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Class Information
Number: 493/193
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
Description: Method or apparatus including bringing a workpiece to the heat sealing action wherein the workpiece is a web of such length that the apparatus does not engage (recognize) both the leading end and the trailing end of the workpiece.
Sub-classes under this class:
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7578779 |
Bag machine and winder |
Aug. 25, 2009 |
| 7553269 |
Method of manufacturing a bag |
Jun. 30, 2009 |
| 7510515 |
Packaging bag and method for manufacturing same |
Mar. 31, 2009 |
| 7396321 |
Pouch packaging machine having adjustable operating orientations |
Jul. 8, 2008 |
| 7314439 |
Process for manufacturing a pouch-type form of packaging |
Jan. 1, 2008 |
| 7258656 |
Packaging machine and process |
Aug. 21, 2007 |
| 7169102 |
Process for manufacturing a pouch-type form of packaging |
Jan. 30, 2007 |
| 7114307 |
Filling and packaging machine |
Oct. 3, 2006 |
| 7059532 |
System and method for storing and synchronizing forms between printer and device for attaching personalized cards by creating shingled stacks |
Jun. 13, 2006 |
| 7011879 |
Composite polymeric twist tie |
Mar. 14, 2006 |
| 6740020 |
Plastic bag making apparatus |
May. 25, 2004 |
| 6635002 |
Seal cutter for plastic bag |
Oct. 21, 2003 |
| 6524434 |
Tubular device in a bagging machine |
Feb. 25, 2003 |
| 6298983 |
Storage bag with soaker pad |
Oct. 9, 2001 |
| 6261215 |
Rectangular thin film pack |
Jul. 17, 2001 |
| 6186933 |
Plastic bag manufacturing process |
Feb. 13, 2001 |
| 6135938 |
Machines for manufacturing containers of plastic material such as envelopes, bags, handbags and the like |
Oct. 24, 2000 |
| 6117058 |
Bag making machine |
Sep. 12, 2000 |
| 6110089 |
Bag making and packaging machine |
Aug. 29, 2000 |
| 5961433 |
Method and apparatus for forming bags from flexible plastics sheet |
Oct. 5, 1999 |
| 5951452 |
Method and apparatus for the manufacture of infusion packages |
Sep. 14, 1999 |
| 5938243 |
Paper product and related method |
Aug. 17, 1999 |
| 5833107 |
Apparatus for drawing, a web through a synchronization section of a bag making machine |
Nov. 10, 1998 |
| 5830117 |
Torque control for continuous motion bag machine |
Nov. 3, 1998 |
| 5785794 |
Seal roll index |
Jul. 28, 1998 |
| 5772565 |
Heat sealer |
Jun. 30, 1998 |
| 5738618 |
Blanket sealing bag machine |
Apr. 14, 1998 |
| 5733236 |
Bag-making apparatus having automated positioning of attachments |
Mar. 31, 1998 |
| 5685815 |
Process of using paper containing alkaline sizing agents with improved conversion capability |
Nov. 11, 1997 |
| 5540644 |
Packing bag for light sensitive materials and manufacturing method therfore |
Jul. 30, 1996 |
| 5536357 |
Bag gripping and transfer apparatus and method |
Jul. 16, 1996 |
| 5518490 |
Apparatus and method for the production of zipper-type closure bags |
May. 21, 1996 |
| 5230688 |
Servo driven components of a bag machine |
Jul. 27, 1993 |
| 5215514 |
Method and arrangement in a bag-making machine for forming weld lines in a web fed therethrough |
Jun. 1, 1993 |
| 5114393 |
Method and apparatus for manufacturing sacks, and sacks obtained thereby |
May. 19, 1992 |
| 5094656 |
Servo drive bag machine |
Mar. 10, 1992 |
| 5080747 |
Heat sealing mechanism with linearly movable seal bars |
Jan. 14, 1992 |
| 5024642 |
Rotary draw tape bag making apparatus and method |
Jun. 18, 1991 |
| 5019027 |
Method and apparatus for sealing reclosable flexible containers without spot sealing |
May. 28, 1991 |
| 5014497 |
Method and apparatus for smoothing of bag making material in form, fill and seal machines |
May. 14, 1991 |
| 5002522 |
Apparatus for controlling machines for making bags or sacks |
Mar. 26, 1991 |
| 5000727 |
Servo driven draw roll for bag machine |
Mar. 19, 1991 |
| 4986804 |
Method for forming angular seals in side-gussetted bags |
Jan. 22, 1991 |
| 4947621 |
Vertical form/fill/seal machine for making three side fin pouches |
Aug. 14, 1990 |
| 4931034 |
Bags made from thermoplastic synthetic resin sheeting having cutoff weld seams and process for producing the bags |
Jun. 5, 1990 |
| 4889522 |
Rotary bag making machine for drawstring bags |
Dec. 26, 1989 |
| 4854983 |
Rotary heat sealing method and apparatus |
Aug. 8, 1989 |
| 4850944 |
Hot air hem sealer heat exchanger |
Jul. 25, 1989 |
| 4834697 |
Driven guide roller indexing system |
May. 30, 1989 |
| 4834698 |
Cam positioned index take up roll |
May. 30, 1989 |
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