| Patents for B65B 31 - Packaging articles or materials under special atmospheric or gaseous conditions; Adding propellants to aerosol containers (7,889) |
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| 11/04/1981 | EP0039056A1 Method of and apparatus for producing vacuum skin packages |
| 11/03/1981 | CA1111808A1 Method for replacing gases in cans and apparatus therefor |
| 10/27/1981 | US4296588 Sealing station of vacuum packaging machines |
| 10/21/1981 | EP0038179A1 Method of packing electronic parts and a pack produced by the method |
| 10/14/1981 | EP0037727A1 Processes for vacuum-sealing packaged products, and vacuum-sealed packaged product |
| 10/14/1981 | EP0037594A2 Method of producing a radiographic film package |
| 10/13/1981 | US4294859 Films, vacuum sealing |
| 10/13/1981 | US4294056 Vacuum packaging machine |
| 09/15/1981 | CA1108993A1 Preservation of oxydation sensitive substances by formation of water |
| 08/06/1981 | WO1981002146A1 Method and means for packing gas containers |
| 07/29/1981 | EP0032820A1 Method and apparatus for producing a sterilised package with a product, and the package produced |
| 06/30/1981 | US4275544 Vacuum packaging method |
| 06/16/1981 | US4272944 Apparatus for continuously wrapping successive articles under vacuum in heat-sealable film |
| 05/19/1981 | CA1101326A1 Textile material treating apparatus |
| 05/19/1981 | CA1101176A1 Method of treating fibrous materials |
| 05/05/1981 | US4265070 Method of and apparatus for packaging |
| 05/05/1981 | CA1100354A1 Method and apparatus for providing a controlled atmosphere around perishable products |
| 04/28/1981 | US4263767 Meat packaging machine |
| 04/21/1981 | US4262472 Gas filling method |
| 03/03/1981 | US4254152 Preserving food products |
| 02/24/1981 | US4251976 Process for packing foodstuffs under vacuum |
| 02/11/1981 | EP0023831A1 Automatic continuous vacuum packaging method and apparatus |
| 02/10/1981 | US4249659 Heat shrunk package |
| 02/10/1981 | US4249583 Device for evacuating air from a container |
| 02/10/1981 | CA1095396A1 Packaging apparatus and techniques for forming closure tops |
| 02/04/1981 | EP0023264A1 Packaging machine |
| 01/06/1981 | US4242852 Device for conditioning and preserving in vacuo plastic-wrapped sterilized products, notably linen, in an autoclave |
| 12/30/1980 | US4241558 Packaging machine |
| 12/30/1980 | CA1092564A1 Method of reducing the flammability hazard of hydrocarbon aerosols |
| 12/23/1980 | US4240242 Sterile capping method for a plurality of I.V. bottles |
| 12/10/1980 | EP0019646A1 Apparatus for closing boxes under vacuum with a lid |
| 12/02/1980 | US4236672 Nozzle for steaming retortable pouches |
| 12/02/1980 | US4236633 Oxidation resistance of (nor)adrenalines, local anesthetics, catalyst for forming water from hydrogen and oxygen |
| 10/28/1980 | US4229927 Process and apparatus for vacuum packing |
| 10/21/1980 | US4228832 Vacuum encapsulating apparatus |
| 09/23/1980 | US4223513 Packaging apparatus for forming specially shaped packages |
| 09/23/1980 | CA1086206A1 Process and apparatus for vacuum packing |
| 09/09/1980 | US4221102 Apparatus for sealing cans with lids under vacuum |
| 09/09/1980 | US4221101 Apparatus for evacuating and sealing bags |
| 09/09/1980 | CA1085356A1 Atmosphere exchanging and bag sealing machine and method |
| 08/05/1980 | CA1083105A1 Method and apparatus for aseptic packaging |
| 07/29/1980 | CA1082593A1 Low temperature vapor phase sterilization and storage of biologically active injectable materials |
| 07/22/1980 | CA1082147A1 Evacuation device |
| 07/15/1980 | CA1081598A1 Method for manufacture of packages |
| 06/24/1980 | CA1080108A1 Packaging method and apparatus for ground coffee or the like |
| 06/10/1980 | CA1079175A1 Vacuum packaging method and apparatus |
| 06/03/1980 | CA1078726A1 Horizontal packaging apparatus |
| 05/20/1980 | US4203299 Apparatus for metering small amounts of a low boiling liquefied gas |
| 05/20/1980 | CA1077901A1 Packaging apparatus and process |
| 05/13/1980 | CA1077390A1 Apparatus for aerating liquids |
| 05/06/1980 | US4201030 Packaging apparatus and techniques for forming closure tops |
| 04/15/1980 | CA1075587A1 Process of packaging edible products |
| 03/19/1980 | EP0008886A1 Method and apparatus for manufacturing packaged beverages and packages manufactured by such method |
| 03/18/1980 | CA1073797A1 Process for packaging food |
| 03/18/1980 | CA1073796A1 Vacuum-packing method and apparatus |
| 02/26/1980 | US4189899 Apparatus for de-aerating and vacuuming packing with tight closing anti-pollution device |
| 02/26/1980 | US4189897 High speed evacuation chamber packaging and clipping machine |
| 02/19/1980 | US4188771 Meat packaging machine |
| 02/05/1980 | CA1071116A1 Fluid displacement of noncondensible gas from voids in products |
| 01/29/1980 | US4185758 Compartmentalized aerosol container |
| 01/29/1980 | US4185441 Packaging station |
| 01/08/1980 | US4182095 Packaging bulk commodities |
| 01/01/1980 | CA1069036A Meat packaging machine |
| 12/25/1979 | US4179862 Vacuum packing machine with bag end retractor |
| 12/18/1979 | US4178929 Dosing device for germ-free measurements and filling of liquid material |
| 12/11/1979 | US4177622 Bag sealing apparatus with bag evacuation means |
| 12/04/1979 | US4176506 Vacuum packing machine with tiltable roller stacking plate |
| 11/13/1979 | CA1066181A1 Vacuum packaging |
| 11/06/1979 | CA1065821A1 Method and apparatus for vacuum packing objects in plastic foil |
| 10/23/1979 | CA1064871A1 Methods of forming evacuated sealed packs, particularly of foods |
| 10/16/1979 | US4170863 Apparatus for the continuous production of packages |
| 10/16/1979 | CA1064442A1 Method and apparatus for packing luxury provisions and food such as, for instance, sausages, fish products, meat articles, and the like, without bubbles or germs |
| 09/25/1979 | US4168598 Vacuum packaging method and apparatus |
| 09/19/1979 | EP0004239A2 Device for the vacuum packaging and preserving in plastic recipients of products, in particular laundry, sterilized in an autoclave |
| 09/18/1979 | CA1062671A1 Method of packaging utilizing pressurized containers |
| 09/18/1979 | CA1062599A1 Package-making method and apparatus |
| 09/11/1979 | US4167092 Sealing device for packaging machine |
| 09/11/1979 | CA1062212A1 Method of vacuum packaging compressible materials and apparatus |
| 08/21/1979 | CA1060860A1 Machine and method for filling, introducing steam into, and sealing flexible pouches |
| 08/14/1979 | US4164111 Vacuum-packing method and apparatus |
| 08/14/1979 | US4164109 Method and device for a tight packing under a thermoplastic and thermoformable film of products requiring an absolute protection |
| 08/14/1979 | CA1060403A2 Method and apparatus for evacuating and closing bags |
| 08/14/1979 | CA1060402A1 Fused bulk packs |
| 07/31/1979 | US4162599 Vacuum packaging |
| 07/24/1979 | US4161857 Freeze drying container with manual stoppering |
| 06/26/1979 | CA1057246A1 Pouch filling under air exclusion |
| 05/29/1979 | USRE30009 Vacuum skin package, and process and apparatus for making same |
| 05/15/1979 | US4154045 Method of packing powder formed products |
| 05/15/1979 | US4154044 Apparatus for sealing cans with lids under vacuum |
| 05/15/1979 | CA1054583A1 Container evacuation process |
| 05/01/1979 | US4152464 Immersion of plastic cups in hot water |
| 04/24/1979 | US4150522 Method for undercap filling of a barrier pack aerosol container |
| 04/10/1979 | US4148933 Preserving food products |
| 04/03/1979 | CA1051782A1 Freeze-drying of solids, liquids or pastes |
| 04/03/1979 | CA1051773A1 Film severing method and apparatus |
| 03/27/1979 | US4146064 Method of reducing the flammability hazard of hydrocarbon aerosols |
| 03/20/1979 | USRE29937 Continuous movement packaging machine |
| 03/13/1979 | CA1050410A1 Gas flushing or filling packaging machine |
| 03/06/1979 | US4142645 Vacuum sealing closure lid for home canning operations |
| 03/06/1979 | US4142303 Freeze drying stoppering apparatus |