Plastic and nonmetallic article shaping or treating: processes – With printing or coating of workpiece – Anti-stick or adhesion preventing coating
Patent
1978-08-15
1981-02-10
Lowe, James B.
Plastic and nonmetallic article shaping or treating: processes
With printing or coating of workpiece
Anti-stick or adhesion preventing coating
264280, 264320, 264323, 264341, B29C 1700
Patent
active
042501334
ABSTRACT:
A method is disclosed for providing a highly polished and lustrous surface on the exterior of an advancing billet of plastic material, such as soap. The method includes the steps of continuously advancing the billet into a chamber containing a lubricating fluid compatible with the advancing billet so as to intimately contact and substantially lubricate the entire peripheral surface. Thereafter, continuing the advance of such billet through a continuously smooth and tapered wall surface defining an outlet opening which is configured and dimensioned to contact and wipe the lubricating fluid from substantially the entire peripheral surface of the advancing billet and continuously pressing such peripheral surface so as to reduce the cross-sectional dimension thereof by a predetermined amount which enables formation of a highly polished and lustrous exterior surface. The advancing billet substantially seals the chamber at the inlet and outlet opening thereby to substantially prevent entry of air into the chamber.
REFERENCES:
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patent: 3673294 (1972-06-01), Matthaei
patent: 3993726 (1976-11-01), Moyer
Avon Products Inc.
Lowe James B.
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