Sealing of polyolefin-based resin and sealed article of the resi

Details Sealing of polyolefin-based resin and sealed article of the resi Sealing of polyolefin-based resin and sealed article of the resi

1999-03-10

2000-12-19

Yao, Sam Chuan

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

1562751, 156290, 1563084, B32B 3104, B32B 3120

Patent

active

061623202

ABSTRACT:
A method is provided for laminating polyolefin resins, which includes placing a plurality of polyolefin resin films or sheets one upon another and sealing the adjacent surfaces of the films or sheets by high-frequency dielectric heating while being pressed between a mold and a level block, and which is further characterized in the claims. The method of the present invention yields sealed polyolefin resin articles having high mechanical strength and good transparency at the sealed site.

REFERENCES:
patent: 4378396 (1983-03-01), Urai et al.
patent: 4589568 (1986-05-01), Ito et al.

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