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Class 383/94 - Heat seal


Subclass of Class 383 - Flexible bags
Definition: Subject matter wherein the closure includes portions of
No. of applications: 16
Last issue date: 02/07/2013


Application No.Application TitleIssue Date
20130034317HEAT ACTIVATED ADHESIVES FOR BAG CLOSURES
A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated...
02/07/2013
20120269469RECLOSABLE FULL OPEN MOUTH BAG WITH A HOOK AND HOOK CLOSURE AND ASSOCIATED METHODS
A reclosable bag with a hook and hook closure can include walls formed of a material having multiple layers, which can include at least one gusset. The bag can be formed into a full open mouth configuration for ease of filling and ease of dispensing product. The hook an...
10/25/2012
20100293897Heat Activated Adhesives for Bag Closures
A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated...
11/25/2010
20100209022ULTRASONIC DOUBLE FOLD SEAL
A double fold seal having an ultrasonic stitch is provided as a closure means for a bag formed from synthetic resin material, and especially a woven synthetic resin material. A transverse heat seal is created using an ultrasonic welder, for example, and at least two fla...
08/19/2010
20100192520HEAT ACTIVATED ADHESIVES FOR BAG CLOSURES
A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated...
08/05/2010
20100189380Heat Activated Adhesives for Bag Closures
A polymeric woven bag has a first panel and a second panel and an open end of the bag to be pinched closed. A first layer of heat activated adhesive material is on a portion of the bag to form an adhesive-to-adhesive seal by contact with a second layer of heat activated...
07/29/2010
20100158417MULTI-LAYERED BAGS AND METHODS OF MANUFACTURING THE SAME
A bag can include walls formed of a material having multiple layers, which can include two polyolefin layers and a paper layer. The bag can be formed into a sewn-open-mouth configuration in which a stitching element extends through a wall of the bag. The bag can include...
06/24/2010
20100150479MULTI-LAYERED BAGS AND METHODS OF MANUFACTURING THE SAME
A bag can include walls formed of a material having multiple layers, one of which can be a layer of nonwoven material. A polyolefin layer can be joined to an outer face of the nonwoven layer. One or more films can be joined to an inner face of the nonwoven layer....
06/17/2010
20090238496AIR ENLCOSURE AND CHECK VALUE THEREOF CAPABLE OF BEING FILLED WITH HIGH PRESSURE AIR
In an air enclosure and a check valve capable of being filled with high pressure air, two first inner films are installed between two outer films, and two second inner films are then stacked together between the two first inner film. The two outer films and the two firs...
09/24/2009
20090232421CLOSURE ELEMENT FOR A POUCH
A closure mechanism for a pouch includes a first interlocking closure element and a second interlocking closure element. A closure profile is disposed on an interior side of the first interlocking closure element. A flange extends from the closure profile and an apertur...
09/17/2009
20090158695METHOD OF SEALINGLY PACKING PIECE GOODS IN A BAG, AS WELL AS BAG UNITS ADAPTED HEREFOR
The present invention encompasses principally a method of permitting packaging of one or more piece goods in one or more bag units, where said bag units are, in a selected transport direction, oriented after one another and mutually united with the aid of two, each arra...
06/25/2009
20080298724AIR PACKING BAG FOR TIGHTLY HOLDING ARTICLE AND MANUFACTURE THEREOF
According to an air packing bag for tightly holding an article and manufacture thereof of the present invention, a first outer film and a second outer film are staked together, in which the first outer film comprises a first side, a second side and a foldable side. The ...
12/04/2008
20080264925Collapsible insulated food delivery bag
An insulated bag has generally flat top and bottom walls connected by foldable back and opposite side walls which cooperate to define a chamber having a front opening for receiving a food product. Flexible closure flaps extend from the bottom wall and opposite side wall...
10/30/2008
20080187256Method of forming composite seal structure of peel seal and tear seal
A method of forming a composite seal structure having great resistance to rupture, rare generation of pinholes is provided which comprises using a heat sealer having two blocks which presses sheets to be heat-sealed and at least one of which is a heating block provided ...
08/07/2008
20080014402AEROGEL INSULATION SYSTEMS FOR PIPELINES
The invention provides a method for imparting curvature to a substantially planar material comprising placing substantially planar material in a smart bag, and heat shrinking the smart-bagged material, wherein curvature is imparted to the smart-bagged material upon heat...
01/17/2008
20060257055Packaging for free-flowing products, consisting of a heat-sealed bag
Packaging for free-flowing products consisting of a tubular bag composed of a flexible material. One end, which lies flat when the bag is filled, is formed by two broad-face panels lying flat against one another and narrow-face panels that are folded back by center fold...
11/16/2006
 
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