Patents
Patents for B31B 39 - Machinery characterised by making lined envelopes or bags (549)
08/1997
08/21/1997WO1997029966A1 Freezer storage bag
07/1997
07/22/1997US5649767 Baffle liner
07/16/1997EP0783442A1 Container having a rectangular base and its manufacturing
07/15/1997US5647832 Apparatus for manufacturing baffle liners
06/1997
06/04/1997EP0776270A1 A freezer storage bag
05/1997
05/07/1997CN1149027A Liquid container and method of manufacturing same
04/1997
04/23/1997EP0769369A2 Laminated film, method for production thereof, bag and package using the laminated film, and method for separation thereof
04/08/1997US5618255 Method for manufacturing a baffle liner
03/1997
03/12/1997EP0760741A1 Method and apparatus for making a mushroom spawn bag
02/1997
02/24/1997CA2156796A1 Impervious bag or tube
02/05/1997EP0756560A1 Windowed bag and process of making
01/1997
01/15/1997CN1140144A Method and apparatus for continuous production of package blanks
01/09/1997WO1997000768A1 Method of manufacturing flat-bottom bags with a glued-on bottom lining
01/02/1997EP0751081A1 Flexible liquid container and method of manufacturing same
01/02/1997DE19522619A1 Verfahren zur Herstellung von Bodenbeuteln mit Innenriegel A process for producing flat-bottom bags with inner panel
11/1996
11/05/1996US5571361 Apparatus and method for fabricating breather bags
10/1996
10/29/1996US5569145 Method and apparatus for manufacturing a sack bottom
10/03/1996WO1996030199A1 Method and apparatus for making a muschroom spawn bag
09/1996
09/04/1996EP0729828A2 Method and apparatus for the continuous production of package blanks
08/1996
08/27/1996US5549538 Process for manufacturing flap-style square-bottom bags
08/13/1996US5544473 Protective shipping or mailing envelopes and method of making
07/1996
07/25/1996WO1996010524A3 Container having a rectangular base and its manufacturing
07/24/1996CN1127178A Apparatus for production of multi-layered soft tube for making bags
07/16/1996US5536356 Apparatus and method for fabricating breather bags
06/1996
06/25/1996US5529396 Environmentally friendly pinch bottom bag assembly and method of making
04/1996
04/11/1996WO1996010524A2 Container having a rectangular base and its manufacturing
04/11/1996CA2200958A1 Container having a rectangular base and its manufacturing
04/02/1996US5503611 Method for the manufacture of padded mailing containers, and apparatus therefor
03/1996
03/07/1996WO1996006733A1 A freezer storage bag
12/1995
12/28/1995WO1995035243A1 Flexible bag and method for making same
11/1995
11/14/1995US5465842 Composite endless form for making flexible, windowed, form, fill and seal bags
11/02/1995WO1995029095A1 Windowed bag and process of making
11/02/1995CA2188298A1 Windowed bag and process of making
08/1995
08/24/1995WO1995022457A1 Closable bag and method of making same
08/24/1995CA2183460A1 Closable bag and method of making same
07/1995
07/26/1995EP0664208A2 Apparatus for manufacturing a multilayer tube for making bags
06/1995
06/28/1995EP0659152A1 Collapsible bag with evacuation passageway and method for making the same
05/1995
05/02/1995US5410857 Process for making windowed form, fill and seal bags
03/1995
03/29/1995EP0645078A1 Improved bag for the cultivation of mushroom spawn
02/1995
02/05/1995CA2129095A1 Method and apparatus for manufacturing a sack bottom
12/1994
12/27/1994US5376394 Bone-in food packaging article and use field of the invention
11/1994
11/22/1994US5365720 Method of making window bag assembly with high resolution graphic content replicating indicia
07/1994
07/13/1994EP0605787A1 Cushioned mailing bag and method and device for the production of cushioned mailing bags
04/1994
04/12/1994US5302402 Bone-in food packaging article
03/1994
03/30/1994CN2159869Y Making equipment for multi-layer paper bag
08/1993
08/24/1993US5237799 Method for manufacturing containers made of flexible material, having multi-layers or multi-sheets walls and practically aseptic inner surface, as well as containers and packages so obtained
06/1993
06/30/1993EP0549500A1 Sealed, washable sack, manufacturing method and machine to form its base
03/1993
03/30/1993CA2002241C Flexible disposable material for forming a food container for microwave cooking
06/1992
06/03/1992EP0487787A1 A method for manufacturing containers made of flexible material, having multi-layer or multi-sheet walls and practically aseptic inner surface, as well as a continuous band of containers so obtained
05/1992
05/19/1992CA1301206C Bag and tube folding method and apparatus
01/1992
01/29/1992EP0468619A2 Method for producing laminated film
01/14/1992US5080643 Method of making a stand-up plastic bag
12/1991
12/07/1991CA2043961A1 Multiple ply bag with detachable inner seal pouch for packaging products
11/1991
11/06/1991CN2088031U Enveloping machine for plastic drum braiding bad
07/1991
07/16/1991CA1286136C Apparatus for manufacturing air-cushion dispatch packages
06/1991
06/05/1991CN2078229U Multifunctional machine for making reinforced paper bag
06/04/1991US5021039 Mailing bags
05/1991
05/01/1991CN2076016U Movable mould for paper bag making machinery
03/1991
03/06/1991CN2072477U Paper plastic fibre tube compound bag-made machine
03/05/1991US4997416 Method of making a stand-up plastic bag
12/1990
12/05/1990CN2066804U Composite crimp corrector for plastic knitting hobbin material
09/1990
09/04/1990US4954124 Stand-up plastic bag and method of making same
08/1990
08/22/1990CN2060725U Compsite bag and compsite bag machine
06/1990
06/27/1990CN2058665U Machine for making paper bags
05/1990
05/23/1990EP0369192A2 A flexible disposable material for forming a food container for microwave cooking
05/15/1990US4925711 Packaging bag for photosensitive materials and bag-making method thereof
05/02/1990EP0199716B1 Isothermic package
05/02/1990CN2056633U Composite packing bag made of paper and jute, and bagmaking machine
03/1990
03/06/1990US4905453 Method and apparatus for manufacturing nested polyethylene bags
02/1990
02/28/1990CN2053569U Packing bag's weft wiring machine
01/1990
01/31/1990CN2051889U Machine for making lined paperbag
01/30/1990CA1264974A1 Process of manufacturing sacks from synthetic thermoplastic material
01/24/1990CN2051557U Weaving type composite paper bay machine
01/02/1990US4890439 Flexible disposable material for forming a food container for microwave cooking
12/1989
12/27/1989CN2050001U Multi-functional paper bag manufacturing device
12/27/1989CN2050000U Reinforcement packing paper bag machine
11/1989
11/29/1989EP0240827B1 Device for the production of air cushion mailing bags
11/15/1989CN2047627U Annular fortified-bag machine
09/1989
09/27/1989EP0334242A1 Stand-up plastic bag and method of making same
06/1989
06/06/1989US4837849 Stand-up plastic bag and method of making same
05/1989
05/10/1989CN2037307U Special-purpose equipment for clamp ribs paper bag
05/09/1989CA1253756A1 Cat-toilet, foil packaging particularly to be used in connection herewith, and method for producing same
04/1989
04/04/1989US4818328 Process for manufacturing sacks, bags, and the like
01/1989
01/24/1989CA1249158A1 Reinforced plastic bag
01/11/1989CN2030542U Multiple warp and weft combination machine for weaving paper bag
11/1988
11/15/1988US4784083 Foil package and method for producing same
11/02/1988CN88201704U Special apparatus for producing reinforced packing paper bag
10/1988
10/12/1988CN87215557U Cement packing paper sack enhanced by glass yarn and producing machinary therefor
07/1988
07/05/1988US4755064 Isothermic package
05/1988
05/17/1988US4744856 Device for producing paper from which a bag having a waterproof, leakproof bottom may be fabricated, and method for producing said bag
02/1988
02/23/1988US4726169 Process of manufacturing sacks from synthetic thermoplastic material
01/1988
01/19/1988US4720321 Method and apparatus for manufacturing packaging pads
10/1987
10/14/1987EP0240827A1 Device for the production of air cushion mailing bags
01/1987
01/13/1987US4636189 Machine for placing a plastic bag automatically into a larger feedstuff bag
01/06/1987US4634414 Method and apparatus for manufacturing folding paper sacks
12/1986
12/02/1986US4626235 Apparatus for assembling expandable product bags within energy sleeves
11/1986
11/05/1986EP0199716A1 Isothermic package.
09/1986
09/24/1986EP0195221A1 Cat toilet, foil package in particular for use therefor, and method for its manufacture
08/1986
08/28/1986WO1986004777A1 Toilet for cats, in particular a foil package to be used for this purpose, as well as a process for its manufacture
07/1986
07/30/1986EP0189092A2 Method for making bags of thermoplastic material
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