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| Number | Title | Issue Date |
| 7351465 | Polymeric based carpet Polymeric carpet and a method of making and recycling such carpet, the carpet having fibers, backing and extruded adhesive all of completely recyclable materials, the recycling being accomplished in one melting step, without a separation step. ... | 04/01/2008 |
| 7179071 | Compression molding container preforms An apparatus for supplying a mold charge for a mold cavity in accordance with one aspect of the present invention includes a mold charge chamber having a longitudinal dimension and at least two lateral inlets for supplying resin materials to the chamber such that th... | 02/20/2007 |
| 7156647 | Device for cooling and thermal conditioning of a tubular object A device (1) for cooling and/or thermal conditioning of hot preforms or parisons (6), in particular of parisons for the production of blow-moulded bottles made of plastic material, limits and/or reduces the deformations of said parisons during cooling ... | 01/02/2007 |
| 7141192 | Method of making moldings A method of producing a molded article including the step of inserting an expandable and contractible hollow elastic pressing member (2) inside a hollow molded article placed in a drying mold (8) and feeding a fluid in the elastic pressing member (2... | 11/28/2006 |
| 6976004 | Interactive kitchen control system and method A system and method for controlling preparation of a plurality of food items on a cooking apparatus such as a grill. A food order consisting of the plurality of food items is input to a controller which retrieves cooking times for the items from a database. A primar... | 12/13/2005 |
| 6932592 | Metallocene-produced very low density polyethylenes A very low density polyethylene having a density of 0.890 to 0.915 and a Dart Drop value of at least about 450 g/mil or above is disclosed. Gas phase polymerization methods are also disclosed for making very low density linear polyolefins utilizing a metallocene cat... | 08/23/2005 |
| 6723196 | Machine and method for forming a container starting from a reel of material in web form A method for forming a container (7) starting from a web (3) of heat-bondable material wound on a reel (4) comprises the following operations: forming a tubular element (5) of predetermined diameter and height; mounting the tubular elemen... | 04/20/2004 |
| 6555189 | Twin-layer thermoplastic packaging and a process for its manufacture A multi-layer thermoplastic packaging, the outer layer containing at least one filler having particles of different particle size and of a diameter ࣙ50 μm, to give a natural stone external appearance and a process for the preparation thereof which incl... | 04/29/2003 |
| 6276914 | Multiple gating nozzle A method and apparatus for runnerless injection molding of plastic materials utilizing a novel valve stem for controlling the opening and closing of at least two gates in a single injection nozzle The method and apparatus includes at least two separate me... | 08/21/2001 |
| 6244852 | Method of producing a receptacle and a receptacle having pressure compensating openings The receptacle is produced in a coextrusion-type blow molding process and consists of a stiff outer receptacle and an easily deformable inner bag which are made from respectively different thermoplastic materials that do not form a welded joint with one a... | 06/12/2001 |
| 6217819 | Universal single-row and multi-row insert stretch blow molding method and apparatus therefor In a single-row and expandable into a multi-row stretch blow molding method and apparatus, a robot having a universal gripper assembly is used to pick up molded preforms during the clamp opening stroke of a preform-molding unit and then transfer the prefo... | 04/17/2001 |
| 5989482 | Method and apparatus for manufacturing multi-layer bottle A method and an apparatus for manufacturing a multi-layer bottle by discharging an inner layer parison from a multi-layer die head and pinching a lower portion of the inner layer parison by a pinch apparatus; discharging an outer layer parison which is lo... | 11/23/1999 |
| 5988250 | Apparatus for producing containers with a film made of thermoplastic synthetic material An apparatus for producing containers with a film made of thermoplastic synthetic material, having elements for advancing, along an advancement direction, two facing strips of film made of thermoplastic synthetic material; a thermal bonding station includ... | 11/23/1999 |
| 5971740 | Process and apparatus for producing a container A compression mold and blow mold are provided in spaced relationship to each other. A preform is formed from a preform precursor in the compression mold and transferred to a blow mold while maintaining the spaced relationship between the compression mold ... | 10/26/1999 |
| 5792413 | Top cover for instrument panel with seamless air bag door and method of manufacture An instrument panel top cover with a seamless breakaway air bag door made as a unitary composite from multiple layers of plastics by extruding a parison with inner and outer layers of different recyclable plastics having different physical characteristics... | 08/11/1998 |
| 5785920 | Extrusion molding apparatus and method of forming a parison A rod 3 is driven forward to open an annular slit 5 between a die 2 and a mandrel 4 and the molten resin in a resin accumulation chamber 10 is expelled from annular slit 5 to form a parison. In this operation, the die 2 is displaced from an original posit... | 07/28/1998 |
| 5779959 | Process for forming plastic articles A polymer resin extrusion head includes one or more annular extrusion modules in which a spiral channel means having one or more convolutions extends from a resin inlet on the periphery of the module to an annular extrusion outlet. Preferably, the channel... | 07/14/1998 |
| 5667748 | Process and apparatus for multilayer blow molding and articles blow-molded therewith This invention provides a blow molding process for manufacturing multilayer hollow articles having sections different from one another in respect to the kind of resins, number of layers, and thickness of layers along the circumference in the horizontal se... | 09/16/1997 |
| 5599494 | Method of forming a parison having multiple resin layers An apparatus and method forms multiple resin layered parisons that are cooled or blown into bottles. The individual resin layers are injection molded in sequence and the formed parisons are transferred to each cooling and molding station by an axially and... | 02/04/1997 |
| 5573791 | Apparatus for forming a parison having multiple resin layers An apparatus forms multiple resin layered parisons that are cooled or blown into bottles. The individual resin layers are injection molded in sequence and the formed parisons are transferred to each cooling and molding station by an axially and laterally ... | 11/12/1996 |
| 5571470 | Method for fabricating a thin inner barrier layer within a preform A very thin inner layer composed of a polymer chosen for its barrier and/or inertness properties is fabricated within a container preform constructed mainly from another polymer, or a structure of polymers. The inner layer on the preform is produced eithe... | 11/05/1996 |
| 5569473 | Apparatus for forming a recyclable lined container An apparatus for manufacturing a recyclable container includes a mechanism for holding a reusable shell, fitting a liner preform over the reusable shell, and blow forming the liner preform within the reusable shell to provide a disposable liner for the re... | 10/29/1996 |
| 5540878 | Method for producing blow molded multilayer plastic articles A blow molded multilayer plastic article having a large number of layers is formed. First and second diverse thermoplastic streams are extruded into a coextrusion feedblock. In the feedblock the streams are divided into multiple streams and arranged into ... | 07/30/1996 |
| 5460772 | Process for multilayer blow molding This invention provides a blow molding process for manufacturing multilayer hollow articles having sections different from one another in respect to the kind of resins, number of layers, and thickness of layers along the circumference in the horizontal se... | 10/24/1995 |
| 5256051 | Storage head for a blow molding machine The invention relates to a storage head for a blow moulding machine for discontinuous manufacture of multi-layer co-extruded and blow-moulded hollow bodies made of thermoplastic. To improve the product quality and to increase the throughput, each distribu... | 10/26/1993 |
| 5206032 | Apparatus for producing a preform for the manufacture of a hollow body from thermoplastic material An apparatus for producing a preform for the manufacture of a hollow body from thermoplastic material by extrusion blow molding has an extrusion head with a material-storage chamber which can be emptied by a piston to produce the preform. At its periphera... | 04/27/1993 |
| 5188849 | Apparatus for making a multi-layer plastic bottle with a handle The apparatus for making a multi-layer plastic bottle with a handle for holding liquids and the like which includes molds enclosing a hollow parison of molten plastic which is at a blow molding temperature, pinching a portion of the hollow parison as the ... | 02/23/1993 |
| 5186875 | Method of manufacturing of a novel hollow multi-layer article A method of manufacturing a multi-layer hollow article which consists of extruding a multi-layer parison having at least a chief resin layer, a sub resin (barrier) layer, and an adhesive resin layer located between the chief resin layer and the sub resin ... | 02/16/1993 |
| 5149485 | Method and apparatus for extrusion blow molding polyethylene terephthalate articles The present invention is directed to a method and apparatus for extrusion blow molding polyethylene terephthalate articles. Articles produced according to this invention may be monolayer or multilayer; they may be circumferentially or biaxially oriented; ... | 09/22/1992 |
| 5143681 | Extrusion blow molding of multilayer hollow bodies with layer disturbances limited to flash In a process and apparatus for the discontinuous production of preforms for producing hollow bodies from thermoplastic material, the wall of which is a laminate having at least first and second layers, by extrusion blow molding, the flow of material for f... | 09/01/1992 |
| 5141698 | Extrusion blow molding of multilayer hollow bodies with layer disturbances limited to flash In a process and apparatus for the production of hollow bodies from thermoplastic material, having a wall of a laminate formed by at least first and second layers, by means of extrusion blow molding, a preform having a wall structure with a suitable numbe... | 08/25/1992 |
| 5110519 | Process for minimizing disturbance of multi-layer laminate material in extrusion of multi-layer preforms for blow molding of hollow bodies In a process and apparatus for the production of hollow bodies from thermoplastic material, the walls of the hollow bodies are of a laminate structure having at least first and second layers, by means of extrusion blow molding, the pressure within the ext... | 05/05/1992 |
| 5087406 | Method for making a multi-layer plastic container with a handle The method and apparatus for making a multi-layer plastic container with an integral handle for holding liquids and the like by enclosing a hollow parison of molten plastic which is at a blow molding temperature, pinching a portion of the hollow parison a... | 02/11/1992 |
| 5085816 | Process for preparing laminar articles from a mixture of a polyolefin and ethylene/vinyl alcohol copolymers A process for preparing a laminar article with multiple thin, overlapping layers, includes preparing a melted heterogeneous blend of a polyolefin, an ethylene-vinyl alcohol copolymer, and a compatibilizer having a specified level of grafted cyclic anhydri... | 02/04/1992 |
| 5080855 | Method and apparatus for extrusion blow molding polyethylene terephthalate articles The present invention is directed to a method and apparatus for extrusion blow molding polyethylene terephthalate articles. Articles produced according to this invention may be monolayer or multilayer; they may be circumferentially or biaxially oriented; ... | 01/14/1992 |
| 4978290 | Molding device A molding device for manufacturing a multiple layer product includes an extruder for extruding material to be molded, a blow head for receiving the material from the extruders and for supplying the material to a mold, and a passage connected with the extr... | 12/18/1990 |
| 4966543 | Apparatus for forming a vented recyclable multilayer barrier container This relates to blow molded plastic containers wherein at least the body of such containers is of a laminated construction including, for example, a barrier layer which in the case of the container receiving carbonated products would be a gas barrier laye... | 10/30/1990 |
| 4878823 | Apparatus for applying a label to an open mold half This relates to an apparatus for applying labels to inner and outer mold halves of a Ferris wheel type blow molding machine. Most particularly, it relates to the substitution of extensible fluid motors for rotary motors wherein a saving of transverse dime... | 11/07/1989 |
| 4874649 | Process for producing hollow bodies of thermoplastic material In a process for producing a hollow body with a wall which partially comprises foamed thermoplastic material by an extrusion blow molding procedure, a preform which comprises at least first and second layers of which at least one comprises foamable plasti... | 10/17/1989 |
| 4867664 | Extrusion molding equipment for multi-layer parison An extrusion molding equipment for a multi-layer parison which includes an operation position detecting device for detecting an operation position of an accumulator extruding an layer of resin material invisible from outside the parison. A pressure detect... | 09/19/1989 |
