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EP0376638A2 Expired / Lapsed EP ⏱️ 0.0 years remaining

A degassing tube for solvents

Assignee: Japan Gore Tex Inc
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Filing: 1989-12-21
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Granted: —
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Expires: 2009-12-21
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Abstract

Abstract A degassing tube for solvents comprising a porous Polytetrafluoroethylene tube (1) having a fluorosilicone lining (2) formed by coating the interior surface of the tube (1) or by inserting a fluorosilicone tube (2a) into the PTFE tube. Alternatively a porous PTFE tube may be impregnated by fluorosilicone to form the degassing tube.

Inventors

  • 👤 Yoshihiro C/O Japan Gore-Tex Inc. Chikamori
  • 👤 Yoshihiko C/O Japan Gore-Tex Inc. Shibata
  • 👤 Yoichi C/O Japan Gore-Tex Inc. Shimizu

Bibliographic Details

Application Number —
Jurisdiction EP
Data Source google_patents
Last Synchronized 2026-11-08 15:38
CPC Classifications
B; B01; B01D; B01D19/00; B01D19/0031; B29; B29D; B29D23/00; B29D23/001

Claims Analysis

Total Claims: 7
Claim 1
Independent Claim 18 words
A degassing tube for solvents comprising a porous polytetrafluoroethylene tube (1) having an interior lining (2;2a) of fluorosilicone.
Claim 2
Dependent Claim 18 words
A degassing tube for solvents comprising a porous polytetrafluoroethylene tube (1) having an interior lining (2;2a) of fluorosilicone.
Claim 3
Dependent Claim 29 words
A degassing tube according to claim 1, wherein the fluorosilicone lining is formed by a coating (2) of the fluorosilicone on the inner surface of the polytetra­fluoroethylene tube (1).
Claim 4
Dependent Claim 24 words
A degassing tube according to claim 1, wherein the fluorosilicone lining is formed by a fluorosilicone tube (2a) fitted inside the polytetrafluoroethylene tube (1).
Claim 5
Dependent Claim 27 words
A degassing tube according to any one of claims 1 to 3, in which the thickness of the fluorosilicone lining is from 0.05 mm to 0.5 mm.
Claim 6
Dependent Claim 14 words
A degassing tube for solvents comprising a porous polytetrafluoroethylene tube (1) impregnated with fluorosilicone.
Claim 7
Dependent Claim 14 words
A degassing tube for solvents comprising a porous polytetrafluoroethylene tube (1) impregnated with fluorosilicone.

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