Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Reexamination Certificate
2007-12-11
2007-12-11
Ward, Jessica (Department: 1733)
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
C156S209000, C156S264000, C156S553000
Reexamination Certificate
active
11020816
ABSTRACT:
A synthetic amorphous marble flooring and a manufacturing method of the same are disclosed. The method includes the steps of kneading a synthetic resin compound with multi-colored spot color chips and primarily rolling the kneaded compound to manufacture a primarily rolled sheet, laminating the primarily rolled sheets while cutting the sheet to have a predetermined size and rotating the sheet, performing secondary rolling the laminated sheets by a low-temperature calendering to form wave patterns and rough surface on the sheets, and filling the rough surface of the secondarily rolled sheets by embossing in the length direction or any type of embossing using a first embossing unit of a double-embossing system to maintain uniform thickness, and flattening the surface by a secondary embossing unit of the double-embossing system. Thus, the synthetic marble flooring exhibiting amorphous marble patterns and excellent durability and a method of manufacturing the same are provided.
REFERENCES:
patent: 2260453 (1941-10-01), Hartman
patent: 2840137 (1958-06-01), Wortz
patent: 2917781 (1959-12-01), Petry
patent: 4445429 (1996-04-01), None
patent: 9-193334 (1997-07-01), None
patent: 10-0249569 (1999-12-01), None
patent: 20-0343899 (2004-02-01), None
Bahng Keuk-Pil
Kim Jang-Ki
LG Chem Ltd.
Ward Jessica
LandOfFree
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