Patents for B29K 21 - Use of unspecified rubbers as moulding material (3,603)
10/1989
10/03/1989US4871259 Rubber-like material kneading apparatus
10/03/1989US4871004 Pneumatic tires
09/1989
09/27/1989EP0333755A1 Method of agglomerating and dewatering polymeric materials
09/19/1989US4867926 Method for manufacturing oil seal
09/19/1989US4867823 Method and apparatus for the butt-end joining of lengths of rubberized fabric
09/13/1989EP0332449A2 Strip-like reinforcing laminates and pneumatic tires using the same
09/06/1989EP0330811A2 Method and apparatus for working elastomeric masses, in particular plastic, rubber or a mixture thereof
08/1989
08/30/1989CN1035079A Improvements in or relating to extrusion apparatus
08/29/1989EP0316309A4 Method of making a belt.
08/29/1989CA1258757A1 Extrusion head
08/24/1989WO1989007428A1 Banded collagen condoms and method and apparatus for banding same
08/23/1989EP0329589A2 Rubber containing aramid pulp reinforcement
08/22/1989US4859074 Closed mixing machine
08/16/1989EP0327731A2 Plug-resistant arch-vent for a tire mold
08/15/1989US4857397 Tire coating composition and use for curing tires
08/15/1989US4857248 Method of manufacturing cosmetic puff and manufacturing framework for use in the method
08/09/1989EP0326957A2 Method and apparatus for vulcanising vehicle tyres
08/09/1989CN1034504A Multi-roll coating and lining calender for manufacturing composite band of plastic or rubber film and reinforcing textile band
08/02/1989EP0325706A2 Multi-roll coating and laminating calender for the production of composite bands consisting of a plastic or rubber foil of a reinforcing textile band
07/1989
07/25/1989US4850839 Extrusion apparatus
07/18/1989US4848720 Device for producing annular-shaped polymer articles
07/11/1989US4846649 Center mechanism in tire vulcanizing machine
07/11/1989CA1257190A1 Process for the production of a profiled panel containing at least two layers
07/05/1989EP0322999A2 Heat riveting rubber for effecting a mechanical lock
05/1989
05/24/1989EP0317318A2 Method of manufacturing pneumatic tire
05/24/1989EP0316309A1 Method of making a belt.
05/24/1989CN1033024A Process and extrusion nozzle system for producting belt profile of tread of tyre made of more than one components of rubber
05/23/1989US4832780 Rubber-covered cord units joining machine
05/23/1989US4832588 Crosshead extruders
05/10/1989EP0314900A2 Process and calender system for producing profiled strips for tyre treads composed of several rubber components
05/10/1989EP0148834B1 Method and apparatus for making braided reinforced hose
05/09/1989US4828471 Tire curing mold
04/1989
04/25/1989US4824499 Method for production of gas-pervious composite film
04/25/1989US4824357 Apparatus for manufacturing seal components
04/25/1989US4824349 Apparatus for controlling transportation of cured tires
04/18/1989US4822671 Bonding rubber to reinforcing member
04/18/1989US4822266 Slide falling prevention device in a tire vulcanizer
04/12/1989EP0311550A2 Mold vent plug
04/12/1989EP0311061A2 Composition for the surface treatment of rubber
04/12/1989EP0310966A1 Additives coadjuvating the detaching from the molds of rubbers vulcanizable by means of peroxides
04/05/1989EP0309673A2 Method of ultrasonic splicing tire tread strip edges
03/1989
03/29/1989CN1031964A Process and equipment for producing continuously sizing material
03/28/1989US4816198 Process for curing thick-walled articles
03/28/1989CA1251775A1 Aqueous silicone emulsions as bladder lubricants
03/21/1989US4813919 Toothed belt manufacture
03/08/1989EP0305692A2 Process for the continuous production of rubber mixtures and other filler-containing polymer-based mixtures
02/1989
02/16/1989EP0286635A4 Method and apparatus for applying contoured elastic to a substrate.
02/14/1989US4804318 Vertically opening and closing type tire vulcanizer
02/08/1989EP0302602A2 Extrusion apparatus
02/08/1989EP0302597A2 Gas-pervious composite film and method for its production
02/07/1989US4802938 Process for producing hoses
02/01/1989CN1030720A Manufacturing technology of fibre wound coreless rubber pipe
01/1989
01/24/1989US4800059 Process and apparatus for loading a tire press
01/24/1989US4799871 Unloader mechanism for use with a vulcanizing machine
01/18/1989EP0299904A1 A method of manufacture of tires and apparatus therefor
01/10/1989CA1248464A1 Formable and curve shape retentive hose and method for making
01/03/1989US4795603 Method for producing composite material of plastic and rubber
01/03/1989US4795331 Mold vent plug
01/03/1989US4795329 Apparatus for injection molding tire treads
01/03/1989US4795125 Mold or die assembly
01/03/1989CA1247822A1 Method for improved metal adhesion and metal adhesion retention
12/1988
12/21/1988CN87104523A Rubber sponge liner and its manufacturing method
12/20/1988CA1246945A1 Reinforcing cord with wrap-around wire
12/07/1988EP0294337A1 Variable-rigidity extrudate obtained by continuous extrusion, and method and apparatus for producing this extrusion
11/1988
11/23/1988EP0148177B1 Method and apparatus for extruding reinforced hose
11/22/1988US4786346 Method for applying contoured elastic to a substrate
11/08/1988CA1244296A1 Process for preparing free flowing polymer pellets
11/02/1988EP0289469A2 Machine for vulcanizing tires with devices for collecting and unloading the tire being treated
11/02/1988CN88102246A Slide falling prevention device in tire vulcanizer
11/01/1988US4781560 Apparatus for reducing wastage in a multiple-head extrusion device
10/1988
10/26/1988EP0287806A1 Rubber compositions modified with hydroxy-benzimidazole oxides
10/25/1988US4780225 Lubricant and use thereof for curing tires
10/25/1988CA1243460A1 Injection molding machine
10/19/1988EP0287495A2 Process and apparatus for injection molding tire treads
10/19/1988EP0286851A1 Rubber compositions modified with benzimidazolinones
10/19/1988EP0286635A1 Method and apparatus for applying contoured elastic to a substrate.
10/19/1988CN87107005A Method for producing composite material of plastic and rubber
10/18/1988US4779206 Apparatus and process for vulcanizing, adjusted for green tire temperature, without locating point of least cure
10/18/1988CA1243294A1 Shut-off wedge for shut-off valve
10/18/1988CA1243167A1 Apparatus for forming a co-extrusion from extruded strips
10/18/1988CA1243157A1 Method for lubricating tire-molding bladders
10/18/1988CA1243156A1 Tire mold
10/11/1988US4776269 Method of agglomerating and dewatering polymeric materials
09/1988
09/27/1988CA1242362A1 Aramid fibre-polymer mixtures and process for production
09/21/1988CN87102408A Double-colour rubber plate production method by means of rubber pulp-prepainting
09/20/1988US4772194 Tire vulcanizing moulds
09/08/1988DE3706387A1 Short-stroke element
09/06/1988US4768535 Device for the cooling of large, rubber-coated tanks with liquid nitrogen
08/1988
08/30/1988US4767481 Process for making a tire having decorative applique
08/30/1988US4766676 Dryer for drying extrudable materials
08/16/1988US4764101 Apparatus for monitoring the production of elongate profiles
08/10/1988EP0277558A2 Method and device for making rubber mixtures
08/09/1988US4762870 Tires, hoses, belts
08/09/1988US4762589 Method of making a tubular rubber product having a polyamide or polyester resin layer
08/09/1988CA1240107A1 Tire press mechanism and method of making tires
08/02/1988US4761446 Rubber compositions modified with benzimidazo-linones
07/1988
07/26/1988CA1239518A1 Conditioning process of a block or channel shaped element for its layering with a permanent adhesive, davice for said process, and conditioned product thus made
07/19/1988US4757972 Fast thermal response mold
07/13/1988CN87107354A Process and equipment for vulcanization of laminar rubber products
07/05/1988US4755245 Method for conditioning a permanent adhesive composition in the form of blocks or sections
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