Plastic and nonmetallic article shaping or treating: processes – Mechanical shaping or molding to form or reform shaped article – Shaping against forming surface
Patent
1991-06-19
1992-02-25
Lowe, James
Plastic and nonmetallic article shaping or treating: processes
Mechanical shaping or molding to form or reform shaped article
Shaping against forming surface
264 73, 264313, B29C 4310
Patent
active
050911368
ABSTRACT:
In a method of making relief structures on mother-of-pearl layers removed from the shells of mollusks a portion of the layer is disposed on a negative mold having a relief shape formed therein, a modelling material is disposed on the layer portion and the layer portion is pressed into engagement with the negative mold by way of a planar stamp pressing onto the modelling material thereby relief-shaping the mother-of-pearl layer.
REFERENCES:
patent: 3660211 (1972-05-01), Brody
patent: 4105733 (1978-08-01), Bonfanti
Bock Jurgen
Metzger-Pegau Karola
Zeller Wolfgang
Bock & Schupp GmbH & Co. KG
Lowe James
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