2, warp-wise intensity is 2800N/25mm～3000N/25mm, latitudinal strength is 1600N/25mm～1700N/25mm.
6. the preparation method of the described high-strength high-impact glass fabric of one of claim 1 to 5 comprises drawing process, twisting process and weaving process; It is characterized in that: the temperature of said drawing process is 1250 ± 10 ℃, and drawing process also is included in filament surfaces and applies sizing agent; Said sizing agent by coupling agent, lubricant, epoxy film forming agent, polyester film forming agent, polyurethane film-forming agent and water according to 0.4: 0.4: 4.5: 1.8: 0.4: 92.5 weight ratio mixes, and the solids content in the sizing agent is 5.0%～7.0%.
7. the preparation method of high-strength high-impact glass fabric according to claim 6 is characterized in that: the twist of said twisting process is 35 ± 3 sth. made by twisting/rice, twists with the fingers to twisting with the fingers for Z.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210135694.0A CN102634906B (en) | 2012-05-04 | 2012-05-04 | High-intensity high-impact-resistant glass fiber cloth and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201210135694.0A CN102634906B (en) | 2012-05-04 | 2012-05-04 | High-intensity high-impact-resistant glass fiber cloth and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN102634906A true CN102634906A (en) | 2012-08-15 |
| CN102634906B CN102634906B (en) | 2014-02-05 |
Family
ID=46619476
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201210135694.0A Active CN102634906B (en) | 2012-05-04 | 2012-05-04 | High-intensity high-impact-resistant glass fiber cloth and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN102634906B (en) |
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926100A (en) * | 2012-11-16 | 2013-02-13 | 江苏九鼎新材料股份有限公司 | Weaving technology of high-strength glass fiber reinforcing cloth |
| CN103388215A (en) * | 2013-07-31 | 2013-11-13 | 吴江市欧冠纺织有限公司 | Difficult-to-scratch lace fabric |
| CN104233587A (en) * | 2014-09-19 | 2014-12-24 | 南京春辉科技实业有限公司 | Enhanced optical fiber cloth liner for artificial transparent stone and preparation method of enhanced optical fiber cloth liner |
| CN104264326A (en) * | 2014-09-10 | 2015-01-07 | 江苏理工学院 | Method for preparing polyurethane glass fiber composite fiber cloth |
| CN106676698A (en) * | 2017-03-10 | 2017-05-17 | 海宁市德昌纺织有限责任公司 | Processing method of high-elasticity light and thin composite yarns |
| CN109284929A (en) * | 2018-09-27 | 2019-01-29 | 东北林业大学 | The determination method of surface fuel loading of forest district |
| CN109355776A (en) * | 2018-11-02 | 2019-02-19 | 山东谦津电子科技有限公司 | The overweight weaving process method for thickening electronic-grade glass fiber cloth |
| CN109881299A (en) * | 2019-03-01 | 2019-06-14 | 杭州鹏图化纤有限公司 | A kind of Wear-proof non-woven fabric and preparation method thereof |
| CN110482868A (en) * | 2019-07-11 | 2019-11-22 | 安徽金九鼎复合材料有限公司 | A kind of manufacture craft of abrasive glass fibers cloth |
| CN112046029A (en) * | 2020-07-31 | 2020-12-08 | 北京贝威通石油科技有限公司 | Preparation method of high-strength insulating adhesive tape |
| CN114735950A (en) * | 2022-02-25 | 2022-07-12 | 陕西汇友友基新材料有限公司 | Glass fiber impregnating compound special for mica cloth |
| CN115216973A (en) * | 2021-12-21 | 2022-10-21 | 广东硕成科技股份有限公司 | Difficult-to-bond twill shell fabric and preparation process and application thereof |
Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4049597A (en) * | 1974-10-09 | 1977-09-20 | Ppg Industries, Inc. | Glass fiber sizing composition |
| US4259190A (en) * | 1979-09-13 | 1981-03-31 | Ppg Industries, Inc. | Glass fibers with reduced tendency to form gumming deposits and sizing composition |
| JP2000335942A (en) * | 1999-05-31 | 2000-12-05 | Nitto Boseki Co Ltd | Glass fiber binder for reinforcing polyacetal resin and glass fiber bundle using the same |
| US20040244427A1 (en) * | 2003-06-05 | 2004-12-09 | Pfg Fiber Glass Corporation | Zero-twist glass yarn, its production method and glass fabric using zero-twist glass yarn as weft yarn |
| CN101391866A (en) * | 2008-10-06 | 2009-03-25 | 巨石集团有限公司 | High-strength alkali-free glass fibre direct roving sizing agent for optical cable strengthening core |
| CN101391867A (en) * | 2008-10-06 | 2009-03-25 | 巨石集团有限公司 | Sizing agent special for ultra-low adsorption resin concentration chopped roving |
| CN102092963A (en) * | 2009-12-10 | 2011-06-15 | 胥建中 | Reinforced impregnating agent for alkali-free glass fibers |
-
2012
- 2012-05-04 CN CN201210135694.0A patent/CN102634906B/en active Active
Patent Citations (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4049597A (en) * | 1974-10-09 | 1977-09-20 | Ppg Industries, Inc. | Glass fiber sizing composition |
| US4259190A (en) * | 1979-09-13 | 1981-03-31 | Ppg Industries, Inc. | Glass fibers with reduced tendency to form gumming deposits and sizing composition |
| JP2000335942A (en) * | 1999-05-31 | 2000-12-05 | Nitto Boseki Co Ltd | Glass fiber binder for reinforcing polyacetal resin and glass fiber bundle using the same |
| US20040244427A1 (en) * | 2003-06-05 | 2004-12-09 | Pfg Fiber Glass Corporation | Zero-twist glass yarn, its production method and glass fabric using zero-twist glass yarn as weft yarn |
| CN101391866A (en) * | 2008-10-06 | 2009-03-25 | 巨石集团有限公司 | High-strength alkali-free glass fibre direct roving sizing agent for optical cable strengthening core |
| CN101391867A (en) * | 2008-10-06 | 2009-03-25 | 巨石集团有限公司 | Sizing agent special for ultra-low adsorption resin concentration chopped roving |
| CN102092963A (en) * | 2009-12-10 | 2011-06-15 | 胥建中 | Reinforced impregnating agent for alkali-free glass fibers |
Non-Patent Citations (2)
| Title |
|---|
| 李伟: "无碱玻璃纤维增强纺织型浸润剂的研制与应用研究", 《中国优秀硕士学位论文全文数据库》 * |
| 杜钊、屈雅等: "不同浸润剂对玻纤原丝及其PA复合材料性能影响的研究", 《玻璃纤维》 * |
Cited By (17)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102926100A (en) * | 2012-11-16 | 2013-02-13 | 江苏九鼎新材料股份有限公司 | Weaving technology of high-strength glass fiber reinforcing cloth |
| CN103388215A (en) * | 2013-07-31 | 2013-11-13 | 吴江市欧冠纺织有限公司 | Difficult-to-scratch lace fabric |
| CN105369437B (en) * | 2014-09-10 | 2017-04-12 | 江苏理工学院 | Method for preparing polyurethane glass fiber composite fiber cloth |
| CN104264326A (en) * | 2014-09-10 | 2015-01-07 | 江苏理工学院 | Method for preparing polyurethane glass fiber composite fiber cloth |
| CN104264326B (en) * | 2014-09-10 | 2016-01-06 | 江苏理工学院 | The preparation method of polyurethane glass fiber composite cloth |
| CN105369437A (en) * | 2014-09-10 | 2016-03-02 | 江苏理工学院 | Method for preparing polyurethane glass fiber composite fiber cloth |
| CN105274706B (en) * | 2014-09-10 | 2017-01-04 | 江苏理工学院 | A kind of preparation method of polyurethane glass fiber composite fiber cloth |
| CN104233587B (en) * | 2014-09-19 | 2016-01-20 | 南京春辉科技实业有限公司 | A kind of artificial transparent stone enhanced fiber shield and preparation method thereof |
| CN104233587A (en) * | 2014-09-19 | 2014-12-24 | 南京春辉科技实业有限公司 | Enhanced optical fiber cloth liner for artificial transparent stone and preparation method of enhanced optical fiber cloth liner |
| CN106676698A (en) * | 2017-03-10 | 2017-05-17 | 海宁市德昌纺织有限责任公司 | Processing method of high-elasticity light and thin composite yarns |
| CN109284929A (en) * | 2018-09-27 | 2019-01-29 | 东北林业大学 | The determination method of surface fuel loading of forest district |
| CN109355776A (en) * | 2018-11-02 | 2019-02-19 | 山东谦津电子科技有限公司 | The overweight weaving process method for thickening electronic-grade glass fiber cloth |
| CN109881299A (en) * | 2019-03-01 | 2019-06-14 | 杭州鹏图化纤有限公司 | A kind of Wear-proof non-woven fabric and preparation method thereof |
| CN110482868A (en) * | 2019-07-11 | 2019-11-22 | 安徽金九鼎复合材料有限公司 | A kind of manufacture craft of abrasive glass fibers cloth |
| CN112046029A (en) * | 2020-07-31 | 2020-12-08 | 北京贝威通石油科技有限公司 | Preparation method of high-strength insulating adhesive tape |
| CN115216973A (en) * | 2021-12-21 | 2022-10-21 | 广东硕成科技股份有限公司 | Difficult-to-bond twill shell fabric and preparation process and application thereof |
| CN114735950A (en) * | 2022-02-25 | 2022-07-12 | 陕西汇友友基新材料有限公司 | Glass fiber impregnating compound special for mica cloth |
Also Published As
| Publication number | Publication date |
|---|---|
| CN102634906B (en) | 2014-02-05 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102634906B (en) | High-intensity high-impact-resistant glass fiber cloth and preparation method thereof | |
| CN102477602B (en) | Electric conduction yarn for manufacturing camouflage net and manufacturing method thereof | |
| CN105803637A (en) | Curved shallow-crossing linking structure carbon fiber/copper fiber carbon-based friction material and preparation method thereof | |
| CN204296145U (en) | A kind of glass fabric | |
| CN107780020A (en) | A kind of double-deck crape bar fabric and its production technology | |
| CN102561048B (en) | Production process for weaving wide-angle cloth | |
| CN103264539A (en) | Anti-static flame retarding fabric | |
| CN102049160B (en) | Basalt fibre base cloth for high-temperature embroidered filter felt | |
| CN201756622U (en) | Interwoven mesh fabric | |
| CN103184622A (en) | Cored aramid fiber-polyethylene fiber fabric | |
| CN103465487A (en) | Manufacturing method of weighing machine conveying belt | |
| CN203212720U (en) | Yarn of stab-resistant fabric | |
| CN203700704U (en) | Circular sandwich woven rope | |
| CN201942830U (en) | Wide-angle fabric | |
| CN201074285Y (en) | Glass-fiber woven fabrics | |
| CN201908183U (en) | Braided wide-angle fabric | |
| CN109049873A (en) | A kind of reinforced glass fiber grid cloth | |
| CN103806166A (en) | Warp and weft forwards and backwards entwisted white body obliquely-interwoven impregnated fabric | |
| CN203700703U (en) | Square woven rope | |
| CN212051789U (en) | Internal alkali mesh fabric | |
| CN202607507U (en) | Enhanced mesh for glass fiber non-woven wheel | |
| CN203287583U (en) | Alkali-free flame-retardant glass fiber tape | |
| CN203700839U (en) | Triangular sandwich braided rope | |
| CN203270170U (en) | Basalt fiber tape | |
| CN108656653A (en) | A kind of composite glass fiber cloth |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee |
Owner name: CHANGZHOU TIANMA GROUP CO., LTD. (BUILDING TWO FIV Free format text: FORMER NAME: TIANMO GROUP CO., LTD., CHANGZHOU |
|
| CP03 | Change of name, title or address |
Address after: 213127 No. 309 Huang Hai Road, Xinbei District, Jiangsu, Changzhou Patentee after: Changzhou Tianma Group Co., Ltd. (former building material 253 factory) Address before: 213127 No. 501 ERON North Road, Xinbei District, Jiangsu, Changzhou Patentee before: Tianmo Group Co., Ltd., Changzhou |