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2551631
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Information
Patent Grant
2551631
References
Source
Patent Number
2,551,631
Date Filed
Not available
Date Issued
Tuesday, May 8, 1951
73 years ago
CPC
B29C66/83413 - cooperating rollers, cylinders or drums
B29C43/22 - of articles of indefinite length
B29C65/04 - Dielectric heating, e.g. high-frequency welding
B29C66/4322 - by joining a single sheet to itself
B29C66/45 - Joining of substantially the whole surface of the articles
B29C66/49 - Internally supporting the
B29C66/52272 - concentrically
B29C66/5326 - said single elements being substantially flat
B29C66/73921 - characterised by the materials of both parts being thermoplastics
B29C66/8161 - said pressing elements being supported or backed-up by springs or by resilient material
B29C66/83411 - Roller, cylinder or drum types
B29D23/18 - Pleated or corrugated hoses
B32B27/00 - Layered products comprising a layer of synthetic resin
B29C66/53261 - Enclosing tubular articles between substantially flat elements
B29C66/71 - characterised by the composition of the plastics material of the parts to be joined
B29C66/843 - Machines for making separate joints at the same time in different planes; Machines for making separate joints at the same time mounted in parallel or in series
B29C66/8432 - Machines for making separate joints at the same time mounted in parallel or in series
B29K2021/00 - Use of unspecified rubbers as moulding material
US Classifications
156 - Adhesive bonding and miscellaneous chemical manufacture
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