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[미국특허] Method for making a pipe coupling 원문보기

IPC분류정보
국가/구분 United States(US) Patent 등록
국제특허분류(IPC7판)
  • B21D-039/00
  • B23P-019/04
출원번호 US-0681423 (1976-04-29)
발명자 / 주소
  • Black Bobby E. (Chatsworth CA)
출원인 / 주소
  • PSI Products, Inc. (Burbank CA 02)
인용정보 피인용 횟수 : 128  인용 특허 : 0

초록 ▼

The present invention is a method for making an electrically insulative coupling which is inserted between and coupled to two lengths of metallic pipe. The method comprises the steps of machining one end of two short sections of metallic pipe to provide a circumferential groove, inserting O rings on

대표청구항 ▼

A method for making an insulative pipe coupling comprising the steps of: forming an o-ring circumferential groove adjacent the end of two pipe stubs; inserting an o-ring onto each of said grooves; inserting said pipe stub ends with said o-ring into a center insulating sleeve; injection moulding an o

이 특허를 인용한 특허 (128) 인용/피인용 타임라인 분석

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  5. Brisco,David Paul, Apparatus and method for radially expanding and plastically deforming a tubular member.
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  6. Cook, Robert Lance; Brisco, David Paul; Ring, Lev; Bullock, Michael, Apparatus for actuating an annular piston.
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  7. Cook,Robert Lance; Brisco,David Paul; Ring,Lev; Bullock,Michael, Apparatus for coupling a tubular member to a preexisting structure.
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  8. Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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  9. Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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  10. Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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  11. Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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  12. Cook,Robert Lance; Brisco,David Paul; Stewart,R. Bruce; Ring,Lev; Haut,Richard Carl; Mack,Robert Donald; Duell,Alan B., Apparatus for expanding a tubular member.
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  51. Cook, Robert Lance; Bullock, Michael, Isolation of subterranean zones.
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  52. Cook, Robert Lance; Ring, Lev; Waddell, Kevin; Brisco, David Paul, Isolation of subterranean zones.
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  53. Cook, Robert Lance; Waddell, Kevin; Ring, Lev; Brisco, David Paul, Isolation of subterranean zones.
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  54. Cook,Robert Lance; Waddell,Kevin Karl; Ring,Lev; Brisco,David Paul; Rao,Vikram, Isolation of subterranean zones.
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