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Application filed by Pro Doing Ind Co LtdfiledCriticalPro Doing Ind Co Ltd
Priority to TW93136928ApriorityCriticalpatent/TWI272181B/en
Publication of TW200616784ApublicationCriticalpatent/TW200616784A/en
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Publication of TWI272181BpublicationCriticalpatent/TWI272181B/en
A manufacturing method of a bag includes following procedures: pulling a first bag film to form an approaching direction, pulling a second bag film under the first bag film, pulling fold-joint film having an upper fold-joint film and an under fold-joint film, pulling the fold-joint film between the first bag film and the second bag film and making the upper fold-joint film corresponding to the first bag film and the under fold-joint film corresponding to the second bag film, at preset location and distance melting and jointing the first bag film and the upper fold-joint film to form a joint part, and melting and jointing the second bag film and the under fold-joint film to form a joint part and then cutting each joint part.
TW93136928A2004-11-302004-11-30A manufacturing method of a bag
TWI272181B
(en)
Method for producing a weld on a wall of an article by partially melting the material of the welding bead and/or of the material of the adjoining walls
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