Static molds – Including coating or adherent layer
Patent
1988-02-29
1989-07-18
Hoag, Willard
Static molds
Including coating or adherent layer
249115, 249117, 249127, B29C 3368
Patent
active
048487198
ABSTRACT:
A mold for embedding histological specimens made of transparent plastic of the kind that is hardenable by irradiation, usually with light, consists of at least one flat-bottomed oval basin depressed with respect to a surrounding surface which, in turn, is externally bounded by a peripheral channel. The containing walls of the basin are outwardly inclined from the vertical. A separating layer covers the entire upper surfaces of the mold, including those of the peripheral channel, and consists of a synthetic resin, such as polyethylene, which does not bond with the resin of the embedding material and can be applied to the sheet of acrylic resin or polyvinyl chloride before the latter is pressed into the shape of the mold. The specimen embedded in the hardened embedding resin can be easily expelled from the mold even if the mold is made from another resin to which the separation layer might bond.
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Hoag Willard
Kulzer & Co. GmbH
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