Plastic article or earthenware shaping or treating: apparatus – Preform reshaping or resizing means: or vulcanizing means... – Shaping surfaces per se
Reexamination Certificate
2005-08-16
2005-08-16
Heckenberg, Donald (Department: 1722)
Plastic article or earthenware shaping or treating: apparatus
Preform reshaping or resizing means: or vulcanizing means...
Shaping surfaces per se
C425S437000, C425S810000, C156S345420, C156S583200
Reexamination Certificate
active
06929461
ABSTRACT:
A method and apparatus for making multiple layer optical discs is applied to separate the base plate from the mold plate. The apparatus includes a first adhesive ending groove, a mold plate, a sealing member and an air-blowing axle. The adhesive does not cover the area around the first and second openings and the first and second adhesive ending grooves, so an enclosed cavity is formed between the first and second openings. The air-blowing axle passes through the second opening and encloses the cavity but leaves injestion ports in the cavity so that air can be injected into the cavity for separating the base plate and the mold plate while the second recording layer and the adhesive layer adhere to the base plate.
REFERENCES:
patent: 6478069 (2002-11-01), Fujisaku et al.
patent: 2003/0116274 (2003-06-01), Kitano et al.
patent: 2003/0231578 (2003-12-01), Hayashi et al.
patent: 1 026 677 (2000-08-01), None
patent: 62-181117 (1987-08-01), None
patent: 07-290527 (1995-11-01), None
patent: 10-208316 (1998-08-01), None
patent: 11-203736 (1999-07-01), None
English abstract for JP 62-181117.
English abstract for JP 07-290527.
English abstract for JP 10-208316.
English abstract for JP 11-203736.
Chang Yu-Hsiu
Chen Jyh-Chyang
Jang Chau-Shin
Kuo Li-Te
Ma Rong-Chang
Birch & Stewart Kolasch & Birch, LLP
Heckenberg Donald
Industrial Technology Research Institute
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