Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1977-04-22
1978-08-15
Hoag, Willard E.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
B29C 500, B29F 100
Patent
active
041072570
ABSTRACT:
A method of manufacture of dynamically balanced molded plastic air movement devices wherein material may be readily added or deleted from inactive surface portions of the air movement devices during manufacture by adjustable pins accessable from the front or face of a mold half.
REFERENCES:
patent: 3136001 (1964-06-01), Gelbard
Hoag Willard E.
Roehrig, Jr. August E.
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