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PLASTIC BAG AND METHOD AND APPARATUS OF MANUFACTUR

2020-10-31 来源:爱问旅游网
专利内容由知识产权出版社提供

专利名称:PLASTIC BAG AND METHOD AND

APPARATUS OF MANUFACTURE

发明人:GELBARD, Edward申请号:EP86906248.9申请日:19861104公开号:EP0247073B1公开日:19901107

摘要:Disclosed is a bag including a front wall and a rear wall and having an openmouth portion in which the front wall and rear wall are joined by pleated portions orgussets. The bag is manufactured so that a longitudinal, thermally welded seam is placedinside a portion of at least one of the gussets at a point other than the central fold. Thebag preferably includes handles which are integral extensions of the front and rear wallsand the gussets. The bag manufactured according to the principles of the presentinvention thus eliminates or minimizes failure of thermally welded seams. Also disclosedis a method for manufacturing the bags and an apparatus for manufacturing the bags.

申请人:WILVERLEY MANSIONS I.B.V.,GELBARD, EDWARD

地址:214 HERENGRACHT; AMSTERDAM,24, AVENUE PRINCESS GRACE; MONTECARLO

代理机构:MacFarlane, John Anthony Ch.

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