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US 11,674,598 B2Granted
Seal and method of forming
AssigneeSaint-Gobain Performance Plastics Corporation
InventorsZong Zong, Nafih Mekhilef
Life of this patent
Estimating the term…
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.
Claims18
A seal ring, comprising a body including a weld, wherein an entire body is formed of a material comprising a thermoplastic material and a filler material, wherein:
- the thermoplastic material comprises one or more of polyarylketone, polyimide, aliphatic and aromatic polyamide (PA or PPA), polyester, polyetherimide (PEI), polyamideimide (PAI) liquid crystal polymer (LCP), polybenzimidazole (PBI), ultra high molecular weight polyethylene (UHMWPE), polysulfones (PPS, PES, PPSU, or PESU), polytetrafluoroethylene perfluoroether (PFA), polychloro-trifluoroethylene (PCTFE), polyethylenetetrafluoroethylene (ETFE), polyvinlyledene fluoride (PVDF), Polyvinylfluoride (PVF), polyvinyledene fluoride-hexafluoropropylene (VF2-HFP), polyketone (PK), polyetherketone (PEK), polyetheretherketone (PEEK), polyetherketoneketone (PEKK), polyetheretherketoneketone (PEEKK), and polyetherketoneetherketoneketone (PEKEKK);
- and
- the filler material comprises particles including a fluoropolymer, wherein the particles comprise a major dimension, wherein an average size of the major dimension is at most 3 μm.
Dependencies are inferred from the claim text.