[특허]High strength fiber glass reinforced thermoplastic sheets and method of manufacturing same involving a reverse barb need

[미국특허] High strength fiber glass reinforced thermoplastic sheets and method of manufacturing same involving a reverse barb need 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B32B-005/06 B32B-017/04 D04H-003/10 D04H-003/12
출원번호	US-0064158 (1979-08-06)
발명자 / 주소	Picone Charles E. (Shelby NC)
출원인 / 주소	PPG Industries, Inc. (Pittsburgh PA 02)
인용정보	피인용 횟수 : 33 인용 특허 : 0

초록 ▼

A fiber glass reinforced thermoplastic laminant of high flexural strength and a method of preparing the laminant is described in which special needling of the fiber glass mat used as the reinforcement is undertaken to minimize damage to the strands making up the mat during needling while insuring that the strands are moved during needling of the mat to provide strands in the mat that are transverse through the long axis of the mat after needling. The mat upon completion of the needling is then laminated with a thermoplastic resin to produce a sheet product having improved tensile characteristics.

대표청구항 ▼

A fiber glass continuous strand mat suitable for reinforcing a resin matrix comprising a mat of continuous glass strands having at least two overlying layers of continuous glass strands and having continuous glass strands and/or filaments oriented in a direction transverse to the mat length, said continuous glass strands and/or filaments so oriented being entangled in the continuous glass strands forming the major portion of the mat and wherein one surface of the mat contains little or no glass filaments at that surface which are not in continuous form. A fiber glass reinforced thermoplastic resin sheet having as primary reinforcement a fiber glass continuous strand mat in which a significant portion of the fiber glass continuous strand mat has fiber glass strands and filaments oriented in a direction transverse to the mat length and wherein the said fiber glass strands and filaments so disposed are entangled in the fiber glass continuous strands forming the major portion of the mat and wheren one surface of the mat contains little or no fiber glass fibers at the surface which are not in continuous strand form. aCM,5. In the needling of a fiber glass continuous strand mat wherein a plurality of needles are passed through a mat surface as mat is advanced through a needling zone to thereby entangle glass strands in the continuous strand mat the improvement comprising: penetrating the mat on the downward stroke of the needling machine with a needle that does not entangle any strands during said downward stroke but which penetrates the mat; entangling strands of the mat in the needle during the upward stroke of the needling machine to move strands in the mat in contact with each needle vertically to orient such entangled strands in a direction vertical to the long axis of the mat and disengaging the strands so moved from the needle as it leaves the surface of the mat while providing for little or no fracturing of the strands so moved.

이 특허를 인용한 특허 (33) 인용/피인용 타임라인 분석

Pum Hannes (Wels ATX), Apparatus for needling a web supported by a grate of blades transverse to needing direction.
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Baumann John A. (Lower Burrell PA), Bonded needled fiber glass thermoplastic reinforced mats.
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Droux, Michel; Berkhoff, Marc; Lucas, Leonardus; Daniel, Eric, Complex comprising a drylaid veil of glass fibres, and a nonwoven fabric of organic fibres.
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Droux,Michel; Berkhoff,Marc; Lucas,Leonardus; Daniel,Eric, Complex comprising a drylaid veil of glass fibres, and a nonwoven fabric of organic fibres.
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Febel Gary K., Cushioning conversion machine with stitching wheels having hook projections.
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Meng, Jian; Thimons, Thomas V., Double sided needled fiber glass mat for high flow thermoplastic composite.
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Neubauer Jeffrey A. (Boiling Springs NC) Sarni Vincent A. (Pittsburgh PA), Environmental control of needled mat production.
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Raghavendran, Venkat Krishna; Ebeling, Thomas Arnold, Fiber reinforced thermoplastic sheets with surface coverings.
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Mulder Roger E.,NLX ; Peterson Charles W.,NLX ; Dittmar Harri,DEX, Glass fiber mats, laminates reinforced with the same and methods for making the same.
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Mulder, Roger E.; Peterson, Charles W.; Dittmar, Harri, Glass fiber mats, laminates reinforced with the same and methods for making the same.
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Beer Kenneth D. ; Cross Christopher G. ; Thimons Thomas V. ; Unites Thomas P., Glass fiber mats, thermosetting composites reinforced with the same and methods for making the same.
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Meng Jian ; Thimons Thomas V. ; Unites Thomas P., Glass fiber strand mats, thermoplastic composites reinforced with the same and methods for making the same.
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Dana David E. ; Martine Edward A. ; Morris Steven J. ; Unites Thomas P., Glass fiber strand mats, thermosetting composites reinforced with the same and methods for making the same.
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Martine Edward A. ; Meng Jian ; Thimons Thomas V. ; Unites Thomas P., Glass monofilament and strand mats, thermoplastic composites reinforced with the same and methods for making the same.
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Beer Kenneth D. ; Meng Jian ; Unites Thomas P., Glass monofilament and strand mats, vacuum-molded thermoset composites reinforced with the same and methods for making.
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Wahl Ludwig (Schifferstadt DEX) Vogel Helmut (Bramsche DEX), Glass-mat-reinforced thermoplastic panels.
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Wahl Ludwig,DEX ; Vogel Helmut,DEX, Glass-mat-reinforced thermoplastic panels.
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Dergarabedian Anthony (Westfield MA) Daigneault Robert L. (Belchertown MA), Insole composites and processes for manufacturing insole composites and footwear materials.
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Hiers John J. (Elkin NC), Integral textile composite fabric.
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Sato Yoshimi,JPX, Lining for interior and method of producing same.
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Neubauer Jeffrey A. (Lewisville TX) Reese Walter J. (North Huntington PA) Spencer Dennis O. (Shelby NC), Method and apparatus for making glass fiber oriented continuous strand mat.
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Bolliand Robert (Ecully FRX), Method and apparatus for needling of glass mat and composite product made from said mat.
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Moscato, Jean-Pierre; Risquez, José; Hertzog, Denis; Kuczynski, Jerzy, Method for making a printing blanket comprising a back layer made of a polymer material and resulting blanket.
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Foley William Howard ; Newhouse Thomas J., Method for making formed fabric treatments.
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Davies, Laurence W.; Fritz, Peter J.; Beer, Kenneth D., Method of making a reinforcing mat for a pultruded part.
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Rocher,Gilles; Roederer,Francois; Lionetti,Livio; Metra,Claire, Needled glass mat.
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Novich Bruce E. ; Robertson Walter J., Orthopedic splinting article.
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Schaefer William L. (Butler PA), Programmably controlled fiber glass strand feeders and improved methods for making glass fiber mats.
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Light Ronald R. (Kingsport TN) Seymour Robert W. (Kingsport TN), Reinforced polymeric sheet material.
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Reese, Walter J., Shippable package of glass fiber strands and process for making the package and continuous strand mat.
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Rapson W. Howard (Toronto CAX) Fredette Maurice C. J. (Mississauga CAX), Small scale generation of chlorine dioxide for water treatment.
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Gotomyo, Yasuo; Nakagawa, Yukihiro, Surface treated glass-wool mat and the method for making the same.
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Neubauer Jeffrey A. (Lewisville TX) Reese Walter J. (North Huntington PA) Spencer Dennis O. (Shelby NC), Thermoplastic sheet.
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A	생활필수품
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A62B	인명구조용의 기구, 장치 또는 방법(특히 의료용에 사용되는 밸브 A61M 39/00; 특히 물에서 쓰이는 인명구조 장치 또는 방법 B63C 9/00; 잠수장비 B63C 11/00; 특히 항공기에 쓰는 것, 예. 낙하산, 투출좌석 B64D; 특히 광산에서 쓰이는 구조장치 E21F 11/00)
A62B-1/08	.. 윈치 또는 풀리에 제동기구가 있는 것

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[미국특허] High strength fiber glass reinforced thermoplastic sheets and method of manufacturing same involving a reverse barb need 원문보기