Patents
Sitemap › B29 - Working of plastics; Working of substances in a plastic state in general › B29C - Shaping or joining of plastics; Shaping of substances in a plastic state, in general; After- treatment of the shaped products, e.g. repairing › B29C 61 - Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor
Patents for B29C 61 - Shaping by liberation of internal stresses; Making preforms having internal stresses; Apparatus therefor (5,240)
09/1980
09/02/1980CA1084786A1 Method and apparatus for manufacturing an even laminated product by extrusion
08/1980
08/26/1980US4219321 Device for making discs
08/26/1980US4219051 Heat recoverable article
08/19/1980CA1083764A1 Apparatus for dispensing cap lining material
08/14/1980EP0006883A4 Method and apparatus adapted for automatic or semi-automatic fabrication of ultra-precision ophthalmic lenses, e.g., contact lenses.
08/07/1980WO1980001598A1 Radial lip seal and method of making it
08/05/1980CA1083025A1 Fiber reinforced multi-ply stampable thermoplastic sheet
07/1980
07/08/1980US4211384 Molding assembly for casting soft contact lenses
07/08/1980CA1080925A1 Helical rib reinforced laminate
07/01/1980CA1080666A1 Heat-shrinkable label sleeve with pleats to prevent wrinkling
07/01/1980CA1080643A1 Plastic cup and method of manufacture
07/01/1980CA1080419A1 Reticulated web structures
06/1980
06/24/1980US4209289 Contact lens mold
06/24/1980CA1079918A1 Die for producing receptacles from a thermoplastic resin foam sheet
06/17/1980US4208365 Flexible rim
06/17/1980CA1079468A1 Production of composite articles
06/12/1980WO1980001223A1 Enclosures for electrical apparatus
06/10/1980US4206786 Heat recoverable article with fusible member
06/10/1980US4206544 Apparatus for removing coupling element residuals
06/10/1980CA1079328A1 Heat recoverable coupling
05/1980
05/28/1980EP0011481A1 Rupturable containers for fluids such as photographic processing fluids and photographic film units including such containers of processing fluids
05/27/1980CA1078247A1 Heat shrinkable laminate
05/20/1980CA1077820A1 Wrap around heat shrinkable article
05/20/1980CA1077667A1 Heat shrinkable multi-layer film and method of producing same
05/13/1980US4203000 Cable sleeve assembly
05/13/1980CA1077217A1 Method of manufacturing an object in plastics material, apparatus for carrying out the method and object obtained thereby
04/1980
04/29/1980US4200676 Crosslinked hot melt adhesive, tackifier resin
04/29/1980CA1076477A1 Fabrication of soft contact lens and composition therefor
04/29/1980CA1076328A1 Slide fastener with molded top stops and method of manufacture
04/22/1980US4199629 Forming molecularly oriented containers from reheated preforms
04/15/1980US4197948 Nestable foam cup
04/15/1980US4197880 Sealing and insulating article and method
04/15/1980CA1075420A1 Method of manufacturing cups
04/15/1980CA1075419A1 Apparatus for the production of contact lenses and processs for the utilization thereof
04/02/1980EP0009300A1 Process for preparing a fibril-reinforced polyolefin film and olefin polymer film so prepared
04/01/1980CA1074518A1 Method and device for making an optical fiber shielding
03/1980
03/25/1980US4195106 Heat recoverable article
03/19/1980EP0008912A1 Heat shrinkable covers
03/18/1980US4194082 Heat recoverable closure with substrate protective means
03/18/1980US4194039 Multi-layer polyolefin shrink film
03/18/1980US4193899 Elastomeric systems having unusual memory characteristics
03/04/1980US4191405 Marker manifold
03/04/1980CA1072713A1 Apparatus for shaping floor coverings for the interiors of vehicles
02/1980
02/26/1980US4190621 Method for molding optical plastic lenses of the standard and bifocal type
02/26/1980US4190485 Method of welding a thermoshrinkable sheet and a device for use in the method
02/19/1980US4188979 Protective cover for a thermoresponsive tube
02/19/1980US4188832 Endless power transmission belt
02/19/1980CA1072044A1 Method of fabricating crosslinked thermoplastics articles
02/12/1980US4188219 Rupturable fluid container and elements containing same
02/06/1980EP0007608A1 Thermoplastic masterbatch for the manufacture of plastic films with antiblocking properties
02/05/1980US4187360 Heat-shrinkable or heat-expandable products from hydrogenated polybutadiene
02/05/1980CA1071311A1 Dimensionally heat-unstable plastic sheet for electric cables
02/05/1980CA1070919A1 Production of pile surfaced materials
01/1980
01/29/1980CA1070486A1 Coupling element for slide fastener
01/23/1980EP0006883A1 Method and apparatus adapted for automatic or semi-automatic fabrication of ultra-precision ophthalmic lenses, e.g., contact lenses.
01/22/1980US4184904 Method for producing sheet material
01/22/1980US4184835 Mold apparatus
01/22/1980CA1070261A1 Process for producing a stamper for videodisc purposes
01/22/1980CA1070066A1 Apparatus for and method of forming optical lenses
01/15/1980CA1069811A1 Process for laminating pressure-sensitive material
01/09/1980EP0006106A1 Profiled strip made of rubber or plastics
01/08/1980CA1069590A1 Method and apparatus for folding and fusing the elements of a slide fastener string
01/01/1980CA1069192A Heat recoverable self-heating sealing article and method of sealing a splice therefrom
12/1979
12/18/1979US4179319 Layer of adhesive between a pair of polymeric wafers
12/11/1979US4178067 Splicing optic waveguides by shrinkable means
12/11/1979US4177687 V-belt
12/04/1979US4177446 Heating elements comprising conductive polymers capable of dimensional change
12/04/1979CA1067267A1 Method of making a reinforced weld
11/1979
11/29/1979WO1979001018A1 Thermoplastic welding sleeve
11/27/1979CA1067165A1 Heat-recoverable wrapping with dimples
11/20/1979CA1066469A1 Covering method and assembly
11/13/1979CA1066411A1 Video disc and method of making the same
11/06/1979CA1065753A1 Packing containers and a method for their manufacture
11/06/1979CA1065664A1 Machine for the manufacture of packing containers
10/1979
10/23/1979CA1064663A1 Method for manufacturing of packaging-container blanks
10/16/1979CA1064210A1 Process and apparatus for heat setting biaxially oriented tubular polyethylene terephthalate films
10/09/1979US4170674 Composite board structure using a corrugated fiberboard and a method of and an apparatus for producing the composite board structure
10/09/1979US4170296 Self-heating articles and process
10/02/1979CA1063745A1 Plastics sheet material and articles produced therefrom
09/1979
09/25/1979US4169122 Embossing, heat shrinkage, undulation
09/25/1979CA1062864A1 Melt-embossed polymer film
09/19/1979EP0004071A2 Method and apparatus for the continuous formation of biaxially oriented thermoplastic materials and forming articles therefrom by intermittent forming means interfaced therewith
09/18/1979CA1062429A1 Heat-setting process for polyester film
09/18/1979CA1062417A1 Process for the production of unsupported pile surfaced articles
09/11/1979CA1062059A1 Device for acting on a web-shaped material
08/1979
08/28/1979CA1061092A1 Method of manufacturing slide fasteners
08/28/1979CA1061072A1 Process for preparing an embossed sheet of polyvinyl chloride series
08/28/1979CA1061067A1 Oriented nylon and laminates thereof
08/22/1979EP0003695A1 Mold assembly for molding a flexible contact lens
08/21/1979US4165158 Cast contact lenses and method for making same
08/14/1979CA1060165A1 Net-like product of blended incompatible polymers
08/07/1979US4163768 Method of manufacturing molded top stop
07/1979
07/31/1979US4163117 Heat-recoverable articles and their use
07/24/1979CA1059073A1 Container carrier and method for making same
07/24/1979CA1058845A1 Apparatus and method of manufacture of trains of slide fastening elements
07/24/1979CA1058816A1 Die-pressing device for the manufacture of records
07/17/1979US4161562 Ionomer, olefin homo- or copolymer; ethylene copolymers of differing melting points; vinylidene chloride copolymer
07/17/1979US4161060 Process for the production of a mould for moulding a spectacle frame front
07/11/1979EP0002656A1 Method of manufacturing motor car accessory equipment from plastics and products thereby obtained
07/10/1979US4160852 Production of sterile packages
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