Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Forming plural articles
Patent
1979-06-07
1982-12-07
Derrington, James H.
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Forming plural articles
264311, 425434, B29C 504
Patent
active
043626858
ABSTRACT:
The method for producing articles from thermosetting resins, more particularly articles having a complex, variable shape such as spectacle frames, comprising in bottom casting liquid thermosetting resin into a mold and causing the resin to set in a field of centrifugal force.
REFERENCES:
patent: 2618031 (1952-11-01), Mazer
patent: 4034955 (1977-07-01), Wallace
patent: 4294792 (1981-10-01), Arons et al.
Rubber-Mold Spin-Casting, Tekcast Ind. Inc., In Machine Design, Jan. 1977, pp. 113-117.
Derrington James H.
Safilo S.p.A.
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