Patents for B29C 71 - After-treatment of articles without altering their shape; Apparatus therefor (6,473)
12/1978
12/05/1978US4128379 Apparatus for processing extruded thermoplastic polymer
12/05/1978US4128318 Acrylate polymer hydrogel
11/1978
11/28/1978US4127688 Sealed cross-linked thermoplastic sheets
11/28/1978US4127631 Thermoforming process for polyalkylene terephthalate polyester resins
11/28/1978CA1043064A1 Process for producing biaxially oriented films and shrinkable biaxially oriented films obtained thereby
11/07/1978US4124677 Method of manufacturing polyvinyl alcohol films oriented in two orthogonal directions
10/1978
10/17/1978US4121086 Method for irradiation of round-section cylindrical objects with accelerated electrons
10/17/1978US4120349 Heat transfer roll
10/17/1978CA1040374A1 Heat-sealable, heat-shrinkable, biaxially oriented polyester film and method of making such film
10/10/1978CA1039914A1 Monoaxially oriented, post-heat treated polyester film and the process for making same
09/1978
09/26/1978US4116784 Method for cross-linking polyethylene with an ionizing radiation
09/26/1978US4116737 Method of creating an embossing effect
09/19/1978US4115495 Processing extruded thermoplastic polymer
09/12/1978CA1038121A1 Process and apparatus for the edge knurling of a thermoplastic web
09/05/1978US4112187 Flexible
09/05/1978CA1037675A1 Process for heat treating plastic bottles
08/1978
08/29/1978US4110280 Method for preparing extruded fasteners
08/29/1978US4110185 Irradiation sterilization of semi-crystalline polymers
08/29/1978US4110062 Processing extruded vinyl siding
08/22/1978US4108938 Method for shaping a plastic membrane
08/22/1978US4108933 Method of manufacturing steam-cured porous concrete products
08/08/1978US4104769 Apparatus for stretching film
08/01/1978US4104404 Cross-linked amide/olefin polymeric tubular film coextruded laminates
07/1978
07/25/1978US4102974 Polyolefin containers having improved gas barrier properties
07/25/1978US4102761 Radiation cure of synthetic rubbers
07/18/1978US4101699 Ethylene-propylene-diene terpolymer polyethylene
06/1978
06/27/1978US4097657 Structurally modifying the acrylic ester hydrogel with aliphatic dithiols or amines, inhibiting bacteria and protein penetration
06/13/1978US4094757 Polythiol accelerated radiation crosslinking of olefinically unsaturated allylically halogenated polymers
05/1978
05/30/1978CA1032069A1 Composite films
05/16/1978US4090008 Thermoplastic resin
04/1978
04/04/1978US4082854 Ethylene-vinyl alcohol copolymer
04/04/1978US4082831 Method of making a multi-level flower supporting net assembly
01/1978
01/10/1978US4067942 Butadiene-styrene copolymer
01/03/1978US4066430 Method of tempering in a fluidized quenching medium
01/03/1978US4066387 Method of improving the sorption capacity of polymers
12/1977
12/06/1977US4061707 Process and apparatus for heat setting biaxially oriented tubular polyethylene terephthalate films
11/1977
11/22/1977US4059667 Biaxially oriented polyethylene terephthalate film and method of making such film
11/22/1977US4059382 Apparatus for processing top ends of rod-like resin articles
11/01/1977US4056421 Method of fabricating crosslinked thermoplastics articles
10/1977
10/18/1977US4054402 Apparatus for producing tubular sheath-like coverings for electrodes
08/1977
08/23/1977US4044187 Crosslinked
08/16/1977US4042652 Method for the production of silicone elastomer-containing articles
08/16/1977US4042569 Heat-setting process for polyester film
08/02/1977US4039641 Plastics container manufacture
07/1977
07/26/1977US4038121 Production of thermoplastic films
07/19/1977US4036588 Method of increasing the water absorption of cellulose-containing materials
07/12/1977US4035462 Molded thermoplastic article and method of making same
06/1977
06/07/1977US4028206 Depositing first reflective layer
05/1977
05/24/1977US4025594 Thermoplastic
05/17/1977US4024038 Activation, treatment
04/1977
04/26/1977US4020141 Method of making heat-sealable, heat-shrinkable, biaxially oriented polyester film
03/1977
03/22/1977US4013747 Polyepoxides, curing, dyes
03/08/1977US4011039 Parison transfer device
02/1977
02/08/1977US4007245 Strengthening of fiber glass reinforced epoxy resin composites by vacuum heat treatment
01/1977
01/25/1977US4004747 Winding apparatus
01/11/1977US4002907 Arrangement for treating sheet-material webs by corona discharge
12/1976
12/21/1976US3998916 Isotactic polypropylene
12/14/1976US3997383 Cross-linked amide/olefin polymeric laminates
11/1976
11/30/1976US3994656 Apparatus for forming tubular pipe covering sections
09/1976
09/28/1976US3983278 Method of making a thermoplastic pile sheet
09/21/1976US3981952 Fibrous materials
08/1976
08/17/1976US3975618 Method and apparatus for heating synthetic plastic components
07/1976
07/27/1976US3971711 Process for increasing radiation-curability of a radiation-curable resin
07/27/1976US3971173 Process for heat treating plastic bottles
06/1976
06/29/1976US3966686 P-benzamide, p-phenylene terephthaloyl hydrazide recurring units
06/15/1976US3963848 Flexible coated sheet material
05/1976
05/25/1976US3959053 Surface treatment of tires to reduce flash
05/11/1976US3956443 Air jets, internal surfaces
02/1976
02/24/1976US3940325 Radiation-sterilized shaped articles of olefin polymers
02/03/1976US3936524 Process for preparing polyisobutylene oxide moldings of excellent workability
01/1976
01/27/1976US3934833 Hysteresis clutch for film winding
01/20/1976US3933547 Method for fixing a pattern described on the surface of thermoplastic resin articles
01/06/1976US3931446 Polyvinylidene fluoride
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