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| Patents for B29C 57 - Shaping of tube ends, e.g. flanging, belling, closing; Apparatus therefor (3,110) |
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| 04/06/1976 | US3948716 Unsatd polyester, copolymerizable monomer, gelling agent | | 03/30/1976 | US3947305 Building a lamination of fiberglass reinforced polyester resin on a rotating mandrel | | 03/30/1976 | US3946644 Apparatus for spreading open cross-bottoms on tubular members | | 03/23/1976 | US3945867 Plastic hose making method | | 03/09/1976 | US3942935 Method of and an assembly for forming the bell end of a bell and spigot joint | | 03/09/1976 | US3942931 Method and apparatus for producing sealing washers | | 02/24/1976 | US3940227 Expansible mandrel | | 01/13/1976 | US3932108 Apparatus for making probe covers for electronic thermometers | | 01/13/1976 | US3932094 Multiple station plastic pipe belling machine | | 01/06/1976 | US3931098 Method for producing webs, panels or sandwich elements of foam plastics reinforced with rovings |
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