Seal and method of forming
AssigneeSaint-Gobain Performance Plastics Corporation
InventorsZong ZONG, Nafih MEKHILEF
Life of this patent
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Abstract
A seal can include a body including a thermoplastic material and a filler material including a fluoropolymer. The fluoropolymer can include a modified fluoropolymer. The body can include an elongation-at-break of at least 3%. In an embodiment, the seal can include a seal ring, wherein the body of the seal ring can include a weld.
Claims20
A seal, comprising a body including a weld and an elongation-at-break of at least 3%, wherein the body comprises a matrix material including a thermoplastic material and a filler material including a modified fluoropolymer, wherein the thermoplastic material comprises polyarylketone, polyimide, aliphatic and aromatic polyamide, polyester, polyetherimide, polyamideimide, liquid crystal polymer, polybenzimidazole, ultra high molecular weight polyethylene, polysulfones, polytetrafluoroethylene perfluoroether, polychloro-trifluoroethylene, polyethylenetetrafluoroethylene, polyvinlyledene fluoride, polyvinylfluoride, polyvinyledene fluoride-hexafluoropropylene, polyketone, polyetherketone, polyetheretherketone, polyetherketoneketone, polyetheretherketoneketone, polyetherketoneetherketoneketone, or any combination thereof.
A seal, comprising a ring-shaped body including a weld, wherein the body comprises a matrix material comprising a thermoplastic material and a filler material including a chemically modified fluoropolymer.
A seal, comprising a ring-shaped body comprising a matrix material comprising a thermoplastic material and a filler material comprising particles including a modified fluoropolymer, wherein the particles are dispersed in the matrix material and comprise an average major dimension of at most 10 µm.
Dependencies are inferred from the claim text.