Patents for B29C 44 - Shaping by internal pressure generated in the material, e.g. swelling, foaming (19,824)
02/1980
02/26/1980CA1072285A1 Unitary plastic hinged article and method of making
02/20/1980EP0007975A1 Device for permanently shuttering surfaces, especially of walls or the inside surfaces of roofs of buildings, with panels
02/19/1980US4189456 Method for forming containers with foamed corners
02/19/1980CA1071818A1 Liquid reaction molding press and method
02/12/1980US4188457 Closures for liquid product containers
02/12/1980US4188356 Method and an apparatus for the production of a foam-forming reaction mixture or homogeneous material-forming reaction mixture and for the subsequent introduction thereof into a cavity
02/12/1980CA1071366A1 Method of making chair seat or the like
02/06/1980EP0007723A1 Foam extrusion apparatus
02/06/1980EP0007722A1 Extrusion apparatus
02/06/1980EP0007360A1 Flat top foam material method and apparatus with width control
02/05/1980US4187066 Apparatus for the preparation of display blocks of urea formaldehyde foam
02/05/1980CA1071081A1 Apparatus and process for manufacturing insulation board
01/1980
01/29/1980US4186162 Method of making a platen core
01/29/1980CA1070602A1 Liner construction
01/29/1980CA1070464A1 Fiber foam and process
01/23/1980EP0007147A1 Liquid dispenser and process for dispensing liquid reaction mixtures onto web or sheet material
01/22/1980US4185070 Alumina trihydrate
01/22/1980US4185060 Utilizing a vented barrel from which plastic is extruded or molded
01/15/1980US4183984 Oil sorbent material made by opening cells of a closed cell foam
01/15/1980CA1069662A1 Process for production of cellular thermoplastic bodies
01/09/1980EP0006381A1 Device for moulding foamed plastic articles
01/09/1980EP0006270A1 Method and apparatus for the manufacture of objects from thermoplastic structural foam
01/08/1980US4182734 Method for producing foamed plastic insulated wires
01/08/1980US4182641 Method of forming lamina and block laminates
01/08/1980US4182582 Porous tubes and hollow profile structures and method of making same
01/01/1980US4181647 Cable conductor wire insulation
01/01/1980US4181287 Molding apparatus for rigid foam pipe insulation
12/1979
12/25/1979US4180536 Process for extruding plasticized open cell foamed cellulose acetate filters
12/25/1979US4180427 Foamed thermoplastic material laminated with a sheet-like covering material
12/18/1979US4179094 Portable, expandable mold for fabricating substantially isotropic isocyanate based polymer foam buns
12/12/1979EP0005843A1 Method of manufacturing double skin, polyurethane foam core building panels
12/11/1979US4178411 Fibre expanded reinforced materials and their process of manufacture
12/11/1979US4178161 Impregnation of nested sheets with a thermosetting melamine, urea, or benzoguanamine resin
12/11/1979US4178144 Molding conveyor drive
12/11/1979CA1067662A1 Continuous extrusion of thermoplastic materials
12/04/1979US4177028 Adjustable apparatus for producing a foam material
12/04/1979CA1067265A1 Process for producing shaped synthetic resin articles varying in shape of longitudinal section
11/1979
11/27/1979US4175998 Foam welding apparatus
11/13/1979US4173814 Pad member method of manufacture
11/06/1979US4173608 Electromagnetic energy
11/06/1979CA1065567A1 Control of foam cell size by measuring reflected light
11/06/1979CA1065566A1 Arrangement for tensioning and guiding the belts of a cellular plastic forming machine
10/1979
10/30/1979USRE30130 Liquid reaction molding press
10/30/1979US4172870 Method for permitting release of molded articles in the absence of a release agent other than a coating of zero grain soft water on the mold
10/30/1979US4172869 Fraying fibers to improve penetration of resins
10/23/1979US4171563 Method of manufacturing an antenna reflector
10/23/1979CA1064781A1 Method of heat lamination and laminate product
10/17/1979EP0004640A2 Process for producing elastomeric mouldings
10/09/1979CA1063763A1 Shaped articles made from branched chain poly(butylene terephthalates)
10/04/1979WO1979000734A1 Method and apparatus for scattering polyurethane foamable mixture
10/02/1979US4169679 Apparatus for the extrusion of cellular thermoplastic material
10/02/1979US4169304 Method of making a building column
10/02/1979CA1063308A1 Process for reinforcing plastic material and products therefrom
09/1979
09/19/1979EP0004189A2 Sandwich elements, in particular for use as wall, door or ceiling panels in buildings or furniture, a mould for the production of such elements and a method of manufacturing the elements
09/18/1979CA1062430A1 Prefabricated building panel and process for the manufacture thereof
09/18/1979CA1062419A1 Polymer films
09/18/1979CA1062414A1 Process for forming microporous sheet
09/11/1979US4167431 Method of heat lamination and laminated product
09/11/1979CA1061969A1 Incorporation of a gaseous blowing agent into a liquid resin
08/1979
08/28/1979US4165955 Apparatus for making flat top buns
08/22/1979EP0003628A1 Flexible body of foamed plastic material and method of making the same
08/21/1979US4165211 Apparatus for applying a layer of a liquid foamable reaction mixture to a continuously moving support
08/21/1979CA1060746A1 Medical sponges
08/14/1979US4164526 Natural sandwich of filled polyurethane foam
08/14/1979US4164523 Method of injection-molding and cooling of shaped synthetic-resin bodies
08/07/1979US4163824 Fiber foam and process
08/07/1979CA1059713A1 Production of panels of various flexibility_
08/07/1979CA1059712A1 Apparatus for the continuous production of foam plastic blocks of rectangular cross-section
07/1979
07/31/1979CA1059487A1 Minimum weight and high strength framed structure
07/26/1979WO1979000483A1 Method of and means for producing a body of a foamed solid
07/24/1979US4162341 Honeycomb insulation structure
07/24/1979US4162093 Heat-insulated pipe-lines
07/17/1979CA1058365A1 Process for the manufacture of composite foam and fabric articles
07/17/1979CA1058364A1 Manufacturing upholstered foamed articles
07/11/1979EP0002656A1 Method of manufacturing motor car accessory equipment from plastics and products thereby obtained
07/10/1979US4160685 Adhesive, three-dimensional
07/10/1979US4160638 Apparatus for forming sheets of foamed synthetic plastics material
07/03/1979US4160074 Polyisocyanate foam having isotropic cells and method and apparatus for preparing same
06/1979
06/27/1979EP0002566A1 Process for injection moulding thermoplastic articles with reduced combustibility, and articles produced thereby
06/27/1979EP0002489A1 Process and apparatus for forming thermoplastic foams having an enlarged cross-sectional area by extruding a heat plastified gel into a shaping channel
06/26/1979US4159355 Foam bonding
06/26/1979US4159294 Preheating, compressing to impregnate fibers, expansion with a blowing agent
06/26/1979CA1057055A1 Rod for supporting plants and process for its manufacture
06/19/1979US4158538 Apparatus for the continuous production of continuous plastics foam webs
06/19/1979US4158535 Generation of polyurethane foam
06/13/1979EP0002311A2 Making undercut mouldings
06/12/1979US4158032 Prefoaming in centrifuge increases viscosity and improves handling
06/12/1979US4157640 Prefabricated building panel
06/05/1979US4157413 Unitary plastic hinged article and method of making
06/05/1979US4157272 Method of making an applique article
05/1979
05/22/1979US4156041 Deposition of polyurethane foam-forming liquid reaction mixture
05/22/1979US4155969 Single extruder, foaming agent added by nitrogen pump, can be shut off
05/22/1979US4155965 Continuous submerged foaming of thermoplastic resin
05/22/1979CA1054764A1 Extruding polystyrene foam with variation of mass distribution
05/16/1979EP0001772A1 Method and apparatus for the continuous production of foamed slabs
05/15/1979US4154786 Method for producing a mattress having embedded springs, the implements used and the mattress obtained
05/15/1979US4154784 Fluid molten mixture of a heat softenable resin and a blowing agent
05/15/1979US4154563 Apparatus for making structural profiles
05/15/1979US4154562 Adjustable width molding apparatus for a flat-top bun
05/15/1979CA1054750A1 Embossable foam latex compositions