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Class Information
Number: 493/202
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 > 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 wherein the thermal level of the workpiece surface is raised to effect securement of that surface with another surface of said workpiece as the workpiece is in motion.
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 |
| 7553269 |
Method of manufacturing a bag |
Jun. 30, 2009 |
| 7510515 |
Packaging bag and method for manufacturing same |
Mar. 31, 2009 |
| 7410452 |
Pouch with a straw hole and method of manufacturing the same |
Aug. 12, 2008 |
| 7011615 |
Method for making a multicompartment thermoplastic bag |
Mar. 14, 2006 |
| 6564843 |
Fastener tape, method of and apparatus for making fastener tape, method of using fastener tape, and reclosable bag utilizing fastener tape |
May. 20, 2003 |
| 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 |
| 6030329 |
Machine for making disk jackets |
Feb. 29, 2000 |
| 5976299 |
Method for making a non-peelable, sterilizable bag |
Nov. 2, 1999 |
| 5957821 |
Apparatus for cutting a strip-type packaging |
Sep. 28, 1999 |
| 5861078 |
Method and apparatus for detecting a seal on a plastic bag |
Jan. 19, 1999 |
| 5738618 |
Blanket sealing bag machine |
Apr. 14, 1998 |
| 5690774 |
Apparatus and method for maintaining the confidentiality of printed information |
Nov. 25, 1997 |
| 5660674 |
Method and apparatus for registration of a seal and perforation on a plastic bag |
Aug. 26, 1997 |
| 5571361 |
Apparatus and method for fabricating breather bags |
Nov. 5, 1996 |
| 5536356 |
Apparatus and method for fabricating breather bags |
Jul. 16, 1996 |
| 5518559 |
Method and apparatus for registration of a seal on a plastic bag |
May. 21, 1996 |
| 5328438 |
System and method for manufacturing sealed packages |
Jul. 12, 1994 |
| 5213560 |
System and method for manufacturing sealed packages |
May. 25, 1993 |
| 4934993 |
Bag making apparatus with automatic compensation system |
Jun. 19, 1990 |
| 4881933 |
Draw tape bag forming method and apparatus |
Nov. 21, 1989 |
| 4735675 |
Heating device for sealing material to effect different bond strengths |
Apr. 5, 1988 |
| 4690722 |
Ultrasonic apparatus for joining and severing sheet material |
Sep. 1, 1987 |
| 4664649 |
Method and apparatus for producing drawstring bags |
May. 12, 1987 |
| 4333790 |
Rotary bag sealing and perforating machine |
Jun. 8, 1982 |
| 4019947 |
Multipurpose sealing and severing method and mechanism |
Apr. 26, 1977 |
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