Patents for B29L 22 - Hollow articles (5,768)
11/1981
11/24/1981EP0034158A4 Multi-layer article and method of making same.
11/17/1981US4300880 Orientation-blow molding equipment and jig used therefor
10/1981
10/20/1981US4295573 Method of obtaining a seal upon the interior surface of a container closure and resulting product
10/13/1981CA1110587A1 Flexible collapsible container and method of molding
09/1981
09/01/1981CA1108042A1 Pressure roll and method for jacketing steel pipes with thermoplastic strip
08/1981
08/26/1981EP0034267A1 Machine for producing blown hollow plastic articles
08/26/1981EP0034158A1 Multi-layer article and method of making same.
08/25/1981US4286000 Plastic preform
08/12/1981EP0033489A1 Machine for producing blown hollow plastic articles
08/06/1981WO1981002135A1 Machine for the production of plastic blown hollow bodies
08/06/1981WO1981002134A1 Machine for manufacturing hollow bodies of plastic material by blowing
08/06/1981WO1981002133A1 Apparatus for preparing a parison and transferring it to a molding machine
07/1981
07/14/1981US4278417 Internally locked core centering mold assembly
07/08/1981EP0031673A2 Method of obtaining a seal upon the interior surface of a container closure
06/1981
06/25/1981WO1981001679A1 Blow molding machine
06/03/1981EP0029639A1 Plastics container, method of forming same, a preform for use in forming the container and a mold unit for forming the preform
05/1981
05/12/1981US4267080 Polyethylene composition for rotational molding
05/06/1981EP0027914A1 An oriented Plastics preform for making an open mouth container
04/1981
04/29/1981EP0027575A2 Apparatus for controlling the production rate of an extruder
04/28/1981US4264558 Method of producing plastic containers for storage of goods under pressure
04/15/1981EP0026895A1 Apparatus for producing containers by stretch-blowing plastics parisons
04/15/1981EP0026828A1 Device for influencing the weight of a hollow thermoplastic body produced by the extrusion-blowing method
03/1981
03/17/1981US4256687 Process for producing molded articles
02/1981
02/05/1981WO1981000230A1 Multi-layer container and method of making same
02/03/1981US4248583 Blow-molding unit for synthetic plastic materials
01/1981
01/14/1981EP0022343A1 Blow moulding method and apparatus
01/06/1981US4243627 Polyvinyl chloride, polyvinyl alcohol, extrusion
01/06/1981US4243620 Method of manufacturing an object in plastics material and object obtained thereby
11/1980
11/11/1980US4233010 Orientation-blow molding equipment
10/1980
10/29/1980EP0018058A2 Container preforms of nitrile thermoplastic material
10/01/1980EP0016101A1 Method for obtaining a one piece cast hollow body by blowing
08/1980
08/26/1980US4219526 Method of blow-molding hollow shaped articles, including intermediate tempering and final biaxial stretching stages
08/12/1980CA1083301A1 Napkin-bearing diapers and napkin diapers
07/1980
07/29/1980US4214860 Apparatus for blow molding hollow articles, in particular bottles
06/1980
06/03/1980CA1078568A1 Blow-molding unit for synthetic plastic materials
05/1980
05/27/1980CA1078122A1 Method of blow-molding hollow shaped articles, including intermediate tempering and final biaxial stretching stages
05/13/1980CA1077217A1 Method of manufacturing an object in plastics material, apparatus for carrying out the method and object obtained thereby
05/06/1980CA1076767A1 Method and apparatus improvements in temperature conditioning parts
05/06/1980CA1076764A1 Extendible porous core rod or pin and process and apparatus for using same
03/1980
03/19/1980EP0008964A1 Process for obtaining a hollow body in one piece by blow-moulding, and hollow body obtained
03/11/1980US4192935 Ethylene polymers of high melt index
03/06/1980WO1980000326A1 Method for obtaining a one piece cast hollow body by blowing
03/04/1980US4191231 Flexible collapsible containers, and method of molding
01/1980
01/22/1980CA1070074A1 Method and apparatus for manufacturing a plastic tube blank
12/1979
12/11/1979US4178200 Pressure roll for jacketing steel pipes with thermoplastic strip
11/1979
11/13/1979US4174043 Irradiation polymerization
10/1979
10/30/1979US4172873 Impinging hot gas on rotating bottles and sleeves
10/17/1979EP0004722A2 Process for the manufacture of multilayer containers
09/1979
09/18/1979CA1062416A1 Apparatus for the manufacture of a blown plastic tube blank with closed bottom
07/1979
07/31/1979CA1059589A1 Apparatus for changing the direction of a three-phase pipe-type gas-pressurized electrical cable
05/1979
05/30/1979EP0002121A1 Nitrile containers and process improvements for forming same
05/08/1979CA1053864A1 Process and moulds for moulding of plastic articles
04/1979
04/03/1979US4147748 Hollow articles from plasticized materials
02/1979
02/20/1979CA1048725A1 Machine for producing hollow plastic articles with blowing mould closing unit
10/1978
10/24/1978US4122147 Thermoplastics, compression molding
10/10/1978US4119450 Method for making a sanitary product
09/1978
09/12/1978US4113901 Spraying, sealing
08/1978
08/22/1978CA1037094A1 Filler plug
07/1978
07/11/1978USRE29696 Apparatus improvements in temperature-conditioning parts
05/1978
05/30/1978US4092097 Apparatus for blow-molding hollow articles, in particular bottles
04/1978
04/18/1978US4085177 Vacuum molding
04/11/1978US4083910 Two half molds, pivoting and translational movement
11/1977
11/22/1977US4059723 Apparatus for changing the direction of a three-phase pipe-type gas-pressurized electrical cable
10/1977
10/11/1977US4053084 Filler plug
09/1977
09/06/1977US4046498 Apparatus for blow-molding hollow articles, in particular bottles
12/1976
12/21/1976US3998576 Machine for producing blown hollow plastic articles
10/1976
10/26/1976US3988191 Process for preparing a vessel from thermoplastic resin plate
06/1976
06/01/1976US3960630 process and apparatus for the production of wound sandwich structures
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