Patents
Patents for A42C 2 - Manufacturing helmets by processes not otherwise provided for (329)
03/1989
03/07/1989US4809690 Protective skull cap for the skull
10/1988
10/18/1988US4778638 Method of making ballistic helmet
12/1987
12/08/1987US4710984 Helmet for protection against impacts and a method of manufacturing the said helmet
10/1987
10/06/1987US4698001 Machine for the production of moulded articles of plastic material, in particular of crash helmets for motorcyclists and the like
06/1987
06/03/1987EP0224015A1 Method of making a metal helmet
04/1987
04/14/1987US4656674 Composite helmet
02/1987
02/04/1987EP0210918A1 Protecting cap for the brain pan, and method of its manufacture
09/1986
09/24/1986CN85108049A Composite helmet
09/16/1986CA1211251A1 Helmet shell fabric layer and method of making the same
06/1986
06/24/1986US4596056 Helmet shell fabric layer and method of making the same
06/18/1986EP0184902A1 Composite helmet
01/1986
01/16/1986WO1986000198A1 Helmet for protection against impacts and method for producing said helmet
01/02/1986EP0166691A1 Protective helmet against impacts, and method of manufacturing said helmet
10/1985
10/22/1985US4548665 Method for manufacturing an element having a curved surface from a rigid panel of a material of the "honeycomb" type and the product obtained
10/1984
10/31/1984EP0123572A1 Method for the production of a curved surface element from a rigid panel of honey comb-type material, and the product obtained
09/1984
09/25/1984US4473208 Apparatus for making helmets
08/1984
08/21/1984US4466138 Safety helmet with a shell injected from thermoplastics and method for the manufacture of said helmet
01/1984
01/17/1984CA1160414A1 Safety helmet with a shell injected from thermoplastics and method for the manufacture of said helmet
12/1983
12/28/1983EP0096763A2 Safety helmet and method of manufacturing this helmet
07/1983
07/12/1983CA1149570A1 Reinforced shock resistant resin structure and its relative method of manufacture
07/1982
07/06/1982US4338070 Apparatus for molding reinforced resin products
01/1982
01/05/1982CA1115451A1 Continuous filament, laminated ballistic helmet and method for making same
12/1981
12/30/1981EP0042782A1 Protective helmet with a shell made of injection moulded thermoplastic material, and method of manufacturing said helmet
11/1981
11/17/1981US4300242 Molded reinforced article and method
09/1981
09/08/1981US4288268 Method of producing a protective helmet
10/1980
10/15/1980EP0016945A1 Reinforced impact resistant resin structure and its related process of manufacture
04/1980
04/22/1980US4199388 Method for making a multi-ply continuous filament ballistic helmet
05/1976
05/11/1976US3956447 Method of making deep drawn, laminated articles
01/1976
01/27/1976US3935044 Method of manufacturing improved protective headgear
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