| Patents for B29L 22 - Hollow articles (5,768) |
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| 10/16/1991 | EP0451757A1 Folding-glueing machine for making packages, having wall for safety and noise insulation purposes |
| 10/09/1991 | EP0450130A1 Blow-molded polyphenylene sulfide articles |
| 10/09/1991 | EP0449805A1 Polymer blends useful for hot fillable containers having improved gas barrier properties |
| 10/08/1991 | US5054272 Method for sealing blow molded bottle |
| 10/04/1991 | EP0457759A4 Method and apparatus for extrusion blow molding polyethylene terephthalate articles. |
| 10/03/1991 | WO1991014563A1 Transparent polyester container |
| 10/02/1991 | EP0449580A1 Transparent polyester container and process for producing the same |
| 10/02/1991 | CN1055045A Cryogen delivery apparatus |
| 10/01/1991 | US5052994 Method of and an apparatus for sealing a liquids package |
| 09/27/1991 | EP0462969A4 Method and system for making a hollow-shaped body from molten resin by injection molding. |
| 09/25/1991 | EP0448229A1 Cryogen delivery apparatus |
| 09/24/1991 | US5051084 Reverse lip blow molding apparatus |
| 09/21/1991 | CA2037548A1 Cryogen delivery apparatus |
| 09/19/1991 | WO1991013750A1 Foamed core-reclaim multi-layer sheet and process for production thereof |
| 09/18/1991 | EP0447349A1 Composite structures molding |
| 09/18/1991 | EP0446521A2 Preform for hot fill pressure container |
| 09/17/1991 | US5049061 Blow-extruder in which the moulds are carried by a vertical wheel |
| 09/17/1991 | CA2054772A1 Foamed core-reclaim multi-layer sheet and process for production thereof |
| 09/17/1991 | CA1288913C Method and apparatus for making a partially crystalline, biaxially oriented heat set hollow plastic container |
| 09/16/1991 | CA2033494A1 Preform for hot fill pressure container |
| 09/15/1991 | WO1991013933A1 Polypropylene foam sheets |
| 09/11/1991 | EP0374147A4 Foam braced packaging and method and apparatus for constructing same |
| 09/11/1991 | EP0371969A4 Blow molded polyethylene terephthalate container having iml textured label wall and method for making same |
| 09/10/1991 | US5047183 Method of injection molding articles of thermoplastic materials |
| 09/10/1991 | CA2035413A1 Composite structures molding |
| 09/03/1991 | US5044922 Apparatus for applying labels in the molds of a plastic blow molding machine |
| 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 |
| 08/28/1991 | EP0442934A1 A method of bloow molding polyamides |
| 08/27/1991 | CA2036753A1 Apparatus for deep drawing an open bowl |
| 08/27/1991 | CA1287958C Apparatus for reducing hollow plastic articles |
| 08/27/1991 | CA1287957C Process for producing hollow bodies of thermoplastic material |
| 08/21/1991 | EP0442836A1 Method and apparatus for the manufacture of containers, such as bottles, made of polyethylene-terephthalate, resistant to relatively severe thermal conditions during their use |
| 08/14/1991 | EP0441199A2 Process for twin sheet forming high heat distortion temperature thermoplastic and articles made therefrom |
| 08/14/1991 | EP0440841A1 Process and apparatus for direct gating injection molding |
| 08/13/1991 | US5039368 Thermoplastic matrix filament winding head |
| 08/07/1991 | EP0440550A1 Method for manufacturing containers having a peelable closure |
| 08/07/1991 | EP0440020A2 Method for producing hollow injection moulded bodies from plastic material and apparatus for carrying out the method |
| 08/06/1991 | US5037684 Blow molded aseptic bottle and method |
| 08/06/1991 | US5036971 Casting in mold containing flexibility diaphragm |
| 08/03/1991 | CA2035531A1 Process for manufacturing receptacles with peelable closing |
| 07/24/1991 | EP0437923A2 Method for the fabrication of composite pressure vessels |
| 07/24/1991 | CN1013259B Method for producing a hot fillable, collapse resistant polyester container |
| 07/17/1991 | EP0437381A1 Mandrel for injection blow-moulding of a hollow article and machine using said mandrel |
| 07/17/1991 | EP0437332A2 Reverse lip blow molding |
| 07/17/1991 | EP0436541A1 Method of making a hollow polyethylene terephthalate blow molded article with an integral external projection such as a handle |
| 07/17/1991 | CN1013180B Apparatus for transporting preformed parts through heating station to wind expanding machine |
| 07/16/1991 | US5031384 Process for the production and packaging of a bag-type dispenser, sub-assemblies and corresponding dispensers |
| 07/09/1991 | CA2033273A1 Reverse lip blow molding |
| 07/03/1991 | EP0435347A2 Blow molding method and apparatus |
| 07/03/1991 | EP0435078A1 Extrusion orifice for producing cored panels |
| 07/03/1991 | EP0435025A2 Apparatus for introducing a gas into the cavity of an injection mould for making hollow plastic bodies |
| 07/03/1991 | EP0424435A4 Process for injection molding and hollow plastic article produced thereby |
| 07/02/1991 | CA1285628C Apparatus for checking hollow glass containers |
| 07/02/1991 | CA1285363C Method for producing tubular plastic 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 | EP0434277A1 Manufacture of thermoplastic tubular articles |
| 06/26/1991 | EP0434276A1 Heatsetting of thermoplastic tubular articles |
| 06/25/1991 | CA1285113C Method and apparatus for injection blow molding pet containers |
| 06/24/1991 | CA2032257A1 Extrusion die for the production of hollow-chamber panels |
| 06/19/1991 | CN1052276A Parison head in multi-layer blow molding machine |
| 06/19/1991 | CA2031798A1 Process and apparatus for forming the edge of containers of synthetic thermoplastic material |
| 06/18/1991 | CA1284968C Accessible electronic media storage case |
| 06/18/1991 | CA1284861C Conductive case using electrically conductive fiber |
| 06/16/1991 | WO1991009732A1 Sulfonated multilayer container and a method for producing the same |
| 06/16/1991 | CA2071813A1 Sulfonated multilayer container and a method for producing the same |
| 06/13/1991 | DE3940497A1 Prodn. of thin-walled bottles - by forming tubing of single or laminated thermoplastic film with suitable dia. neck and welding that to similar dia. neck piece |
| 06/05/1991 | WO1991008247A1 Copolyesters and articles extrusion blow-moulded therefrom |
| 06/05/1991 | EP0430596A1 Parison head for use in a multi-layer blow moulding machine |
| 06/05/1991 | EP0429448A1 Stabilized injection molding when using a common mold part with separate complementary mold parts. |
| 06/05/1991 | CN1051922A Polyester bottles |
| 05/30/1991 | WO1991007271A1 Control device on a plastic injection blow-moulding device |
| 05/29/1991 | EP0429311A2 Polyester bottles |
| 05/29/1991 | DE4002503C1 Hollow injection moulded plastic mouldings prodn. - comprising injecting plastic melt into mould and applying pressurised gas to melt, using variable cross=sectioned mould |
| 05/28/1991 | CA1284412C Tri-injection of hollow articles |
| 05/22/1991 | WO1991007272A1 Method of joining hollow plastics members by fusion |
| 05/22/1991 | EP0427751A1 A polymer composition and a method of producing the same. |
| 05/21/1991 | US5017126 Blow molding apparatus |
| 05/15/1991 | EP0427104A2 Improved blow molding process and compositions |
| 05/14/1991 | CA2025429A1 Mechanism and method for molding a hollow part |
| 05/11/1991 | WO1991007240A1 Container |
| 05/11/1991 | CA2069862A1 Container |
| 05/08/1991 | EP0426096A2 Rotary type injection orientation blow molding machine |
| 05/07/1991 | US5012944 Multi-layered plastic container produced by coextrusion blow-molding |
| 05/07/1991 | CA2029315A1 Blow molding process and compositions |
| 05/02/1991 | EP0424435A1 Process for injection molding and hollow plastic article produced thereby |
| 05/02/1991 | DE3936289A1 Injection mould to make items with voids - which injects e.g. compressed air into shot in cavity by static needle contg. pin adjusted axially to regulate bore cavity |
| 04/24/1991 | EP0423954A1 Thermoplastic matrix filament winding head |
| 04/16/1991 | CA1283064C Container, method, arrangement for manufacturing the same |
| 04/10/1991 | EP0421642A2 Apparatus and method for applying labels in the molds of a plastic blow molding machine |
| 04/03/1991 | EP0419813A1 Control device for machines for making bags |
| 04/03/1991 | EP0419558A1 Biaxially oriented ordered polymer films |
| 04/03/1991 | EP0229845B1 Injection blow molding machine |
| 04/02/1991 | US5004578 Process and apparatus for producing hollow bodies of thermoplastic material |
| 04/02/1991 | US5004572 Method of producing skin tube for annular foam product, and assembly of the skin tube and core structure |
| 03/27/1991 | EP0418724A1 Method of manufacturing a container with inner bag |
| 03/26/1991 | US5002718 Method of blow molding a flat container having portions with greatly varying wall thickness |
| 03/26/1991 | CA2026099A1 Apparatus for controlling machines for making bags or sacks |
| 03/26/1991 | CA2026040A1 Thermoplastic matrix filament winding head |