| Patents for B29D 22 - Producing hollow articles (3,623) |
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| 09/11/1991 | EP0374147A4 Foam braced packaging and method and apparatus for constructing same |
| 09/11/1991 | CN1054393A Production of ash pail by use of waste tyre |
| 09/10/1991 | US5047101 Method for fabricating an underground storage tank assembly |
| 08/29/1991 | DE4005257A1 Fluid package with grip and prodn. process |
| 08/28/1991 | EP0443369A2 Package for flowable products with reccesses for handling and process for its production |
| 08/14/1991 | EP0440841A1 Process and apparatus for direct gating injection molding |
| 08/13/1991 | US5039836 Radiation manufacturing apparatus and method |
| 08/08/1991 | WO1991011319A1 Pressure vessel made of composite material |
| 08/07/1991 | EP0440550A1 Method for manufacturing containers having a peelable closure |
| 08/03/1991 | CA2035531A1 Process for manufacturing receptacles with peelable closing |
| 07/24/1991 | EP0438352A1 Hollow spheres manufactured in synthetic materials, manufacturing process and application |
| 07/18/1991 | CA2034302A1 Process of fabrication of synthetic material hollow pellets and use thereof |
| 07/17/1991 | EP0436739A1 Vessel lid comprising laminated material |
| 07/11/1991 | WO1991009785A1 Tamper evident caps and methods for producing such caps |
| 07/11/1991 | CA2072365A1 Tamper evident caps and methods for producing such caps |
| 07/02/1991 | CA1285364C Method of forming thermoplastic headed tubular containers |
| 06/27/1991 | WO1991008959A1 Container closure, and method for producing same |
| 06/27/1991 | WO1991008958A1 A container closure and method for producing same |
| 06/26/1991 | EP0433636A2 Process for the production of breast prosthesis |
| 06/26/1991 | EP0433634A1 Method of producing a flowable material package and use of a plastic plate for the production process |
| 06/21/1991 | CA2031278A1 Method of manufacturing a package for flowable media and the use of a synthetic plastics sheet for the manufacturing process |
| 06/18/1991 | US5024715 Method for fabricating secondary containment capsule for underground storage tank |
| 06/18/1991 | US5024210 Water heater construction |
| 06/11/1991 | US5023119 Medical solution container and method of making the same |
| 05/14/1991 | CA2025429A1 Mechanism and method for molding a hollow part |
| 04/03/1991 | EP0419813A1 Control device for machines for making bags |
| 04/02/1991 | US5004572 Method of producing skin tube for annular foam product, and assembly of the skin tube and core structure |
| 04/02/1991 | US5004120 Device to protect the ends of fluid tanks made of composite materials |
| 03/27/1991 | EP0418724A1 Method of manufacturing a container with inner bag |
| 03/26/1991 | CA2026099A1 Apparatus for controlling machines for making bags or sacks |
| 03/26/1991 | CA1281874C Production of multilayer containers |
| 03/21/1991 | WO1991003363A1 Moulding method |
| 03/21/1991 | DE3930388A1 Moulding rubber undercut bellows shapes - by injection moulding preform without undercuts, placing this plus its core tool in final mould, extending core, inflating preform |
| 03/05/1991 | US4997691 Heat resistant and dimensionally stable plastic lamina; foods |
| 02/26/1991 | US4995528 Ribbed storage tank systems with interior wall sections for enhanced strength |
| 02/21/1991 | WO1991001922A1 Vessel lid comprising laminated material |
| 02/20/1991 | EP0413420A1 Spliced air sleeve assembly for air spring damper |
| 02/07/1991 | WO1991001213A1 Procedure and machinery for the production of an assembled object |
| 01/29/1991 | US4988082 Spliced air sleeve assembly for air spring damper |
| 01/24/1991 | DE3922577A1 GRP compressed air container for brakes - consists of sheet-wound cylindrical mid-section with spiral turned grooves in ends glued to press-moulded ends having spiral ribs |
| 01/08/1991 | CA1278657C2 Method for making airspring flex members |
| 12/25/1990 | US4979637 Water heater construction and method of making same |
| 11/28/1990 | EP0399826A1 Containers for liquid |
| 11/28/1990 | EP0399825A2 Manufacture of containers |
| 11/26/1990 | CA2016784A1 Containers for liquids |
| 11/26/1990 | CA2016783A1 Manufacture of containers |
| 11/22/1990 | EP0398827A1 Apparatus for protecting the extremities of a fluid vessel made of composite material |
| 11/06/1990 | US4967539 Method and apparatus for producing liquid filled receptacles |
| 10/30/1990 | US4966544 Injection mold having cooling fins |
| 10/24/1990 | CN1046340A Process for manufacturing cocondensation polyester and uses therof |
| 10/10/1990 | EP0390806A1 The improved method of creating inflatable products |
| 09/26/1990 | CN1045553A Method of making gas-filled annular air-pocket |
| 09/25/1990 | US4958620 Water heater construction |
| 09/11/1990 | CA1273771A1 Method and apparatus for the manufacture of an insulating body |
| 09/07/1990 | WO1990008070A3 Plastic bag |
| 09/05/1990 | EP0385872A2 Sport or leisure balls comprising an external foam layer with an integral skin, and production thereof |
| 08/28/1990 | CA1273175A2 Apparatus for the manufacture of a cup-like article from thermoplastic material |
| 08/23/1990 | DE3904724A1 Process for producing a container from plastic |
| 08/22/1990 | EP0383020A2 Plastic bag |
| 08/14/1990 | US4948107 Pneumatic lift jack |
| 08/07/1990 | CA1272358A1 Synthetic-resin hollow container with grip and method of molding the same |
| 07/26/1990 | DE3901616A1 Process for producing a web of flexible material formed with at least one inflatable chamber, process for producing a packer and a packer |
| 07/25/1990 | CN1008931B Integrated centzifugal pump shell body with plastic lining, their pressurized dies and processings |
| 07/24/1990 | CA1271913A1 Cuvette belts and manufacture of same |
| 07/18/1990 | CN1043900A Steel-wire carcass capsule mould |
| 07/17/1990 | CA1271611A2 Multi-color plastic shells |
| 07/14/1990 | WO1990008070A2 Plastic bag |
| 07/14/1990 | CA2045508A1 Plastic bag |
| 07/04/1990 | CN1008607B Method and device for stamping container |
| 06/27/1990 | EP0374147A1 Foam braced packaging and method and apparatus for constructing same |
| 06/26/1990 | CA1270688A1 Apparatus for making a bag with a bag mouth closure |
| 06/26/1990 | CA1270616A1 Apparatus for preparing a contoured preform |
| 06/20/1990 | CN1008421B Composite helmet and making process thereof |
| 06/19/1990 | CA1270358A1 Manufacturing containers |
| 06/12/1990 | US4933040 Hollow article formed of composite material |
| 06/12/1990 | CA1270265A1 Method for making airspring flex members |
| 06/12/1990 | CA1270214A1 Fiber wound plastic beverage can |
| 06/12/1990 | CA1270107A1 Vertical injection molding machine |
| 05/29/1990 | CA1269558A1 Article forming system |
| 05/08/1990 | US4923081 Storage tanks with fabricated support ribs |
| 04/18/1990 | EP0363918A2 Retortable container |
| 04/11/1990 | CN1007511B Multi-layer synthetic resin jar body and method for manufacturing the same |
| 04/04/1990 | EP0361123A2 Method of making liquid-filled containers from thermoplastics material, and extrusion die therefor |
| 04/03/1990 | US4913765 Apparatus for making bags or sacks from a preferably gusseted continuous tubular film of thermoplastic plastic |
| 03/28/1990 | CN1040742A Making method of medical polyethylene dilating sacculus |
| 03/27/1990 | US4911142 Water heater construction |
| 03/07/1990 | EP0356966A2 In mold sulfonation system |
| 02/28/1990 | CN1006976B Synthetic resin hollow container with handle and its mold forming method |
| 02/27/1990 | US4904512 First synthetic resin layer surrounds second, containers, linings |
| 01/30/1990 | US4896415 Methods for forming containers |
| 01/16/1990 | CA1264469A1 Pneumatic lift jack |
| 01/10/1990 | EP0349674A2 Method for manufacturing a gap pot made of fiber composite |
| 12/19/1989 | US4887765 Fluid pack and process for the production thereof |
| 11/28/1989 | US4883555 Method for forming foam braced packaging |
| 11/14/1989 | US4880233 Game ball |
| 10/24/1989 | US4876052 Method of extruding and compression molding a multilayered article |
| 10/11/1989 | EP0336906A1 An intregated system for the moulding and gluing together of box elements |
| 10/03/1989 | US4871017 Headers for thermoplastic panel heat exchangers |
| 09/26/1989 | US4869369 Foam braced packaging and method and apparatus for constructing same |
| 09/05/1989 | US4863771 Hollow fiber reinforced structure and method of making same |