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| Number | Title | Issue Date |
| 7833006 | Single-sided shuttle-type blow molding apparatus A single-sided shuttle-type blow molding apparatus having an extruder for substantially continuously extruding a thermoplastic material in tubular form at a moldable temperature downwardly along a vertical axis. The apparatus includes a mold having a set of mold par... | 11/16/2010 |
| 7390187 | Blow molding apparatus having raised pinches and compression lands An extrusion blow molded container is provided comprising a closed base, a body portion extending from the closed base having a surface finish that is substantially free of striations, and an open neck portion extending from the body portion. In an embodiment, the c... | 06/24/2008 |
| 7357893 | Method and device for the production and filling of containers In a method for the production and filling of containers (12), at least one tube (3) of plasticized plastic material is extruded into an open mold (6). The tube (3) is bonded at its advancing end on closing the mold (6) to form the... | 04/15/2008 |
| 7335007 | Quick change mold A mold insert set is provided for use with a mold system having first and second mold bodies, the first and second mold bodies aligning opposite each other during a molding process. Each of the mold bodies has at least one insert receiving region for replaceably rec... | 02/26/2008 |
| 7300273 | System for forming a hollow body A system for forming a hollow body may include at least one closing unit positioned beneath the die of a tube extrusion device. The closing unit may include a first vertical closing plate and second vertical closing plate. Specifically, an upper horizontal closing p... | 11/27/2007 |
| 7267541 | Extruder head An extruder head for extrusion blow-molding plastic containers includes a ring gap nozzle with a mandrel and a ring-shaped nozzle body. An elastically deformable sleeve is arranged on an end of the nozzle outlet side and defines a gap width which can be varied by ax... | 09/11/2007 |
| 7267534 | Methods for manufacturing foam material including systems with pressure restriction element The invention provides systems, methods, and articles useful in the production of foams, and, in particular microcellular foams. The systems include a restriction element that reduces the backflow of polymer melt in an extruder while polymeric material is injected i... | 09/11/2007 |
| 7258542 | Mold assembly for blow molding plastic articles and method of use A mold assembly for blow molding plastic articles is provided having an upper mold member, a lower mold member and a lower support member. The lower mold member is preferably a relatively lightweight plate having a generally centrally located molding cavity matingly... | 08/21/2007 |
| 7255827 | Blow cylinder with fluid cushion Novel blow cylinders use a retract fluid at a minimum pressure, located between a piston head and a wall of a cylinder body, to prevent the piston head from violently impacting the wall when the piston head is moved so that a blow needle engages a parison. The retra... | 08/14/2007 |
| 7255320 | Mold for a plastic filter A mold, for molding a cylindrical filter having a narrow-pitched mesh structure through resin injection molding, has a cavity divided into sections radially freely attachable/detachable. The sections of the cavity being formed as stacked assemblies bodies each havin... | 08/14/2007 |
| 7153127 | Method and apparatus for blow molding hollow plastic containers A mold system for blow molding hollow plastic containers includes an extruder for providing a hollow tube of plastic material having a longitudinal axis. Three mold segments include at least two mold segments that are movable against the third mold segment, in direc... | 12/26/2006 |
| 7153128 | Press mechanism, clamp mechanism, and molding machine using this clamp mechanism A thermal pressing machine has a case in which a fixed-side press plate is fixedly provided, a main shaft to which a moving side press plate is attached, a lever arm pivotally attached to the main shaft, a first drive mechanism coupled to a force point at one end of... | 12/26/2006 |
| 7135063 | Resilient biodegradable packaging materials Biodegradable starch-based extruded products and methods of manufacturing those products are provided. In particular, extruded starch products processed by compression, stretching or compression and stretching provide excellent flexibility, pliability, dimensional s... | 11/14/2006 |
| 7108497 | Interchangeable blow mold parison closing apparatus The invention provides a blow mold parison closing apparatus having actuators which are interchangeable. The closing apparatus includes an attachment block having a cylinder body mount and holder/guide support, a pinch bar spaced apart from the attachment block, the... | 09/19/2006 |
| 7101506 | Takeout and transfer apparatus and method for a wheel blow molding machine Apparatus and method for transferring hollow blow molded articles from a vertically disposed wheel blow molding machine to a horizontally-disposed takeaway conveyor. Each mold on the wheel releases multiple blown articles at the six o'clock position on the wheel suc... | 09/05/2006 |
| 7101167 | Method and a device for manufacturing a tool and a tool made by the method A rotary tool such as a helix drill and an end mill for example, is manufactured by forming a blank by an extrusion process, and then sintering the blank. During the extrusion, a mixture is passed through a die which provides a cylindrical shape to the outer periphe... | 09/05/2006 |
| 7097445 | Method and apparatus for making a blow molded fuel tank A fuel tank is formed by a blow molding apparatus and method wherein a blow pin provides pressurized gas into an interior of a parison received in a blow mold so the parison may be blown to shape within the mold cavity. When the blow pin is no longer needed, it is r... | 08/29/2006 |
| 7052645 | Blow molding apparatus and method A blow molding apparatus comprises a base, a blow molding extruder, a carriage, and first and second molding stations. The carriage is movably mounted to the base in a manner such that the carriage is movable along a non-linear path between first and second position... | 05/30/2006 |
| 7033535 | P.E.T. off-center neck bottle and its manufacturing method For the manufacture of a polyethylene terephalate (P.E.T.) bottle with an off-centre neck, a preform is heated and its body is slightly angled with respect to its neck by sideways displacement. The preform is inserted in a blowing mould. A tilted stretching rod is a... | 04/25/2006 |
| 7025924 | Dual container system and method of manufacturing the same There is provided a container system adapted to withstand a single impact or repeated impacts. The container system features a first container having a first container body. The container system further features a second container which has a second container body. ... | 04/11/2006 |
| 7014449 | Process and apparatus for forming dual hose cuffs, hose, e.g. corrugated hose, provided with cuffs, hose cuffs and hose, e.g. corrugated hose, provided with cuffs formed by such process Apparatus and process for forming dual hose cuffs for being split to provide one hose cuff on one length of hose, particularly a corrugated hose, and another hose cuff on another length of hose, particularly a corrugated hose. Cuffs, or hose cuffs, formed by such pr... | 03/21/2006 |
| 7001566 | Blow molding apparatus An apparatus for blow-molding a parison, the apparatus comprising a mold defining a cavity into which a parison may be introduced for blow-molding, a die for extruding the parison into said cavity, and means for blowing a gas around the outside of the parison in sai... | 02/21/2006 |
| 7001547 | Method and apparatus for joining sheet- or ribbon formed flows in a coextrusion process A method and apparatus are described for coextruding two materials A and B, in which B is extruded on A through a port (3), in which the separating wall between the flows of A and B is formed as a flap closure (4) adapted to act as a non-return valve f... | 02/21/2006 |
| 6994821 | Dual parison blow molding and method A vertical rotary blow molding machine with dual cavity molds includes two coextrusion flow heads for extruding multi-layer parisons for capture and blowing in the dual cavity molds. ... | 02/07/2006 |
| 6979188 | Extrusion head for producing a plastic strand in the form of a flexible or rigid tube An exemplary extrusion head for producing a plastic strand in the form of a flexible or rigid tube can be made to communicate with the outlet of an extruder and has a nozzle tool, which includes a mandrel, or core, and a nozzle ring. The mandrel and the nozzle ring ... | 12/27/2005 |
| 6971864 | Device for producing plastic hollow bodies using an extrusion blow molding method An apparatus for producing plastic hollow bodies using an extrusion blow molding process has an extrusion unit, which is mounted in a housing, and at least one blow molding station. The extrusion unit has an extruder and an extruder head, connected to the extruder, ... | 12/06/2005 |
| 6953333 | Extruder head An extruder head for extrusion blow-molding plastic containers includes a ring gap nozzle with a mandrel and a ring-shaped nozzle body. An elastically deformable sleeve is arranged on an end of the nozzle outlet side and defines a gap width which can be varied by ax... | 10/11/2005 |
| 6929462 | Mold part guide mechanism Disclosed is a mold for forming molded products including a guide mechanism for guiding at least one movable mold part into and out of the closed mold forming position with another mold part. In a preferred embodiment, the guide mechanism includes a mount for guidin... | 08/16/2005 |
| 6923637 | Blow molding machine Each of the clamping plates of the closing unit of the blow molding machine has secured thereto a pivotable locking means which in the calibration position in the swung-up state comes into engagement with a plate which is part of the calibration device. A short fric... | 08/02/2005 |
| 6916167 | Method and apparatus for extrusion blow molding of shapes with an even wall thickness and varying radii A method of extrusion blow molding is disclosed; the method allows the finished part to have consistent and even wall thickness within a broad range of local mold radii. This result is achieved without resorting to injection blow molding or other common techniques o... | 07/12/2005 |
| 6916442 | Process and device for the extrusion-moulding of hollow bodies made of a thermoplastic Process and device for the extrusion-moulding of hollow bodies made of a thermoplastic, comprising the extrusion of a tubular parison, its deposition via the use of a robot arm in a preforming device which takes it into a lower part of a mold in which the parison is... | 07/12/2005 |
| 6893602 | Shuttle-type blow molding method and apparatus Shuttle blow molding apparatus having an extruder for substantially continuously extruding a thermoplastic material in tubular form at a moldable temperature downwardly along a vertical axis. A first finite length of the thermoplastic material is grasped by a first ... | 05/17/2005 |
| 6884374 | Suction control in a suction/blowing mold system A plastic hollow preform is drawn through a mold passage formed in a closed mold by applying a generally constant suction to a downstream end of a conduit having an upstream end connected to an output end of the mold passage. A flow cross section of the conduit is v... | 04/26/2005 |
| 6841118 | Mold assembly for blow molding plastic articles and method of use A mold assembly for blow molding plastic articles is provided having an upper mold member, a lower mold member and a lower support member. The lower mold member is preferably a relatively lightweight plate having a generally centrally located molding cavity matingly... | 01/11/2005 |
| 6833103 | Pressless blow molding A blow molding mold has first and second fixtures. The first fixture includes drive means, typically in the form of pins, while the second mold fixture has drive receiving means, typically in the form of holes. When the second mold fixture is in registration with th... | 12/21/2004 |
| 6811390 | Rotary extrusion-blow moulding machine with tilting moulds An extrusion blow-molding machine, including several molding units borne by a carrousel rotating about a substantially vertical axis (A1), wherein each molding unit is mounted on the carrousel such that it can be tilted about a substantially horizontal axis (... | 11/02/2004 |
| 6796785 | Hollow article made of thermoplastic resin, manufacturing method of the hollow article, and manufacturing apparatus of the hollow article An apparatus for manufacture of a hollow article having a configuration in which the wall thickness of each of both end portions changes multidirectionally with extremely high accuracy. The apparatus includes an annular orifice nozzle including a nozzle core and a n... | 09/28/2004 |
| 6793871 | Method and device for producing a large-volume container The invention relates to a method for producing a large-volume cup-shaped or tub-shaped container made of a synthetic thermoplastic material, whereby a compact plastic, flexible hose-type preform (6) is extruded to obtain a given length and the container (... | 09/21/2004 |
| 6773251 | Segmented wheel disk for extrusion blowmolding apparatus A blow molding apparatus comprising a wheel mounted rotationally on a base for rotating a plurality of molds past an extrusion die. The wheel is comprised of a hub mounted to a rotational shaft and a plurality of disk segments mounted about the hub to carry the plur... | 08/10/2004 |
| 6764627 | Method of making corrugated part A method for continuously forming molded parts includes providing an extruder; directing a hollow column of plastic material from the extruder; providing a plurality of die blocks each including planar end segments having differing geometry and joined by the interme... | 07/20/2004 |
