Patents
Patents for B29C 39 - Shaping by casting, i.e. introducing the moulding material into a mould or between confining surfaces without significant moulding pressure; Apparatus therefor (14,852)
11/1976
11/23/1976US3993025 Machine for the continuous reverse-coating of sheet-form material with polyurethane foam
11/16/1976US3992502 Method for using mold release
11/09/1976US3991147 Process for molding foamed plastics from reaction mixtures involving closed mold filling with the avoidance of gas bubble entrainment
11/02/1976US3989220 Shaker molding assembly
11/02/1976US3989145 Core transfer apparatus
10/1976
10/26/1976US3988403 Process for producing molded structural foam article having a surface that reproducibly and faithfully replicates the surface of the mold
10/05/1976US3984195 Continuous production of planar expanded polyurethane blocks
09/1976
09/21/1976US3981671 Liquid reaction molding press
09/14/1976US3980747 Production of synthetic resin spinnerette
09/14/1976US3980399 Aspheric optical elements
09/07/1976US3979030 Apparatus for dispensing pourable substances uniformly onto belts having highly sensitive surfaces
08/1976
08/31/1976US3978265 Gasket material
08/31/1976US3978181 Process for making a foam plastic resin encased roller
08/31/1976US3978178 Process for producing abrasion-resistant cast article
08/31/1976US3978164 Contact lenses
08/31/1976US3978152 Heat-resistant resins derived from a bis-imide, an epoxy resin and a polyamine
08/31/1976US3977931 Method and machine for the continuous manufacture of panels
08/24/1976US3976739 Process for molding a pneumatic tire having a wide bearing surface
08/10/1976US3974252 Process of forming moldable polymers
08/10/1976US3973961 Process and apparatus for the manufacture of a series of photoconductor webs
07/1976
07/27/1976US3971112 Method of making a covered article
07/13/1976US3969475 Powder molding process for producing thermoplastic articles
07/06/1976US3968305 Mar-resistant synthetic resin shaped article
06/1976
06/29/1976US3967028 Sealed foam web
06/29/1976US3966871 Casting elastic plastics, hardening, removal
06/29/1976US3966693 Methyl methacrylate
06/29/1976US3966166 Sculpture mold
06/22/1976US3965228 Continuous production of polymeric foam
06/01/1976US3961010 Method of manufacturing heat exchangers
06/01/1976US3960785 Composition and method for inhibiting curing shrinkage in organic plastic systems
05/1976
05/25/1976US3959049 Process for production of artificial leathers having air permeability
05/25/1976US3958997 Method of shaker molding and composition therefor
05/18/1976US3957408 Automated molding machine
05/11/1976US3956448 Polyurethanes
05/04/1976US3954924 Method for simultaneously casting sheets on blocks of cellular polymeric material
04/1976
04/20/1976US3951376 Mold with tensioned cable adjusting means
04/13/1976US3950576 Method of locally impregnating sealing materials with a fluid-tight impregnant
04/13/1976US3950197 Polymer, foaming
04/06/1976US3949125 Molded solid plastics articles and a method for their manufacture
03/1976
03/30/1976US3947842 Electro-optic matrix-type display panel incorporating optoelectronic addressing switches
03/23/1976US3946135 Release coating composition and release papers prepared therefrom
03/02/1976US3941855 Shaped polyurethane articles and a method for making them
03/02/1976US3941543 Flexible continuous mold system
02/1976
02/24/1976US3940528 Rigid plastics tile with textured surface
02/17/1976US3939235 Process for continuous production of thin polyurethane foam layers
02/17/1976US3938924 Thermoplastic melt apparatus
01/1976
01/27/1976US3935292 Cast polymerization process with improved mold release
01/27/1976US3935291 Method of molding polyurethane articles in a mold coated with three mold release agents
01/20/1976US3933549 Laminated floor manufacturing method
01/13/1976US3932252 Stripping, coating
01/06/1976US3931098 Method for producing webs, panels or sandwich elements of foam plastics reinforced with rovings
01/06/1976US3930919 Preparation of a thermosetting resin article