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10-19-2011

PROCESS FOR PRODUCING PLASTIC BAG, AND BAG-MAKING MACHINE

The invention relates to a method of successively making plastic bags. The method includes preparing a continuous web along with strip sheets, the continuous web having opposite surfaces, each of the strip sheets having opposite surfaces. The method further includes applying a strong adhesive agent and an additional adhesive agent to one of the opposite surfaces of the strip sheet or the continuous web. The strong adhesive agent needs a curing time. The method further includes making the strip sheet and the continuous web opposed to and pressed against each other so that the strong adhesive agent and the additional adhesive agent can be interposed between the strip sheet and the continuous web. The strip sheet and the continuous web are temporarily fixed to each other with the additional adhesive agent. The method further includes taking up the continuous web on a roll after the strip sheet is temporarily fixed. The method further includes supplying the continuous web from the roll after the curing time elapses in an apparatus for successively making plastic bags. Each of the plastic bags includes a certain portion formed of the continuous web. The certain portion has an outer surface on which a handle is formed of the strip sheet.

Document: EP2377679A1
Click here for the full patent text at DEPATISnet [PDF]
Published patent application
Disclosure date: 10-02-2007
Publication date: 10-19-2011
Applicant: TOTANI CORP, JP
Inventor: TOTANI CORP, JP


© European Patent Office. This information was obtained from the espacenet of the European Patent Office. There is no guarantee of its correctness or curency. For additional information, please use the research at espacenet. It is possible to determine the current legal and procedural status of patents and utility patents/models at http://worldwide.espacenet.com/ kfree of charge.

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