B - Operations – Transporting – 32 – B
Patent
B - Operations, Transporting
32
B
B32B 17/10 (2006.01) C03C 27/12 (2006.01) F41H 5/04 (2006.01)
Patent
CA 2317201
The present invention relates to laminated glass with a plastic intermediate material having adhesiveness interposed between and integrated with two or more glass sheets by pressurization, and a method and apparatus for manufacturing the laminated glass. The laminated glass according to the present invention includes a first glass sheet, a second glass sheet, and a plastic intermediate material interposed between the first and second glass sheets and press-bonded to the first and second sheets via coatings of adhesives formed on both sides of the intermediate material. A method for manufacturing laminated glass according to the present invention includes the steps of sequentially loading a first glass sheet and a second glass sheet on a conveyor belt; cleaning and drying the first and second glass sheets; lifting the first glass sheet by a fixing device at a predetermined location; bonding a plastic intermediate material with adhesives coated on both sides thereof to the second glass sheet carried by the conveyor belt and carrying it directly below the fixing device; lowering the fixing device and bonding the first glass sheet to an upper surface of the intermediate material bonded to the second glass sheet; and integrating the intermediate material with the first and second glass sheets by pressing the first and second glass sheets bonded via the intermediate material. According to the present invention, since the manufacturing process of the invention is performed at room temperature, the present invention remarkably reduces time required for the manufacturing process. In addition, the present invention is more compatible with the environment and more cheaper. Furthermore, the ratio of stiffness to weight of the laminated glass of the invention is several times larger than that of the conventional bulletproof glass.
Ha Hwang Doo
Jang Hyung Gyu
Mccarthy Tetrault Llp
P. & H. Glass Co. Ltd.
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