B31B2170/00

Recyclable compostable paper bag
11897226 · 2024-02-13 · ·

The present invention is directed to a produce bag. More specifically, the present invention is directed to a completely recyclable and compostable grocery-type bag for use with produce and other goods. Ideally, the bag is a calendared single-ply paper with heat-sealed seams that is resistant to destruction from moisture. While produce is contemplated, the bag can be used to contain virtually any product. Preferably, such a bag would have a window or an opening so that produce can be viewed and readily identified. The present invention is further directed to a process for creating and filling the above bag. Using a standard printing machine, the adhesive is printed onto the paper in register to desired locations on the paper to form the seams of the bag and, optionally border a window area to be cut out of the paper. If the bag is to include a window opening, the window opening is cut out within the area of applied heat-activated adhesive and a screen cover to the window such that the border of the screen cover is applied to overlap the heat-activated adhesive. Optionally, a recyclable and compostable patch can be placed around the window such that the patch covers the edge of the screen and the heat-activated adhesive to form a border for the window. The patch and screen cover to the window, if present, are adhesively sealed to the paper by heat activation. One method of assembling the bag includes forming the adhesive applied paper to create a tube of paper such that the heat-activated adhesive overlaps the paper, heat sealing the paper into a tube, automatedly filling the tube with product, heat sealing the bottom edge and top edge of the product-filled tube to form an enclosed bag with product therein. The forming and filling can be accomplished on already existing automated forming and filling machines manufactured for use with plastic bags and plastic lined paper bags. Thusly creating a sealed, filled paper bag that is a single ply unlined paper with a mesh covering attached to the paper without the need for reinforcement that can withstand the moisture released from the contents and is 100% recyclable and compostable.

RECYCLABLE COMPOSTABLE PAPER BAG
20240131814 · 2024-04-25 · ·

The present invention is directed to a produce bag. More specifically, the present invention is directed to a completely recyclable and compostable grocery-type bag for use with produce and other goods. Ideally, the bag is a calendared single-ply paper with heat-sealed seams that is resistant to destruction from moisture. While produce is contemplated, the bag can be used to contain virtually any product. Preferably, such a bag would have a window or an opening so that produce can be viewed and readily identified.

The present invention is further directed to a process for creating and filling the above bag. Using a standard printing machine, the adhesive is printed onto the paper in register to desired locations on the paper to form the seams of the bag and, optionally border a window area to be cut out of the paper. If the bag is to include a window opening, the window opening is cut out within the area of applied heat-activated adhesive and a screen cover to the window such that the border of the screen cover is applied to overlap the heat-activated adhesive. Optionally, a recyclable and compostable patch can be placed around the window such that the patch covers the edge of the screen and the heat-activated adhesive to form a border for the window. The patch and screen cover to the window, if present, are adhesively sealed to the paper by heat activation. One method of assembling the bag includes forming the adhesive applied paper to create a tube of paper such that the heat-activated adhesive overlaps the paper, heat sealing the paper into a tube, automatedly filling the tube with product, heat sealing the bottom edge and top edge of the product-filled tube to form an enclosed bag with product therein. The forming and filling can be accomplished on already existing automated forming and filling machines manufactured for use with plastic bags and plastic lined paper bags. Thusly creating a sealed, filled paper bag that is a single ply unlined paper with a mesh covering attached to the paper without the need for reinforcement that can withstand the moisture released from the contents and is 100% recyclable and compostable.

Plastic bags, rolls of plastic bags, and tubular blown film processes of making the same

A process of manufacturing a roll of plastic bags. The process includes forming a tubular blown film, and collapsing the tubular blown film so that the tubular blown film includes a first side, a second side, a first edge, and a second edge. Openings are cut in the collapsed tubular blown film, and sealing closure mechanisms are inserted through the openings into the collapsed tubular blown film. The sealing closure mechanisms are then fixed to the collapsed tubular blown film.

Method and Apparatus For Making Bag Using Ultrasonic Sealing

A method and apparatus for making bags or pouches is disclosed. An ultrasonic sealer may be used to form the seals. Sealing patterns may be used to provide a desired strength profile.

CONTAINER BAG WITH MULTIPLE SEALABLE LOCKS
20180229897 · 2018-08-16 ·

A container body includes a bag body and a resealable lock. The bag body includes first and second layers overlapped with each other, wherein the bag body further has a plurality of sealing portions provided thereat to form first and second sealing pockets discretely provided between the first and second layers, wherein three of the sealing portions are provided at three sealing edges of the first sealing pocket and three of the sealing portions are provided at three sealing edges of the second sealing pocket, such that each of the first sealing pocket and the second sealing pocket has an unsealed edge serving as an elongated opening. The resealable lock includes a plurality of zip lockers provided at the elongated openings of the first and second sealing pockets, wherein each of the first and second sealing pockets is reclosably sealed by the resealable lock.

Method for making tri-fold side seamed plastic produce bag
10011085 · 2018-07-03 ·

A trifold side seamed film produce bag includes a front wall and a back wall, first and second side edges sealed together and a seamless bag bottom. The bag is joined at the side edges to additional bags by a perforation. The bag is corona treated on at least one wall and promotional material is printed on the treated surface. The bags are folded to one third of their height to fit compact bag roll dispensers. The bags are folded in a Z-fold or C-fold configuration. The method includes manufacturing the bags and winding them onto cores or forming the bags into coreless rolls. An apparatus for forming the side seamed bags includes an extruder, a tubing flattener, a perforator, a sealer, a corona treater, a printer and a slitter. The treated, printed bags may be stored on rolls for later slitting into two bag streams and folding into thirds.

Flat Folded Bottom Self Opening Style Bag and Method of Manufacture

A method of manufacturing an SOS bag of indefinite length is disclosed including, as a preliminary step, providing a gusseted tube of indefinite length. In a series of steps, the gusseted tube may be cut, trimmed, folded, and sealed to create a unique bottom for an SOS bag. The bottoms of the front panel and the rear panel may be cut so as to permit the inward folding of the bottoms of the gussets of the gusseted tube, such that the bottoms of the gussets overlap. A front panel of the gusseted tube may then undergo a trimming and folding and heat sealing, followed by the rear panel of the gusseted tube undergoing a trimming and folding and heat sealing. The disclosure additionally includes bags manufactured by the method disclosed herein, as well as SOS bags having the unique construction disclosed herein.

Inflatable pouches

A supply of inflatable pouches includes an inflatable web defining a series of inflatable chambers, a longitudinal fold in the web such that the web is configured in the form of two juxtaposed inflatable panels joined together at the longitudinal fold, and a series of transverse seals that bond the panels together to form a series of inflatable pouches between pairs of the transverse seals.

INFLATABLE POUCHES
20180126679 · 2018-05-10 ·

A supply of inflatable pouches includes an inflatable web defining a series of inflatable chambers, a longitudinal fold in the web such that the web is configured in the form of two juxtaposed inflatable panels joined together at the longitudinal fold, and a series of transverse seals that bond the panels together to form a series of inflatable pouches between pairs of the transverse seals.

Film for urostomy pouch baffle and pouch using same

A urostomy pouch includes a baffle member, which is formed using multilayer film sheets. The multilayer film includes an inner layer comprising polypropylene and styrenic block copolymer, and an outer layer comprising ethyl methyl acrylate copolymer (EMA). The multilayer film sheets are arranged such that the inner layers face each other and are ultrasonically sealed along their longitudinal edges to form a tubular-shaped baffle member.