Plastic and nonmetallic article shaping or treating: processes – Vacuum treatment of work – To degas or prevent gas entrapment
Patent
1986-08-06
1988-03-22
Thurlow, Jeffery
Plastic and nonmetallic article shaping or treating: processes
Vacuum treatment of work
To degas or prevent gas entrapment
264126, 264320, 264325, 26433118, 264DIG78, 5253297, 5253302, B29C 3310, B29C 4302, C08F 842
Patent
active
047327219
ABSTRACT:
A method for production of a shaped body having high mechanical strength, high modulus of elasticity, and good mold-releasing property, the method comprising steps of charging a metal salt of polyacrylic acid in powder form into a shaping mold; and press-forming the powder material into a shaped body under a pressure in a range of from 100 kg/cm.sup.2 to 1,000,000 kg/cm.sup.2.
REFERENCES:
patent: 2045080 (1936-06-01), Hagedorn
patent: 2586148 (1952-02-01), Clark et al.
patent: 3779952 (1973-12-01), Leonard Jr.
patent: 4183991 (1980-01-01), Smiley et al.
Agency of Industrial Science and Technology
Tentoni Leo B.
Thurlow Jeffery
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