Sealer for side gusseted bags

作者: James R. Johnson

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摘要: A sealer is disclosed for sealing upper and lower portions of a web without the together, such as side gussets in gusseted bags. bar placed below fixed with respect to machine. Another above web, parallel first one. An air cylinder can urge down against one seal web. platen within gusset prevent from being sealed each other, floats vertically accommodate motion bars.

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