Patents for B29C 44 - Shaping by internal pressure generated in the material, e.g. swelling, foaming (19,824)
08/1978
08/22/1978CA1036774A1 Method for making a substantially planar structure constituted by jointed building elements
08/15/1978US4107258 Alumina trihydrate, ethylene oxide propyltrimethoxy silane adduct
08/15/1978US4107248 Method for the continuous manufacture of foamed hollow profiles
08/15/1978US4107247 Method of co-extrusion with foam core
08/15/1978US4106884 Production of articles of foamed plastics material
08/15/1978CA1036308A1 Packing material that can be shaped under the effect of heat
08/08/1978US4105738 Flexible plastic foam
08/01/1978US4104440 Method for making packaging particles and resulting product
08/01/1978US4104353 Method of injection moulding of articles of several materials
08/01/1978US4104346 Process for molding a substantially isotropic isocyanate-based polymer foam bun
08/01/1978US4104207 Foaming, vegetable material
07/1978
07/25/1978US4102721 Barrier tape construction
07/25/1978US4102720 Supporting plate with protrusions, porous foamed sheet, fusion-fixing, draft
07/25/1978US4102621 Apparatus for producing polyurethane foam buns of varying heights
07/25/1978US4102619 Apparatus for producing foam slabs of rectangular cross-section
07/11/1978US4100318 Actinic radiation cured coating for cushioned sheet goods and method
07/11/1978US4099897 Apparatus for producing foamed plastic insulated wires
07/11/1978US4099280 Hull, mold therefor, and process for producing same
06/1978
06/27/1978US4097928 Apparatus for feeding synthetic material to a mould
06/27/1978US4097210 System in an industrial polyexpansion process
06/20/1978US4096303 Polyurethanes
06/20/1978US4096220 Process for the production of slabs or blocks of plastic foam
06/20/1978US4096219 Process for production of foamed shaped pieces with poreless surface made by the molding process
06/20/1978US4096218 Method of producing foamed thermoplastic resin articles having smooth and glossy surfaces free from swirl marks and hair cracks
06/20/1978US4096016 Process for making and using high frequency weldable material
06/13/1978US4094715 Method and apparatus for applying foam insulation to pipe
06/13/1978US4094622 Foam deposition apparatus
06/06/1978US4093411 Apparatus for applying foamed material in-place to surfaces
06/06/1978US4093173 Mold for manufacture of bodies for transporting units
06/06/1978US4093121 Nozzle
06/06/1978US4093109 Expansible trough apparatus for use in producing polyurethane foam
05/1978
05/30/1978US4092387 Process for the production of articles of cellular plastic provided with a covering of another material
05/30/1978US4092385 Method of producing molded parts with a smooth noncellular skin and a cellular core from foamable thermoplastic material
05/30/1978US4092200 Metal lath sandwiched between embossed polyethylene foam, cold pressing
05/23/1978US4091142 Structural panel and method of making same
05/23/1978US4090837 Machine for molding materials with a long solidification time, such as structural foams
05/23/1978US4090833 Apparatus for forming large reinforced foamed plastic panels
05/16/1978US4089731 Apparatus for multilevel embossing of sheet materials
05/09/1978US4088805 Laminate of low density foam, film and net-like structure
05/09/1978US4088723 Cells are filled with low density foam
05/09/1978US4088722 Method for molding a block of polyurethane foam having a flat upper surface
05/02/1978US4087501 Method for the continuous production of tubular foamed plastic pipe sleeves insulating
05/02/1978US4087310 Device for interconnecting plates to be covered by foamed material
05/02/1978US4087222 Continuous extrusion of thermoplastic materials
04/1978
04/25/1978CA1029908A1 Installation for the continuous manufacture of synthetic material panels
04/11/1978US4084030 Elastomeric coating; flexible
04/11/1978US4083671 Device for the production of molded articles from foamable plastics
04/11/1978US4083665 Apparatus for manufacturing a foamed article formed or pre-expanded polystyrene
04/11/1978US4083325 Apparatus for continuously coating a large structure with a uniform foam layer
04/11/1978US4083324 Apparatus for coating a structure with a uniform foam layer
04/04/1978US4082876 Polyvinyl chloride, synthetic rubber, foaming agent, vulcanization accelerator
04/04/1978US4082824 Method of producing continuous planar expanded polyurethane blocks
04/04/1978US4082488 Apparatus for the extrusion of temperature sensitive thermoplastics
03/1978
03/28/1978US4081225 Steam aperture device
03/21/1978US4080145 Apparatus for processing foamed plastic
03/21/1978US4080125 Device for the stepless manufacture of expanded cellular material blocks with a circular cross-section
03/14/1978US4079170 Impregnation, hardening under pressure
03/14/1978US4079106 Method for continuously fabricating three-dimensional filament reinforced foam insulation
03/14/1978US4078959 Curved laminate panels
03/14/1978US4078875 Injection molding
03/14/1978US4078293 Method of making rigid swimming pool cover
03/07/1978US4078100 Composite foam laminate and method
03/07/1978US4077821 Open-cell foam, thermosetting resin
03/07/1978US4077664 Seat with cushioned grab bar
02/1978
02/28/1978US4076782 Supplying method for preliminarily expanded polystyrene beads in a thin and uniform layer
02/28/1978US4076781 Method of making foam pipe insulation including controlling rate of product draw-off according to foam temperature
02/21/1978US4075304 Batch process
02/21/1978US4075268 Method of making dual wall pipe with foam insulation between pipe walls
02/21/1978US4075265 Process for making instant shaped foams
02/21/1978US4075092 High surface area permeable material
02/21/1978US4074960 Manufacture of polymeric foam
02/14/1978US4073997 Roof insulating foam
02/14/1978US4073844 Preparation of crosslinked polyolefin foams and the mold
02/14/1978US4073843 Process of partially expanding thermoplastic particles using a mixture of steam and a hot dry gas
02/14/1978US4073841 Process for uniformly filling cavities with a foam insulating material
02/14/1978US4073840 Method for forming a fiber reinforced foam article
02/14/1978US4073839 Method of zone pouring foam products
02/07/1978US4072788 Insulating elements for walls and ceilings
02/07/1978US4072458 Mould carrier
01/1978
01/31/1978US4071591 Method of manufacturing foamed thermoplastic resin profiles
01/17/1978US4069285 Method and apparatus for making flat top buns
01/17/1978US4068819 Port protective ring in a male mold
01/10/1978US4067759 Curable plastic foam
01/10/1978US4067673 Apparatus for injection foam molding
01/10/1978US4067672 Apparatus for producing a body of porous thermoplastic material
12/1977
12/27/1977US4065531 Steaming
12/27/1977US4065530 Method for molding products from polymeric material
12/27/1977US4065337 Molding process
12/20/1977US4063828 Plastic pencils
12/20/1977US4063429 Pipeline retard, support and protection method
12/13/1977US4062525 Foam mixing head
12/06/1977US4061822 Acrylic copolymer
12/06/1977US4061520 Method of making composite high strength to weight structure
11/1977
11/29/1977US4060579 Method for the continuous forming of foam blocks
11/29/1977US4060578 Method of foam-filling a tire carcass
11/29/1977US4060577 Method for producing seamless foam plastic cups from expandable sidewall blanks
11/29/1977US4060354 Apparatus for pre-expanding and molding expandable thermoplastic polymer particles
11/15/1977US4058284 Insert receiving and securing device
11/15/1977US4058234 System for sealing and repairing leaks in ruptured containers
11/01/1977US4056646 Flocked foamed latex sheet