[특허]Method of forming socket wrenches

[미국특허] Method of forming socket wrenches 원문보기

IPC분류정보
국가/구분	United States(US) Patent 등록
국제특허분류(IPC7판)	B21D-022/00
출원번호	US-0070060 (1979-08-27)
발명자 / 주소	Stifano Jr. Vincent A. (Wethersfield CT)
출원인 / 주소	Veeder Industries Inc. (Hartford CT 02)
인용정보	피인용 횟수 : 32 인용 특허 : 3

초록 ▼

The disclosed method features an automatic high production cold working process of forming socket wrenches from coiled alloy steel wire stock. The wire is cut to length, its ends are squared to form a workpiece blank which is then located in a die station and a recess of circular cross-section is cold formed at one end of the workpiece by impacting a round punch into the workpiece which thereafter is transferred to and inserted into a downstream die in a longitudinally reversed orientation whereupon a second punch forms a square socket on an end of the workpiece opposite the end wherein the circular recess is formed. Additional steps of the process include extruding an end of the workpiece surrounding the circular recess to reduce its outside diameter, broaching a hex socket into the necked-down end of the workpiece and piercing an axial through-hole between sockets at opposite ends of the workpiece.

대표청구항 ▼

A method of cold forming socket wrenches comprising the steps of providing a generally cylindrical solid metal workpiece, aligning the workpiece with an internal cavity of a die, driving the workpiece into the die cavity with a power operated punch and simultaneously forming a first recess in one end of the workpiece in aligned relation with its longitudinal axis by cold flowing its metal material between the punch and die, transferring the workpiece from the first die and longitudinally reversing the workpiece end to end into alignment with an internal cavity of a second die, driving the workpiece into the cavity of the second die with a second power operated punch and simultaneously forming a second recess in the opposite end of the workpiece in coaxial alignment with its first recess by cold flow of the workpiece metal material about the second punch and the second die, and reducing the outside diameter of one end of the workpiece by driving it into a tapered die cavity and extruding the metal material of the workpiece between a third punch, received within the recess in said one end of the workpiece, and internal walls of the tapered die which are located in spaced surrounding relation to the third punch received within the recess in said one end of the workpiece.

이 특허에 인용된 특허 (3) 인용/피인용 타임라인 분석

Hubbell Henry (Southington CT), Method and apparatus for making an eccentric locking collar.
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Kuc John (213 Avondale Road Wallingford PA 19086) Kuc Anthony (601 Providence Road Wallingford PA 19086), Method of forming socket wrenches.
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Koch ; Friedrich-Karl ; Sieber ; Christoph ; Schmidt ; Horst, Process of manufacturing shaped bodies by cold shaping.
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이 특허를 인용한 특허 (32) 인용/피인용 타임라인 분석

Ratte, Robert W.; Peterson, Norman E., Battery part.
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Ratte, Robert W.; Peterson, Norman E., Battery part.
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Ratte, Robert W.; Peterson, Norman E.; Cain, Tracy L., Battery parts and associated systems and methods.
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Ratte, Robert W.; Peterson, Norman E.; Cain, Tracy L., Battery parts and associated systems and methods.
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Cain, Tracy L.; Garin, Michael, Battery parts having retaining and sealing features and associated methods of manufacture and use.
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Cain, Tracy L.; Garin, Michael, Battery parts having retaining and sealing features and associated methods of manufacture and use.
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Garin, Michael A.; Gifford, Kurt T., Battery parts having retaining and sealing features and associated methods of manufacture and use.
상세보기
Garin, Michael A.; Gifford, Kurt T., Battery parts having retaining and sealing features and associated methods of manufacture and use.
상세보기
Garin, Michael A.; Gifford, Kurt T., Battery parts having retaining and sealing features and associated methods of manufacture and use.
상세보기
Garin, Michael A.; Gifford, Kurt T., Battery parts having retaining and sealing features and associated methods of manufacture and use.
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Walker Billy R. (Daleville IN) Emmons George B. (Chesterfield IN) Dean Robert E. (Yorktown IN), Cold forming dies and cold forming process.
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Franco, James S.; Litzenberger, Thomas K., Cold-headed standoff.
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Petit,Christophe; Herrick,Timothy T., Drive bit holder and method of manufacturing.
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Hyatt Jackie L., Drive socket.
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Nippert Russell A. (Delaware OH), Method and apparatus for forming an electrical connector.
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Kohama Takayuki (Yokohama JPX) Kojima Hideo (Yokohama JPX), Method and apparatus for manufacturing hollow cylindrical guide roller for magnetic recording tape.
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Jackie L. Hyatt, Method for making drive sockets.
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Masuda Naosuke (Saitama JPX) Sunaga Sohsuke (Saitama JPX), Method for producing worm shaft for use in power steering apparatus.
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Shih, Jui-Chu, Method for shaping a hexagonal tool.
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Bononi Fred A. (Simsbury CT) Weis ; deceased Armand J. (late of North Granby CT by Delma G. Weis ; legal representative), Method of forming socket wrenches from tubing.
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Bailey Robert J. (Enfield GB2), Method of forming spark plug bodies.
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Bandou Masaaki (Sakado JPX) Sugita Masao (Higashimatsuyama JPX) Marumo Takachi (Maebashi JPX), Method of manufacturing a valve sleeve.
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Vescovini,Alessandro, Methods for the cold extrusion of metallic elements with dead or through holes and plant for carrying out said methods.
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Ratte, Robert W., Multiple casting apparatus and method.
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Ratte, Robert W., Multiple casting apparatus and method.
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Ling, David; Tuan-Mu, Hsien-Chung, Process for making ratchet wheels.
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Kazuhiko Tanaka JP; Hirofumi Nishiwaki JP, Sparkplug manufacturing method.
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Cain, Tracy L., Systems and methods for manufacturing battery parts.
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Cain, Tracy L., Systems and methods for manufacturing battery parts.
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Chalmer C. Jordan, Tool for removing damaged fasteners and method for making such tool.
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Jordan, Chalmer C., Tool for removing damaged fasteners and method for making such tool.
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Chang, Shih-Chieh; Chang, Ting-Chi, Top cap of bicycle handlebar stem tube and method for manufacturing same.
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IPC	Description
A	생활필수품
A62	인명구조; 소방(사다리 E06C)
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] Method of forming socket wrenches 원문보기