Adhesive bonding and miscellaneous chemical manufacture – Methods – Surface bonding and/or assembly therefor
Patent
1989-05-17
1991-04-09
Gallagher, John J.
Adhesive bonding and miscellaneous chemical manufacture
Methods
Surface bonding and/or assembly therefor
156226, 156227, 156256, 383104, 493189, 493199, 493231, 493232, 493243, 493264, B31B 122, B31B 126, B31B 162
Patent
active
050061860
ABSTRACT:
This invention relates to the method for manufacturing a variety of square bottom containers by folding to the same side both of two brims of a sheet-shaped container of raw material of paper, aluminum foil, plastic laminate film and the like such that the brims mutually abut each other, forming a bonding agent or heat-seal layer on the outsides of both these butted brims, then forming the lower portion into a W-shape with an inverted V-shaped fold being provide in the midway, and then press-fitting the bonding agent or heat-seal layer from the outside of the formed sheet for its bonding or deposition, the press fit formed sheet defining a square bottom container having a bottom laminate which is flat with no overlap and having a heat seal film or the like which doesn't come inside the container. The method is efficient and the containers can be manufactured quite easily.
REFERENCES:
patent: 287753 (1883-10-01), Blowers
patent: 775268 (1904-11-01), Flowers
patent: 2157794 (1939-05-01), MacDonald et al.
patent: 2282258 (1942-05-01), Snyder
patent: 3357322 (1967-12-01), Gill
patent: 4566927 (1986-01-01), Wood
Altech Co., Ltd.
Gallagher John J.
Yoder Michele K.
LandOfFree
Manufacturing method of square bottom bags does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Manufacturing method of square bottom bags, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Manufacturing method of square bottom bags will most certainly appreciate the feedback.
Profile ID: LFUS-PAI-O-2032459