The patent badge is an abbreviated version of the USPTO patent document. The patent badge does contain a link to the full patent document.
The patent badge is an abbreviated version of the USPTO patent document. The patent badge covers the following: Patent number, Date patent was issued, Date patent was filed, Title of the patent, Applicant, Inventor, Assignee, Attorney firm, Primary examiner, Assistant examiner, CPCs, and Abstract. The patent badge does contain a link to the full patent document (in Adobe Acrobat format, aka pdf). To download or print any patent click here.
Patent No.:
Date of Patent:
Jun. 22, 2004
Filed:
May. 01, 2001
John E. Davis, Westfield, MA (US);
General Electric Company, Pittsfield, MA (US);
Abstract
In one embodiment, the method far embossing a substrate, includes: heating a first substrate to a temperature above a glass transition temperature; preheating and maintaining a mold at a mold temperature below the glass transition temperature; introducing the heated substrate to the preheated mold; compressing the heated substrate in the mold; cooling the compressed substrate; and removing the cooled substrate from the mold. In another embodiment, the method for embossing a substrate, includes: heating a first substrate to a temperature above a substrate surface glass transition temperature; preheating a mold to a mold temperature of up to about 30° C. above the substrate surface glass transition temperature; introducing the heated substrate to the preheated mold; compressing the heated substrate in the mold; cooling the compressed substrate; and removing the cooled substrate from the mold.