Plastic and nonmetallic article shaping or treating: processes – Optical article shaping or treating – Changing mold size or shape during molding or with shrinkage...
Reexamination Certificate
2006-10-17
2006-10-17
Heckenberg, Donald (Department: 1722)
Plastic and nonmetallic article shaping or treating: processes
Optical article shaping or treating
Changing mold size or shape during molding or with shrinkage...
C264S328100, C425S450100, C425S589000, C425S808000
Reexamination Certificate
active
07122137
ABSTRACT:
A device has a first mold plate mounted rotatably using a shaft, and a second mold plate, between which a cavity is formed. The device further has an apparatus for applying an erecting force to the first mold plate such that in the open state of the device the first mold plate is inclined to the second mold plate, and an angle of inclination decreases with increasing degree of clamping of the device. The device further contains an axial guide in which the shaft of the first mold plate is mounted rotatably and at the same time displaceably in the direction of the second mold plate.
REFERENCES:
patent: 3241190 (1966-03-01), Laudisa
patent: 5658522 (1997-08-01), Fischer
patent: 43 13 015 (1994-05-01), None
patent: 195 17 024 (1996-06-01), None
English abstract for DE 195 17 024.
Greenberg Laurence A.
Heckenberg Donald
Locher Ralph E.
Stemer Werner H.
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