F - Mech Eng,Light,Heat,Weapons – 16 – J
Patent
F - Mech Eng,Light,Heat,Weapons
16
J
F16J 15/02 (2006.01) B29C 53/56 (2006.01) F16J 15/10 (2006.01)
Patent
CA 2562286
A low stress to seal, unitary gasket is provided that is particularly suited for applications requiring large gaskets. Gaskets of the present invention preferably comprise at least two windings of expanded PTFE tape wound at an increasing distance around a gasket inner periphery, wherein a substantially air impermeable layer is interposed between the tape windings. Preferably, the plane of the expansion of the ePTFE is substantially parallel to the flange surface, providing longitudinal and transverse strength. The substantially air impermeable layer prevents fluid from permeating through the gasket in the radial direction.
L'invention concerne un joint statique unitaire à faible contrainte par rapport au joint convenant particulièrement aux applications nécessitant un joint statique de grande dimension. Les joints statiques de cette invention comprennent de préférence au moins deux enroulements de bande en polytétrafluoréthylène (PTFE) expansé enroulés à une distance croissante autour de la périphérie interne du joint, une couche sensiblement imperméable à l'air étant interposée contre les enroulements de bande. De préférence, le plan d'expansion du PTFE est sensiblement parallèle à la surface de rebord, offrant une force longitudinale et transversale. La couche sensiblement imperméable à l'air empêche les fluides de pénétrer à travers le joint dans le sens radial.
Gore Enterprise Holdings Inc.
Gowling Lafleur Henderson Llp
LandOfFree
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