Patents
Patents for D21J 3 - Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds (1,515)
05/1979
05/01/1979US4152203 Method of warpage control for molded fiber trays
04/1979
04/24/1979CA1053048A1 Method of pulp molding
03/1979
03/20/1979CA1050741A1 Method of continuous manufacture of a sheet or element having a uniform consistency, and devices for carrying the method into effect
01/1979
01/02/1979US4132591 Polyolefin and cellulosic fibers
11/1978
11/14/1978CA1042192A1 Multiple filter press diaphragm former
09/1978
09/26/1978US4116761 Compression of inorganic fibers
04/1978
04/11/1978US4083670 Apparatus for making high strength open bottom packaging tray
02/1978
02/14/1978US4073851 Method of making molded bodies from ligno-cellulose particles
11/1977
11/29/1977US4060363 Apparatus for making stable blocks formed of shredded paper-like material
03/1977
03/29/1977US4014737 Cellulose, drying
08/1976
08/31/1976US3977928 Crushing, dispersing fibers, impregnation with adhesive compressing
07/1976
07/20/1976US3970516 Multiple filter press diaphragm former
06/1976
06/29/1976US3966546 Apparatus for manufacturing sleeves from fiber pulp
05/1976
05/04/1976US3954376 Apparatus for making molded bodies from ligno-cellulose particles
02/1976
02/24/1976US3940466 Method of providing a structural shape
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