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특허 상세정보

Device for forming tube sockets

국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판) B29C-017/00   
미국특허분류(USC) 425/392 ; 264/296 ; 425/403 ; 425/457
출원번호 US-0519255 (1974-10-30)
우선권정보 OE-0009847 (1973-11-23)
발명자 / 주소
출원인 / 주소
인용정보 피인용 횟수 : 15  인용 특허 : 0

A device for forming a tube of plastic material with a socket having an annular corrugation has a tube supporting core and a plurality of radially movable segments provided adjacently with contacting wedge surfaces, the segments in outwardly shifted position defining a circumferentially beaded portion for forming the annular corrugation on the supported tube.


A device for forming sockets with annular corrugations or recesses on tubes of plastic material comprising a core having a longitudinal axis and a peripheral surface over which a tube to be formed is fitted, a plurality of segments circumferentially arranged around the core at said surface and including a first set wherein the segments end oppositely in outwardly converging wedge surfaces and a second set wherein the segments end oppositely in outwardly diverging wedge surfaces, the segments of said first and second sets being alternately arranged with a...

이 특허를 인용한 특허 피인용횟수: 15

  1. Satzler Ronald L. (Princeville IL). Curing mold for curing replaceable tread and track belts. USP1980064207052.
  2. Johansson Arne (Olsremma S-510 95 Dalstorp SW). Forming apparatus for synthetic-material tubes. USP1977124063862.
  3. Ivey H. Grady (Jacksonville FL) Sprouse D. Leonard (Mandarin FL). Joining concrete form panels to cast an inside corner wall structure. USP1984054447035.
  4. Gordon John H. (855 Brandywine Rd. Downingtown PA 19335) Roberts Ronald L. (Downingtown PA) Frybarger ; Jr. Winfield S. (West Chester PA). Mandrel with identical expanding segments. USP1980124238180.
  5. Gordon John H. (855 Brandywine Rd. Downingtown PA 19335). Method and apparatus for pressure forming pipe bells. USP1981074277231.
  6. Herder Kornelis (Hardenberg NLX) Olderaan Wilhelmus F. T. C. (Hardenberg NLX). Method and device for forming an internal annular groove in a plastic tube part. USP1983074395379.
  7. Adams, Thomas R.; Wittman, Gary R.. Method and mold for making non-metallic fiber reinforced parts. USP2010047704067.
  8. Murai ; Sadao ; Goto ; Nobuo ; Tanioka ; Katsuhiko ; Matsunaga ; Masaaki ; Isayama ; Riyoiti. Method for forming an annular groove in a thermoplastic pipe. USP1978084107249.
  9. Gordon John H. (855 Brandywine Rd. Downingtown PA 19335). Method for pressure forming pipe bells. USP1982104353860.
  10. Kozachevsky Gennady G. (ul. Yakubovskogo ; 18 ; k. 2 ; kv. 271 Minsk SUX) Boikov Vladimir P. (ul. Ya. Kolasa ; 139 ; kv. 172 Minsk SUX) Guskov Valery V. (ulitsa Kulman ; 13 ; kv. 19 Minsk SUX) Moloda. Mold for making annular polymeric articles. USP1991014984976.
  11. Gordon John H. (855 Brandywine Rd. Downingtown PA 19335). Pipe belling with external fluid pressure. USP1981054266926.
  12. Sorberg Bengt,SEX. Pipe-end expanding method and a tool therefor. USP1998045744085.
  13. Everhart, Joel James; Margraf, Thomas Wood; Havens, David E.. Reconfigurable shape memory polymer support tooling. USP2015028945455.
  14. Von Holdt John W. (6864 Lexington La. Niles IL 60648). Simplified collapsible mold core. USP1985084533312.
  15. Strickland James K. (Jacksonville FL) Ivey H. Grady (Jacksonville FL). Slide action inside corner form. USP1986024570896.