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)
06/1980
06/17/1980US4208362 Shaped body of at least two polymerized materials and method to make same
06/10/1980US4207278 Method for preparing a composite foamed resin article having a metallic layer
06/10/1980US4206980 Metl blending thermoplastic polymer with compound in which polymer will dissolve or disperse at polymer melting point but from which polymer will separate on cooling
06/10/1980CA1079450A1 Soft ethylenic polymer foams
06/10/1980CA1079021A1 Casting apparatus and method
06/03/1980US4206170 Method of molding a torus shaped article
06/03/1980US4205975 Methods of making a sunlight admitting heat impeding panel
05/1980
05/28/1980EP0011421A1 Plastics foam production
05/20/1980US4203839 Adding calcium salt
05/20/1980US4203792 Method for the fabrication of devices including polymeric materials
05/13/1980US4202848 Method of making bifocal contact lenses
05/13/1980CA1077224A1 Process of casting polymeric films
05/13/1980CA1077215A1 Apparatus for the production of foam materials containing a filler material
05/06/1980CA1076792A1 Apparatus for treating a surface
04/1980
04/30/1980EP0010353A1 Foamed plastics materials, method for preparing same and their use
04/29/1980US4200603 Heating bottom film prior to foaming avoids formation of bottom crusts
04/29/1980CA1076477A1 Fabrication of soft contact lens and composition therefor
04/22/1980CA1075864A1 Apparatus for producing a body of porous thermoplastic material
04/15/1980US4198364 Printing matrix or mold component formed from an aminoplast resin-polyvinyl alcohol reaction product
04/15/1980US4198362 Method and apparatus for molding and replicating minute surface characteristics
04/15/1980CA1075419A1 Apparatus for the production of contact lenses and processs for the utilization thereof
04/02/1980EP0009119A1 Apparatus for producing a reaction mixture of liquid components so as to obtain a homogeneous material or a foam
04/02/1980EP0009118A1 Method and apparatus for producing objects of a chemical substance containing a filler
04/01/1980CA1074518A1 Method and device for making an optical fiber shielding
04/01/1980CA1074517A1 Manufacture of polymeric foam
03/1980
03/25/1980CA1074087A1 Apparatus for producing insulating panels
03/18/1980US4193956 Process for curing thermosetting resins and elastomers
03/18/1980CA1073873A1 Method of introducing reaction mixtures for single-component foams into pressure containers
03/04/1980US4191805 Method of forming a layer of material from a solution
03/04/1980US4191724 Molded character belt with integral sleeves
03/04/1980US4191717 Casting process for plastic lenses
02/1980
02/26/1980US4190697 Multidensity foam article and method of preparation
02/26/1980US4190621 Method for molding optical plastic lenses of the standard and bifocal type
02/26/1980US4190411 Centrifugal potting apparatus
02/21/1980WO1980000281A1 Process for manufacturing an insulator of electrically insulating material
02/20/1980EP0008034A1 Process for the preparation of organopolysiloxane moulding compositions which yield rubbery elastic finely porous mouldings or foamed coatings and mouldings produced therefrom
02/20/1980EP0008012A1 Method for the production of hollow articles
02/19/1980US4189459 Method of making a shelf support post
02/19/1980CA1072044A1 Method of fabricating crosslinked thermoplastics articles
02/19/1980CA1071818A1 Liquid reaction molding press and method
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
02/12/1980US4188353 Method of making aspheric lenses
02/06/1980EP0007360A1 Flat top foam material method and apparatus with width control
02/05/1980CA1071086A1 Laminates of polyethylene foam with an anisotropic pore structure
01/1980
01/29/1980CA1070464A1 Fiber foam and process
01/23/1980EP0006883A1 Method and apparatus adapted for automatic or semi-automatic fabrication of ultra-precision ophthalmic lenses, e.g., contact lenses.
01/22/1980US4184835 Mold apparatus
01/22/1980CA1070071A1 Process for depositing a bead of elastomeric or thermosetting material on a support
01/22/1980CA1070066A1 Apparatus for and method of forming optical lenses
01/09/1980EP0006519A1 Process and apparatus for preparing a foamable mixture from at least two flowable foam forming reactive components and charges
01/09/1980EP0006381A1 Device for moulding foamed plastic articles
01/09/1980EP0006188A1 Process of making a torus-shaped hollow body from mouldable and hardenable material
01/08/1980US4182737 Molding of a shock resistant transparent polymer sphere
12/1979
12/25/1979US4180631 Ure modifier polymer
12/18/1979US4179484 Method of making toric lenses
12/18/1979US4179093 Moulding apparatus
12/11/1979CA1067673A1 System for producing directionally solidified castings
12/04/1979US4177233 Method for forming side-wall strip in a tube
12/04/1979US4177028 Adjustable apparatus for producing a foam material
12/04/1979CA1067268A1 Method of casting plastic screen and metal reinforced plastic screen
11/1979
11/28/1979EP0005549A2 Process for manufacturing textiles coated with polyurethane foam
11/27/1979CA1067247A1 Process for the production of laminates
11/27/1979CA1066879A1 Method of combining at least two chemical reaction components and apparatus for carrying out the method
11/13/1979US4174415 No-gel latex foam material and its preparation
11/13/1979CA1066411A1 Video disc and method of making the same
11/06/1979US4173606 Method of manufacturing shaped articles from crystalline acrylonitrile polymers and copolymers
11/06/1979CA1065906A1 Tractor belt
11/06/1979CA1065655A1 Shaped body, such as a contact lens, of at least two polymerized materials and method of making same
11/06/1979CA1065566A1 Arrangement for tensioning and guiding the belts of a cellular plastic forming machine
11/01/1979WO1979000886A1 Clothing element or accessory intended to be adapted closely to a part of the human body and process for adapting this element or accessory to this part of the human body
11/01/1979WO1979000870A1 Process for separating solids from coal liquids
10/1979
10/31/1979EP0004893A1 Mixing head
10/23/1979US4171563 Method of manufacturing an antenna reflector
10/17/1979EP0004829A2 Process for fitting an article of dress or accessory to a part of the human body and article or accessory for carrying out the process
10/17/1979EP0004716A2 Process for separating solids from coal liquids
10/16/1979US4171395 Method and apparatus for forming a layer of foam urethane on a carpet backing and product
10/09/1979US4170616 Method of fabrication of a Fresnel lens
10/02/1979CA1063540A1 Scraper bars for use with conveyor belting and the like
09/1979
09/25/1979CA1063098A1 Mixing head for mixing at least two reactive components
09/18/1979CA1062415A1 Centrifugal tire casting machine
09/11/1979US4167381 Centrifugal casting equipment having an interchangeable
09/11/1979US4167236 Apparatus for the feeding of liquid synthetic resin components
09/11/1979CA1061975A1 Automated molding machine
09/11/1979CA1061969A1 Incorporation of a gaseous blowing agent into a liquid resin
09/11/1979CA1061967A1 Casting or injection mold for vehicular tires
08/1979
08/28/1979US4166088 Method of making high quality plastic lenses
08/22/1979EP0003695A1 Mold assembly for molding a flexible contact lens
08/22/1979EP0003641A1 Method and apparatus for producing a composite pipe
08/22/1979EP0003569A1 Process for the preparation of moulded foams on the basis of polyisocyanate
08/21/1979US4165211 Apparatus for applying a layer of a liquid foamable reaction mixture to a continuously moving support
08/21/1979US4165158 Cast contact lenses and method for making same
08/21/1979CA1060915A1 Method of applying an integral sealing member and the resultant products
08/07/1979CA1059713A1 Production of panels of various flexibility_
07/1979
07/31/1979CA1059294A1 Fastening element chain
07/31/1979CA1059276A1 Cold forming process
07/24/1979US4162039 Feeding and mixing nozzle
07/24/1979US4161813 Method of string attaching to game racket handle
07/24/1979CA1058845A1 Apparatus and method of manufacture of trains of slide fastening elements
07/17/1979CA1058365A1 Process for the manufacture of composite foam and fabric articles
07/17/1979CA1058364A1 Manufacturing upholstered foamed articles