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Storage Bag
专利权人:
W. L. Gore & Associates; Inc.
发明人:
Bret A. Snyder,Basak Irem Nase,John E. Bacino,William Shamrock
申请号:
US14447745
公开号:
US20160030283A1
申请日:
2014.07.31
申请国别(地区):
US
年份:
2016
代理人:
摘要:
A method of making a storage bag comprising the following steps performed in any order: (a) forming a composite tube having an inner surface comprising a higher melting polymer, an outer surface comprising a lower melting polymer, two ends, and a diameter; (b) flattening the tube in a direction perpendicular to the diameter; (c) forming a joint at one of the ends at a temperature between respective melting points of the higher melting polymer and the lower melting polymer; (d) providing a composite sheet having a first side comprising a higher melting polymer and a second side comprising a lower melting polymer; and (e) disposing the composite sheet over the joint such that the first side comprising a lower melting polymer engages the joint and forming a lap seam over the joint at a temperature between respective melting points of the higher melting polymer and the lower melting polymer, and a storage bag made by such method.
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