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Class Information
Number: 493/195
Name: Manufacturing container or tube from paper; or other manufacturing from a sheet or web > Container making > Pliable container (e.g., bag, envelope, etc.) > Including heat sealing > Including supplying indeterminate length work > And cutting, breaking, tearing, or abrading > At separate station from heat sealing
Description: Method or apparatus including one work receiving location at which the workpiece surfaces are secured together by the application of thermal energy and another distinct, work receiving location at which the piercing, ripping or engagement by a crystalline tool occurs.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7465265 |
Method for installing closure in mouth of pre-made bag |
Dec. 16, 2008 |
| 6635002 |
Seal cutter for plastic bag |
Oct. 21, 2003 |
| 6471818 |
Procedure to fix a closed zipper-stripe inside a flexible container during its packaging |
Oct. 29, 2002 |
| 6139479 |
Apparatus and method for manufacture of containers of variable length |
Oct. 31, 2000 |
| 6059707 |
Easy to open handle bag and method of making the same |
May. 9, 2000 |
| 5860905 |
System and method for making plastic film bags with headers, open mouths and sealed bottoms |
Jan. 19, 1999 |
| 5810706 |
bag with an access hole in one panel |
Sep. 22, 1998 |
| 5759333 |
Safety glove bag and method of making same |
Jun. 2, 1998 |
| 5741208 |
Environmental container liner and method of manufacture |
Apr. 21, 1998 |
| 5709641 |
Thermoplastic bag structure |
Jan. 20, 1998 |
| 5690600 |
Retractable web separator |
Nov. 25, 1997 |
| 5683340 |
Method of making easy open thermoplastic bag |
Nov. 4, 1997 |
| 5662576 |
Method of manufacturing an improved bag for the cultivation of mushroom spawn and apparatus therefor |
Sep. 2, 1997 |
| 5630779 |
Easy-open bag pack, method of forming and system |
May. 20, 1997 |
| 5542902 |
Vented pouch arrangement and method |
Aug. 6, 1996 |
| 5540644 |
Packing bag for light sensitive materials and manufacturing method therfore |
Jul. 30, 1996 |
| 5507713 |
Easy-open bag pack, method of forming and system |
Apr. 16, 1996 |
| 5286248 |
Flexible pouch with folded spout |
Feb. 15, 1994 |
| 5273511 |
Method to improve welding of profiled plastic film or tape |
Dec. 28, 1993 |
| 5273362 |
Stand up plastic bag and method of manufacture |
Dec. 28, 1993 |
| 5273514 |
Method for making a flexible pouch |
Dec. 28, 1993 |
| 5254073 |
Method of making a vented pouch |
Oct. 19, 1993 |
| 5244450 |
Process of making blocks of bags |
Sep. 14, 1993 |
| 5242365 |
Process for manufacturing package having separable overlay |
Sep. 7, 1993 |
| 5226858 |
Method and apparatus for producing bags interconnected at their open ends |
Jul. 13, 1993 |
| 5203758 |
Method for manufacturing a sack or bag with a bottom being rectangular in the filled state and with a handle, and a sack or bag manufactured in accordance with said method |
Apr. 20, 1993 |
| 5147272 |
Method of making a vented pouch |
Sep. 15, 1992 |
| 5127893 |
Method of making scrapless collapsible bag with circumferentially spaced reinforced strips |
Jul. 7, 1992 |
| 5098364 |
Waste container liner and method for manufacturing same |
Mar. 24, 1992 |
| 5096516 |
Method of making dual reuseable pouches |
Mar. 17, 1992 |
| 5080643 |
Method of making a stand-up plastic bag |
Jan. 14, 1992 |
| 5078667 |
Thermoplastic handled bags and their method of manufacture |
Jan. 7, 1992 |
| 4997416 |
Method of making a stand-up plastic bag |
Mar. 5, 1991 |
| 4995860 |
Easy opening bag pack and supporting rack system and fabricating method |
Feb. 26, 1991 |
| 4976674 |
Bag and method of making the same |
Dec. 11, 1990 |
| 4974968 |
Bag having holes for retaining pins |
Dec. 4, 1990 |
| 4954124 |
Stand-up plastic bag and method of making same |
Sep. 4, 1990 |
| 4950217 |
Bag making machine with coupling-controlled perforating and welding |
Aug. 21, 1990 |
| 4946431 |
Apparatus for the manufacture of block-sealed side-gussetted bags |
Aug. 7, 1990 |
| 4931034 |
Bags made from thermoplastic synthetic resin sheeting having cutoff weld seams and process for producing the bags |
Jun. 5, 1990 |
| 4931033 |
Plastic bag construction |
Jun. 5, 1990 |
| 4925438 |
Bags made of a thermoplastic synthetic resin sheeting and process for the production of said bags |
May. 15, 1990 |
| 4906228 |
Method and apparatus for the manufacture of plastic bags in pairs with side seams |
Mar. 6, 1990 |
| RE33173 |
Envelope with pouch and method of manufacture thereof |
Feb. 27, 1990 |
| 4889523 |
Tearable package of synthetic thermoplastic foil and device and method for producing the same |
Dec. 26, 1989 |
| 4856396 |
Apparatus for selectively forming apertures or holes or venting pinholes in a continuously moving web |
Aug. 15, 1989 |
| 4857037 |
Portable packing bag made of plastic film, and method of producing the same |
Aug. 15, 1989 |
| 4840610 |
Thermoplastic bag, bag pack and method of making the same |
Jun. 20, 1989 |
| 4838977 |
Process and apparatus for making plastic carrying bags or sacks |
Jun. 13, 1989 |
| 4816104 |
Methods and systems for preparing flat-bottom thermoplastic sack |
Mar. 28, 1989 |
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