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| Number | Title | Issue Date |
| 7959430 | Device for producing a container The method comprises the following steps: a) the container opening is sealed, b) at least one wall opening is created by drilling through or piercing the wall of the outer container using a drill, graver or needle, a pressurized medium being introduced into the gap ... | 06/14/2011 |
| 7270529 | Apparatus for blow molding A mold assembly for blow molding comprises first and second mating mold components, each mating mold component comprising molding surfaces open to a mating face of the mold component and defining the exterior of an article to be molded from a tubular parison and at ... | 09/18/2007 |
| 7258830 | Method for direct blow molding A method for direct blow molding including steps of: inserting a blowing jig for blowing air into an inside of a prison; locating the two dies to positions so that the two dies face each other across the parison, wherein two dies have a inner space shape, of which o... | 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 |
| 7179073 | Pressure-reducing valve and a controller for a blow-molding machine and method thereof The invention is a pressure reducing valve for reducing the pressure supplied to a head tooling hydraulic positioning valve and a controller for bypassing the pressure reducing valve in a blow-molding machine. A pressure-reducing valve and electrical controller are ... | 02/20/2007 |
| 7179408 | Infinitely variable needle rotation restrictor The present invention is directed to an apparatus mounted to a mold for injecting air into a mold cavity and removing exhaust from the mold cavity. The apparatus includes a needle rotation restrictor adapted to fit into a counter bore of a blow cylinder body, where ... | 02/20/2007 |
| 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 |
| 7150624 | Sealing blade A sealed bottle, a sealing method and an apparatus for blow molded aseptic bottles are disclosed. A sealing tool, having two integral blades, laterally displaces one side against the opposing side of an inflated parison. The sealing tools forms a seal which includes... | 12/19/2006 |
| 7141202 | Method and apparatus for blow molding a bottle with a punched hole in a molded neck recess A method for blow molding bottles having a hole formed in a molded interior recess extending from a top face of a bottle neck includes the steps of: (i) providing a mold having a neck forming cavity with an end flange surface therein; (ii) disposing a parison of mol... | 11/28/2006 |
| 7037101 | Center cylinder ejection assist A method of ejecting containers from a blow mold comprises the steps of: opening a blow mold containing containers, the blow mold comprising a pair of pistons having a head and a heel, an end cap disposed behind the heel, and a pair of ejector rods, each ejector rod... | 05/02/2006 |
| 7021920 | Method and apparatus for blow molding a bottle with a punched hole in a molded neck recess An apparatus for blow molding bottles having a hole formed in a molded interior recess is provided. The apparatus includes a mold having a neck forming cavity having an end flange surface. A recess forming rod is slideable within a hole in the end flange surface fro... | 04/04/2006 |
| 6739858 | Insulated apparatus for injecting and removing compressed air from a cooled mold cavity An apparatus, mounted to a mold, for injecting air into a mold cavity and removing exhaust from the mold cavity, comprising: a blow cylinder body block mounted to the mold having a conduit to the mold cavity, wherein the blow cylinder body block comprises an insulat... | 05/25/2004 |
| 6709261 | Multi-parison/dual cavity wheel blowmolds In blow molding, each mold has two or more cavities, each respectively fed by two or more parisons. Each cavity fed by a separate parison may itself include two or more article cavities aligned with its parison. ... | 03/23/2004 |
| 6537056 | Needle blow nozzle and blow molding apparatus In a conventional needle blow nozzle and blow molding apparatus, because a needle portion is formed to have a linear tip, resistance against insertion of the nozzle into a parison is large and only a small-diameter needle blow nozzle can be inserted into ... | 03/25/2003 |
| 6358462 | Method of manufacturing a liquid cooled blow molded article A method of blow molding a plastic article. A plastic article is blow molded within a mold. The article has plastic parison a wall. The wall is pierced by a first and a second needle or blowing pin. The wall forms a fluid-tight connection between the firs... | 03/19/2002 |
| 6303071 | Method and apparatus for producing a blow molded article Provided is a method for producing blow moldings having a relatively large size through blow molding by use of a simple facility. The method including the steps of feeding a melt parison of crystalline resin into the space between molds, clamping the mold... | 10/16/2001 |
| 6284187 | Blow molding needle for liquid cooling A blow-needle assembly for cooling the blow molded article with a liquid. The apparatus utilizes a mold having a mold surface and a passage therethrough. The passage has a passage wall that acts a one sealing surface. The apparatus using a hollow blow nee... | 09/04/2001 |
| 6048192 | Apparatus for blow molding hollow articles A method and apparatus for blow molding plastic articles which utilizes one or more fixed needles and one or more micro vents associated with a blow mold cavity. Each needle has a first passage associated therewith through which vacuum is supplied to pull... | 04/11/2000 |
| 5939108 | Blow air cylinder for blow-molding hollow container A blow molding method by horizontal blow molding of piercing the wall of a parison having been extruded by an extruder with a blow nozzle is disclosed, which comprises moving forward the blow nozzle to pierce the parison, introducing blow air at least in ... | 08/17/1999 |
| 5925306 | Method of manufacturing an air cushion An air cushion having smooth exterior surfaces is produced by extruding a material film defined by upper and lower surfaces secured together by a plurality of spaced ribs. The film is clamped between a shaping mold and a needle having a plurality of air h... | 07/20/1999 |
| 5895667 | Device for injection molding articles of plastics material which contain hollow spaces A device for injection molding articles of plastics material having hollow spaces. The device includes a molding tool with a mold cavity. Plastics material melt is fed to the mold cavity through a nozzle. Another pressurized medium is supplied to the mold... | 04/20/1999 |
| 5863489 | Method of blow-moulding A parison 4 of hot thermoplastics material is delivered into a mould 1 comprising two mould halves 2, 3 which are closed towards one another. A stress force is applied to the wall of the parison 4 either by a projection 5 extending from one of the mould h... | 01/26/1999 |
| 5851479 | Method and apparatus for blow molding hollow articles A method and apparatus for blow molding plastic articles which utilizes one or more fixed needles and one or more micro vents associated with a blow mold cavity. Each needle has a first passage associated therewith through which vacuum is supplied to pull... | 12/22/1998 |
| 5824350 | Device for molding or injection-molding polymer compounds, and mold accessories A mold for molding or injection-molding polymer compounds, having at least one mold ancillary unit, in particular an ejector device (10), preferably an ejector pin, and/or a core pin device is distinguished by the fact that the mold ancillary device (10) ... | 10/20/1998 |
| 5795533 | Method and device for the manufacturing of hollow articles made from thermoplastic material by blow moulding The invention concerns the manufacture of hollow plastic articles by inflating a preform (4) in a blowing mandrel. The aim of the invention is to reduce the so-called cycle time--the time interval between a preform (4) entering the blowing mould (1, 1') a... | 08/18/1998 |
| 5759475 | Method for blow-molding hollow container and blow air cylinder A blow molding method by horizontal blow molding of piercing the wall of a parison having been extruded by an extruder with a blow nozzle is disclosed, which comprises moving forward the blow nozzle to pierce the parison, introducing blow air at least in ... | 06/02/1998 |
| 5565165 | Method for blow molding hollow articles In a blow molding process, a fused thermoplastic polymer parison is interposed between a pair of split molds. The split molds are closed around the parison to seal the ends. A small diameter hollow needle is inserted through one of the split molds and flu... | 10/15/1996 |
| 5466141 | Device for injection molding articles of plastics material which contain hollow spaces A device for injection molding articles of plastics material having hollow spaces. The device includes a molding tool with a mold cavity. Plastics material melt is fed to the mold cavity through a nozzle. Another pressurized medium is supplied to the mold... | 11/14/1995 |
| 5454707 | Non-scuffing, non-sticking blow core for stretch blow molding machines The tip of the blow core on a stretch blow molding machine is slightly smaller in diameter than the neck of the preform into which it is inserted such that during both insertion and withdrawal there is no physical contact between the core and the preform.... | 10/03/1995 |
| 5453001 | Molding tool with blowing device A molding tool has a mold cavity provided with a recess with a blowing needle guiding seat. Located in the blowing needle guiding seat is a tapered hole in which the blowing needle is movably received to carry out the blowing process. The blowing needle i... | 09/26/1995 |
| 5385466 | Thermoplastic container injection blow molding apparatus A face block (10) for an injection blow molding machine of the type used in producing thermoplastic containers. The face block has a lateral series of openings (14) extending axially therethrough, and each opening receives an end portion of an elongate tu... | 01/31/1995 |
| 5364252 | Gas injector with retractable nozzle for assist of plastics injection molding A gas injector having a retractable nozzle with linear gas feed passage therethrough for a gas assist plastics injection molding machine. The injector interfaces with the injection molding tool and has a nozzle with a tip that, in a forward position, prot... | 11/15/1994 |
| 5336072 | Pressurized fluid assisted injection molding apparatus A nozzle arrangement for a fluid assisted injection molding apparatus has a central passage connected to an injection molding machine at one end and a section of the passage forming an outer sleeve at its opposite end. A channel at the opposite end of the... | 08/09/1994 |
| 5223073 | Apparatus for forming cells in continuous strips, particularly for packaging suppositories and the like The apparatus includes advancement clamps which move two mutually facing films along an advancement direction on which the following are arranged in sequence: two welding half-molds, which by mutually welding the two films in preset regions define cells w... | 06/29/1993 |
| 5162230 | Arrangement for introducing a gas into the cavity of an injection mold for producing a hollow plastic body An arrangement introduces a metered volume of gas into a cavity filled with a melt of plastic. The cavity is defined by an injection mold for producing a hollow plastic body and the injection mold has an injection channel for introducing the molten plasti... | 11/10/1992 |
| 5078948 | Arrowhead tip blow needle and method of using the needle to blow mold an article An apparatus for producing a blow-molded article including a mold having operable die pieces and a passage through at least one of the die pieces for receiving the needle. The needle includes a tubular portion and a cutting tip atop the tubular portion. T... | 01/07/1992 |
| 4968242 | Apparatus for tandem molding of plastic containers Apparatus is provided for expanding an earlier-extruded portion (42) of extruded plastic tubing (38) or plastic parison (41) into a first container (96a), for expanding a later-extruded portion (43) of the extruded plastic tubing (38) or parison (41) into... | 11/06/1990 |
| 4954310 | Tandem molding of plastic containers Apparatus and method are provided for expanding an earlier-extruded portion (42) of extruded plastic tubing (38) or plastic parison (41) into a first container (96a), for expanding a later-extruded portion (43) of the extruded plastic tubing (38) or paris... | 09/04/1990 |
| 4950153 | Blow molding apparatus A blow molding machine having a mold cavity, a blow needle bore opening into the cavity with a blow needle in the bore, a vacuum source for drawing blow air from a molded article and an exhaust passage extending from the blow needle bore to the source for... | 08/21/1990 |
| 4946366 | Needle assembly for blow molding aseptic bottles A blow pin assembly for use in blowing aseptic bottles includes a hollow blow needle and a sterile air system for maintaining the sterility of the needle tip.... | 08/07/1990 |
