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Class Information
Number: 493/197
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 > With means to advance work or product > Including work advance during heat sealing
Description: Method or apparatus including transferring the work progressively through the location at which the thermal level is raised, at the time of such raising of the thermal level of the workpiece surface.
Patents under this class:
| Patent Number |
Title Of Patent |
Date Issued |
| 7604585 |
Pouch with a straw hole and method of manufacturing the same |
Oct. 20, 2009 |
| 7578779 |
Bag machine and winder |
Aug. 25, 2009 |
| 7410452 |
Pouch with a straw hole and method of manufacturing the same |
Aug. 12, 2008 |
| 7326162 |
Bag making machine |
Feb. 5, 2008 |
| 7314439 |
Process for manufacturing a pouch-type form of packaging |
Jan. 1, 2008 |
| 7169102 |
Process for manufacturing a pouch-type form of packaging |
Jan. 30, 2007 |
| 7011615 |
Method for making a multicompartment thermoplastic bag |
Mar. 14, 2006 |
| 6962557 |
Device for welding plastic films |
Nov. 8, 2005 |
| 6669615 |
Plastic film hinging and pre-creasing process |
Dec. 30, 2003 |
| 6635002 |
Seal cutter for plastic bag |
Oct. 21, 2003 |
| 6629917 |
Sealer apparatus for plastic film processing including an adjustably mounted seal bar, particularly for bag making machines |
Oct. 7, 2003 |
| 6561962 |
Line plastic bag machine |
May. 13, 2003 |
| 6425847 |
Method for producing a packing material from plastic film or a similar weldable material |
Jul. 30, 2002 |
| 6422986 |
Sealer apparatus for forming a cross seal in plastic film processing and particularly for bag making machines |
Jul. 23, 2002 |
| 6210308 |
Apparatus and method for sealing foil material |
Apr. 3, 2001 |
| 6139479 |
Apparatus and method for manufacture of containers of variable length |
Oct. 31, 2000 |
| 6117058 |
Bag making machine |
Sep. 12, 2000 |
| 6110089 |
Bag making and packaging machine |
Aug. 29, 2000 |
| 6080093 |
Apparatus for wicket-top converting of a cross-laminated synthetic resin fiber mesh bag |
Jun. 27, 2000 |
| 6056681 |
Apparatus for forming flat-bottomed plastic bags |
May. 2, 2000 |
| 6030329 |
Machine for making disk jackets |
Feb. 29, 2000 |
| 5984850 |
Gusseted bulk bag liner and method of manufacture |
Nov. 16, 1999 |
| 5976299 |
Method for making a non-peelable, sterilizable bag |
Nov. 2, 1999 |
| 5857953 |
Draw tape machines |
Jan. 12, 1999 |
| 5830117 |
Torque control for continuous motion bag machine |
Nov. 3, 1998 |
| 5759144 |
Gusseted bulk bag liner and method of manufacture |
Jun. 2, 1998 |
| 5746862 |
Method of making a liner for roll-off waste containers |
May. 5, 1998 |
| 5690774 |
Apparatus and method for maintaining the confidentiality of printed information |
Nov. 25, 1997 |
| 5662575 |
Method and apparatus for continuously forming bags |
Sep. 2, 1997 |
| 5618254 |
Gusseted bulk bag liner and method of manufacture |
Apr. 8, 1997 |
| 5571361 |
Apparatus and method for fabricating breather bags |
Nov. 5, 1996 |
| 5536356 |
Apparatus and method for fabricating breather bags |
Jul. 16, 1996 |
| 5518490 |
Apparatus and method for the production of zipper-type closure bags |
May. 21, 1996 |
| 5502951 |
Convertible pitch pouch machine |
Apr. 2, 1996 |
| 5447486 |
Maintaining perforation phasing |
Sep. 5, 1995 |
| 5417638 |
Method and apparatus for maintaining proper perforation phasing |
May. 23, 1995 |
| 5382216 |
Method of manufacturing packaging bags with a handle |
Jan. 17, 1995 |
| 5356363 |
Apparatus for making flat packaging bags from a flexible sheet of synthetic material |
Oct. 18, 1994 |
| 5292299 |
Maintaining perforation phasing |
Mar. 8, 1994 |
| 5287681 |
Tube-forming apparatus |
Feb. 22, 1994 |
| 5268058 |
Crytoplate seal bar |
Dec. 7, 1993 |
| 5230688 |
Servo driven components of a bag machine |
Jul. 27, 1993 |
| 5213560 |
System and method for manufacturing sealed packages |
May. 25, 1993 |
| 5176610 |
Fly-knife dampening system |
Jan. 5, 1993 |
| RE34117 |
Protective laboratory specimen bag |
Oct. 27, 1992 |
| 4974396 |
Apparatus for manufacturing bags |
Dec. 4, 1990 |
| 4950217 |
Bag making machine with coupling-controlled perforating and welding |
Aug. 21, 1990 |
| 4950345 |
Method and apparatus for making improved seals between polymeric film materials |
Aug. 21, 1990 |
| 4927405 |
Protective laboratory specimen bag |
May. 22, 1990 |
| 4923436 |
Plastic bag and method and apparatus of manufacture |
May. 8, 1990 |
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