Patents
Sitemap › B31 - Making paper articles; Working paper › B31F - Mechanical working or deformation of paper or cardboard › B31F 1 - Mechanical deformation of paper or cardboard without removing material including combined deformation and laminating
Patents for B31F 1 - Mechanical deformation of paper or cardboard without removing material including combined deformation and laminating (9,445)
02/1982
02/17/1982EP0045883A2 Process for the production of a very thick shaped plastic laminate, apparatus for carrying out said process and plastic laminate so obtained
02/10/1982EP0045714A1 Device for longitudinally creasing paper webs
02/09/1982US4314868 Pretreatment curvature
02/02/1982US4313899 Process for forming laminated paperboard containers
01/1982
01/27/1982EP0044617A1 Process for the preparation of cardboard of the corrugated type
01/27/1982EP0044612A1 Single facer for corrugated board
01/19/1982US4311746 Corrugated paper board
01/19/1982US4311476 Method and apparatus for forming a container for liquids
01/19/1982CA1116368A1 Apparatus and method for embossing web material
01/12/1982US4310375 Lower corrugating roll in a single facer
01/12/1982CA1116067A1 Corrugated cardboard having thermoplastic fibrils
01/05/1982CA1115572A1 Method and apparatus for producing corrugated combined board
12/1981
12/22/1981US4307141 Puffy, absorbent
12/22/1981US4306932 Apparatus for producing a single face coated corrugated pasteboard
12/15/1981US4305771 Applying heat to entire periphery
12/15/1981US4305715 Method and apparatus for forming can end
12/15/1981CA1114411A1 Method and apparatus for folding web material
12/01/1981CA1113218A1 Method of press-forming corrugated paperboard into curved board and apparatus for same
11/1981
11/24/1981US4301911 Apparatus for handling a tubular carton blank
11/03/1981US4297968 Device for spreading paste on paperboard in a corrugated board manufacturing apparatus
10/1981
10/21/1981EP0038237A1 Single face corrugating machine
10/13/1981US4294875 Insulation panel
10/13/1981US4293990 Method of making embossing roll for producing paper towels
10/07/1981EP0037332A1 Double face glueing device for a corrugating machine
10/06/1981CA1110153A2 Method and apparatus for forming multi-flute-layer corrugated board
10/01/1981WO1981002704A1 Procedure and paper machine for manufacturing creped paper web
09/1981
09/23/1981EP0036381A2 Method of forming profiles, especially tubular profiles
09/15/1981US4289820 Fused belt loop strips
09/15/1981US4289492 Creasing rule
09/08/1981US4288278 Apparatus for continuously producing pleated semipermeable membrane elements
09/08/1981US4288273 Method and apparatus for making corrugated board
09/02/1981EP0034906A1 Single facer for making single faced corrugated material
08/1981
08/25/1981US4285764 Method and apparatus for producing corrugated combined board
08/19/1981EP0033988A2 Method of making a pattern densified fibrous web having spaced, binder impregnated high density zones
08/18/1981US4284676 Method and apparatus for flattening wood based panels
08/18/1981US4284465 Apparatus for the manufacture of fibrous sheet structure
08/18/1981US4284445 Detecting correct timing of lot changing
07/1981
07/28/1981US4280978 Process of embossing and perforating thermoplastic film
07/14/1981US4278486 Adhesives, lubricants, curing
07/14/1981CA1104914A1 Method and apparatus for forming multi-flute-layer corrugated board
07/01/1981EP0030948A1 Creping machine and method.
06/1981
06/23/1981US4274905 Apparatus for making reinforced, double faced corrugated board
06/09/1981US4272235 Method and apparatus for folding and sealing a floppy disc envelope
06/02/1981US4270969 Fingerless single facer
05/1981
05/26/1981CA1101719A2 Cushioning dunnage mechanism, transfer cart therefor, and method
05/19/1981US4268341 Zero waste order change system for a corrugator
05/12/1981US4267008 Corrugating machine
05/12/1981US4266998 Method for producing double-faced corrugated boards
05/05/1981US4265697 Spring loaded free floating stripper finger with stabilizer for a web corrugating machine
04/1981
04/29/1981EP0027775A1 Apparatus for guiding web-like material
04/28/1981US4264390 Method and apparatus for making pipe sections in materials
04/14/1981US4261784 Apparatus for manufacturing single-faced corrugated board
04/07/1981US4260442 Method for making an improved variable flute container
03/1981
03/25/1981EP0025759A1 Machine for manufacturing single-faced corrugated board
03/25/1981EP0025711A1 Bag forming apparatus
03/24/1981US4257842 Using cellulose and fibers of a thermoplastic polymer
03/24/1981CA1097875A1 Synthetic resin cured in place rotary embossing counter and method of preparing same
03/18/1981EP0025430A2 Process for producing laminated moulded pieces
03/11/1981EP0024817A1 Single facer for corrugated board
03/10/1981CA1097200A1 Single facer for manufacturing single-faced corrugated board
03/03/1981US4253903 Corrugating machine with air pressure cleaning device for glue roller grooves
02/1981
02/25/1981EP0024137A1 Single facer for corrugated board
02/24/1981US4252591 Corrugating apparatus and process
02/24/1981US4252184 Control of oil distribution in heated embossing rolls
02/17/1981US4251313 Web retaining device for a corrugation machine
02/17/1981US4251312 Apparatus for hemming fabric using a hot melt adhesive
02/10/1981US4249983 Method and apparatus for production of laminated and shaped trim panel of corrugated paperboard base
02/10/1981US4249479 Fluid dispensing apparatus for use with a container assembling machine or the like
02/03/1981US4248657 Apparatus for covering panels with sheet material
02/03/1981CA1094853A1 Method of and apparatus for texturizing untextured dry tissue web
01/1981
01/27/1981US4247277 Cup bead or fill line former
01/27/1981CA1094280A1 Sheet type wallcovering or ceiling covering
01/22/1981WO1981000082A1 Creping machine and method
01/20/1981US4246223 Method and apparatus of making a compartment tray
01/20/1981US4246058 Label matrix stripping
01/20/1981US4245975 Medium retaining device in single faced corrugated cardboard manufacturing machine
01/20/1981CA1093879A1 Forming absorbent tissue paper products with fine mesh fabrics
01/13/1981CA1093448A1 Web guides for corrugator machines and method
01/13/1981CA1093378A1 Method and apparatus for texturing the surface of non- woven fabrics and films
01/06/1981US4242949 Apparatus for making packaging sleeves
12/1980
12/30/1980US4242399 Thermoplastic resin bonding agent
12/30/1980US4242172 Method of press-forming corrugated paperboard into curved board and apparatus for same
12/16/1980CA1091493A1 Method and apparatus for texturing and softening non- woven webs
12/10/1980EP0020083A1 Method and apparatus for embossing
12/02/1980CA1090688A1 Method and apparatus for laminating planar and corrugated surface defining layers of sheet material
11/1980
11/25/1980US4235160 Process for making filter cups
11/12/1980EP0018610A1 Corrugating apparatus and process
11/11/1980CA1089224A1 Wall coverings
11/04/1980US4232074 Reinforced paper product and method for the manufacturing thereof
10/1980
10/14/1980US4228121 Method and apparatus for forming multiple thickness bead
09/1980
09/30/1980CA1086786A1 Paper web retaining apparatus of single facing machines
09/23/1980US4223633 Coating applicator
09/17/1980EP0015609A1 Soft absorbent imprinted paper sheet and method of manufacture thereof
09/02/1980CA1084703A1 Multideck preheater for a machine for making corrugated paperboard
08/1980
08/20/1980EP0014664A2 Method and machine for manufacturing composite articles, especially a tray for conditioning perishable products.
08/19/1980US4217693 Controlled depth scoring tool
08/12/1980CA1083408A1 Compressible sleeve embossing roll
07/1980
07/22/1980US4213817 Apparatus for the production of an electric stack capacitor of metallized synthetic material films
07/22/1980CA1082088A1 Reinforced corrugated paper board and method of producing the same
07/08/1980US4211743 Thermoplastic resins, softening
1 ... 83 84 85 86 87 88 89 90 91 92 93 94 95