Patents
Patents for B31B 27 - Machinery characterised by making interconnected envelopes or bags (348)
02/2005
02/24/2005US20050040278 Wave-cut overlapping trash bags
02/23/2005EP1508435A1 Roll of wave-cut overlapping trash bags and method for producing the same
02/20/2005CA2461799A1 Wave-cut overlapping trash bags
02/17/2005WO2004012553A3 Plurality of bags and method of making the same
12/2004
12/30/2004US20040261366 Method and machine for preparing postman's route in one single pass
12/23/2004US20040255558 Method of packaging point-of-purchase items
12/23/2004US20040255556 Method and apparatus for making a pre-padded food bag
12/22/2004EP1488915A2 Method and apparatus for making a pre-padded food bag
12/21/2004US6832464 Plastics packaging
12/17/2004CA2470975A1 Method and apparatus for making a pre-padded food bag
12/09/2004US20040248720 Container, device and method for manufacturing thereof
12/09/2004US20040247806 blended monolayer thermoplastic film, of thermoplastic elastomer block copolymers; and of non-elastic polyesters; water and oxygen barrier; useful for high temperature food preperation bags
12/09/2004US20040245270 Side seamed plastic produce bag, method of making and dispenser for same
12/07/2004US6827490 Preopened bags for automated baggers and related methods
11/2004
11/17/2004EP1477417A1 Machine and method of obtaining a large tube which is made from a flexible plastic material and which is folded in the form of bellows
11/17/2004EP1477416A1 Direct marketing envelope and a preform thereof
11/11/2004WO2004071752A8 Method for the production of bags
09/2004
09/02/2004DE10306615A1 Verfahren zur Herstellung von Säcken A process for the production of sacks
08/2004
08/26/2004WO2004071752A1 Method for the production of bags
08/24/2004US6779921 Zippered film and bag
05/2004
05/13/2004DE19505882B4 Vorrichtung zur Herstellung einer Kombination aus zwei zusammenhängenden Beuteln Apparatus for producing a combination of two contiguous pouches
04/2004
04/14/2004EP1406814A1 Methods of making thermal seals and perforations
03/2004
03/25/2004WO2004024462A1 Methods and envelopes for rational sealing of documents and inserts of different kinds in envelopes
02/2004
02/12/2004WO2004012553A2 Plurality of bags and method of making the same
02/12/2004CA2494117A1 Plurality of bags and method of making the same
02/05/2004US20040022457 Plurality of bags and method of making the same
01/2004
01/29/2004US20040016210 Continuous strip of detachably interconnected folded products
01/27/2004US6682792 Thermoplastic elastomer films
01/15/2004WO2004004931A1 Method and machine for preparing postman's route in one single pass
01/08/2004WO2004002725A1 Method for making a multicompartment thermoplastic bag
01/08/2004CA2490698A1 Method for making a multicompartment thermoplastic bag
12/2003
12/24/2003WO2003106269A1 Plastic bag and packaging method using same
12/24/2003CA2487981A1 Plastic bag and packaging method using same
12/18/2003US20030232708 Plastic bag and packaging method using same
12/18/2003US20030230052 Plastic bag and packaging method using same
09/2003
09/04/2003US20030165278 Preopened bags for automated baggers and related methods
08/2003
08/28/2003WO2003070584A1 Machine and method of obtaining a large tube which is made from a flexible plastic material and which is folded in the form of bellows
06/2003
06/19/2003US20030113042 Zippered film and bag
02/2003
02/27/2003US20030040412 Plastics packaging
02/26/2003EP1284904A1 Plastics packaging
02/19/2003EP0892714B1 Roll of bags and method and device for producing the same
01/2003
01/30/2003US20030021925 Thermoplastic elastomer films
01/30/2003US20030021500 Method for making a multicompartment thermoplastic bag
01/02/2003US20030004047 Process for collecting bags, device for carrying out the process and chain of bags, as well as chain of stacks of bags
11/2002
11/21/2002US20020170937 Roll mounted t-shirt style produce bag and dispensers for same
11/19/2002US6481594 Roll mounted T-shirt style produce bag and dispensers for same
10/2002
10/31/2002US20020160896 Roll mounted t-shirt style produce bag method for making and dispenser for same
07/2002
07/16/2002US6419392 Web of sterile bags for automatic bagging equipment
12/2001
12/06/2001WO2001092111A1 Plastics packaging
09/2001
09/04/2001US6283633 Interconnected plastic bags charging apparatus and method
05/2001
05/08/2001US6228012 Method of manufacturing interconnected plastic bags with tamper indication strip
01/2001
01/23/2001US6177172 Zippered film and bag
01/02/2001US6168558 Roll of bags and method and device for producing the same
09/2000
09/20/2000CN2396960Y Integral envelope paper folding machine
07/2000
07/18/2000US6090028 Bag and method of making the same
02/2000
02/23/2000EP0980829A1 Method and apparatus for continuously forming, filling and sealing packages while linked together
02/01/2000US6019512 Zippered film and bag
01/2000
01/04/2000CA2102755C Bone-in food packaging article and use
12/1999
12/07/1999CA2168175C Method for stabilizing a plastic zipper during attachment to a film
09/1999
09/28/1999US5957824 Bags and method of making bags
09/14/1999US5952025 Use in microwave cooking constructed of an elongated tube of flexible material closed at the ends by a cold seal closure that cannot be opened without tearing; cooking heat softens seal for easy opening without tearing tube; popcorn
09/14/1999US5951453 Recloseable bag assembly and method of making same
07/1999
07/13/1999US5921390 Continuous roll of plastic bags
06/1999
06/29/1999US5915555 Packaging material, apparatus and method
05/1999
05/11/1999US5902047 Zippered bag and film
03/1999
03/10/1999EP0730524B1 Bags and method of making bags
01/1999
01/27/1999EP0892714A1 Roll of bags and method and device for producing the same
10/1998
10/22/1998WO1998046490A1 Continuous strip of plastic bags
09/1998
09/29/1998US5814382 Bag and method of making the same
07/1998
07/28/1998US5786010 Bag and method of making the same
07/21/1998US5782733 Method for making reclosable bags
02/1998
02/11/1998EP0684923A4 Interconnected plastic bags charging apparatus and method.
11/1997
11/11/1997CA2035574C Method and apparatus for continuosuly forming sealing and filling low density polyethylene bags at high speed
09/1997
09/18/1997WO1997033744A1 Roll of bags and method and device for producing the same
09/17/1997EP0795396A2 Method for manufacturing bags, especially for food or drink
05/1997
05/28/1997CN1034995C Apparatus for heat sealing plastic film layers
03/1997
03/18/1997CA2109910C Maintaining perforation phasing
09/1996
09/11/1996EP0730524A1 Bags and method of making bags
08/1996
08/22/1996DE19505882A1 Foil combination of two connected bags
08/22/1996DE19505880A1 Bag combination made of weldable foil
07/1996
07/30/1996US5540802 Apparatus for heat sealing two superposed layers of plastic film
12/1995
12/12/1995US5474208 Packaging material, apparatus and method
12/06/1995EP0684923A1 Interconnected plastic bags charging apparatus and method
11/1995
11/21/1995US5468333 Apparatus for sealing film webs of a thermoplastic synthetic material
09/1995
09/05/1995US5447486 For making plastic bags
06/1995
06/27/1995US5426918 Packaging material, apparatus and method
06/07/1995CN1103354A Adhesive-applied integrated stationery-envelope and its making method
05/1995
05/23/1995US5417639 Bags and method of making same
05/23/1995US5417638 Method and apparatus for maintaining proper perforation phasing
05/18/1995DE4440309A1 Einhalten einer Perforationssynchronisierung Maintaining a Perforationssynchronisierung
05/13/1995CA2135228A1 Maintaining perforation phasing
04/1995
04/13/1995WO1995009727A1 Bags and method of making bags
02/1995
02/16/1995WO1995004651A1 Plastic bag chain with support means
12/1994
12/27/1994US5376394 Bone-in food packaging article and use field of the invention
09/1994
09/01/1994WO1994019250A1 Interconnected plastic bags charging apparatus and method
05/1994
05/10/1994US5310056 Packaging material, apparatus and method
05/03/1994CA1329175C Self-contained insert mailer
04/1994
04/12/1994US5302402 Bone-in food packaging article
04/12/1994US5301889 Web dispensing apparatus
03/1994
03/08/1994US5292299 Method of producing plastic bags
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