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| Number | Title | Issue Date |
| 7803311 | Air recirculation in a blow molding process A device for molding a container from a thermoplastic material in which a heated parison is pre-blown by supplying low-pressure blowing air from a low-pressure air supply and then the blow molding is completed by subsequent supply of high-pressure blowing air and in... | 09/28/2010 |
| 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 |
| 7264458 | Process and apparatus for forming medical device balloons Medical device balloons are formed from a tubular parison by a process or apparatus which establishes a controlled location (initiation zone) on the parison where radial expansion is initiated. Initiation within the initiation zone is achieved by heating the parison... | 09/04/2007 |
| 7172405 | Metal mold device for blow molding Fluid flow grooves (11) with a flat cross section being formed between the back surface of a metal mold (2) for blow molding and a back-up member (4) which adheres tightly to this back surface. A plurality of these fluid flow grooves (11)... | 02/06/2007 |
| 7172721 | Thermoplastic molding process The invention provides a novel thermoplastic molding process useful in the manufacture of hollow, deformable thermoplastic articles such as hollow doll heads. In the process of the instant invention, a parison is formed at a first injection station and is transferre... | 02/06/2007 |
| 7141190 | Biaxially oriented hollow thermoplastic bodies and improved method for sterilization A process of molding thermoplastic preforms into bottles and similar containers wherein pressurized liquids, such as water, are used in the stretching and shaping process instead of pneumatic gases, such as heated air. The result is greater control over the crystall... | 11/28/2006 |
| 7108041 | Hollow nickel shapes by vapor deposition A method and apparatus for producing a nickel shape or shell employs nickel vapor deposition onto the inside surface of a closed, multi-part mandrel. The closed multi-part mandrel eliminates the need for a separate deposition chamber and the nickel vapor deposition ... | 09/19/2006 |
| 7097446 | Blow-molded container and closure, and method and apparatus for making same A blow-molded plastic container and reinforced lid are simultaneously produced in a blow mold. A lid is reinforced by having a portion of the lid formed by blow molding techniques and another portion of the lid formed by compression molding techniques. The container... | 08/29/2006 |
| 7069635 | Methods and devices for the production of a pipe from biaxialy oriented thermoplastic material having an integrated socket A method for forming an integral socket to a pipe made from biaxially oriented thermoplastic material is described. The pipe has a pipe body and is provided, at one or both ends, with an integral socket. The biaxially oriented thermoplastic pipe is subjected to a so... | 07/04/2006 |
| 7044057 | Fabrication of printed dining plates A method of fabricating a formed object, comprising the steps of printing a desired high quality photo or near photo like image on a forming material at a resolution substantially equal to the resolution of an original digital image used to form the high quality ima... | 05/16/2006 |
| 7037099 | Device for blow-molding containers The device serves for the blow molding of containers that comprise a thermoplastic material, wherein the device has at least one blowing station with at least one blow mold. The blow mold is formed from at least two blow mold segments that are supported by supports,... | 05/02/2006 |
| 7004745 | Stretch blow molding machine having improved control of the stretch rod A machine for making thermoplastic containers by stretching and blowing a preform including at least a stretch rod which is slidably controlled along its axis by an actuator from a retracted position to a stretching position to stretch the preform during the blowing... | 02/28/2006 |
| 7005094 | Method and systems for in-mold labeling of irregularly shaped products The present invention provides a method for use in forming an irregularly shaped part using in-mold labeling which includes receiving at least one of text and image information at a first computing unit. A mold is formed using a mold cutter controlled by a second co... | 02/28/2006 |
| 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 |
| 6582649 | Parsion stabilizing method and system therefor for blow-molding machine A forced exhaust pipe is connected to an exhaust pipe connected with a cross head so that a negative pressure may be formed within an air passage so as to effect rapid control of air pressure (amount) within a parison, thereby stabilizing the air pressure... | 06/24/2003 |
| 6423253 | Method and installation for making containers by blowing thermoplastic blanks The invention concerns a method whereby in an installation (1, 2, 3) for making containers (200, 300) by blowing blanks (400), for example thermoplastic preforms, the high pressure fluid derived from degassing a container is re-used and injected (14) into... | 07/23/2002 |
| 6406288 | Apparatus for extrusion molding utilizing clamping devices and means for releasing compressed air An apparatus for extrusion molding that includes an extruding die that permits extrusion of a material into a hollow tubular molding, a molding die, first and second clamping devices and a device for releasing compressed air. The first and second clamping... | 06/18/2002 |
| 6395217 | Extrusion molding process and the related apparatus An extrusion molding process including the steps of: i) extruding a material through an extruding die into a tubular molding, ii) driving two clamping devices to clamp the tubular molding at different elevations, causing an air-tight space to be formed wi... | 05/28/2002 |
| 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 |
| 6284171 | Blow molding process A blow molding process in which a gas is blown into a parison within a mold to inflate the parison, the parison makes intimate contact with a mold shaping portion to form a hollow molded product, and the gas within the hollow molded product is discharged ... | 09/04/2001 |
| 6217817 | Method for blow-molding tube container A blow molding method for molding tube containers by introducing blow air into a parison having been extruded by an extruder is disclosed, which comprises introducing blow air into the parison to shape a tube container and form a discharge outlet in part ... | 04/17/2001 |
| 6183683 | Method and apparatus for transporting plastics in a melted state A method and apparatus is provided to transport parisons from the extrusion die to a second location. The parison is extruded and a collar means is provided to contact the parison near its upper end and create a holding geometry whereby the parison is ret... | 02/06/2001 |
| 6117386 | Centering perfusion delivery catheter and method of manufacture A method and apparatus for manufacturing a centering, perfusion catheter balloon. A mold member is formed having an axial aperture. A plurality of axially spaced sets of transverse holes through the mold member. Each set of holes includes one or more hole... | 09/12/2000 |
| 6027683 | Extrusion molding process and apparatus An extruded tubular molding is clamped at upper and lower portions thereof to form an air-tight space therebetween and thereafter compressed within two corresponding halves of a molding die and molded into the configuration of a final product. The lower p... | 02/22/2000 |
| 5891386 | Method for making catheter balloons A method and apparatus for forming perfusion balloons from thermoplastic materials. A helical member having a cross section corresponding to a desired perfusion channel cross section is placed in a tubular mold in contact with the mold wall. A thermoplast... | 04/06/1999 |
| 5874141 | Injection/blow molded plastic container and method A plastic container is formed by injection and blow molding wherein the injection molded body has an annular shoulder, an upper neck and a bottom wall with a central flat portion of substantially the same thickness as the wall of said body. An enlarged an... | 02/23/1999 |
| 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 |
| 5770135 | Process for producing permeation resistant containers The present invention discloses an improved process for producing plastic containers with excellent resistance to permeation by solvents such as hydrocarbons, hydrocarbon fuels, and hydrocarbon fuels with organic additives including lower alkanols and eth... | 06/23/1998 |
| 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 |
| 5730914 | Method of making a molded plastic container A polyethylene terephthalate (PET) preform (11) having a capped cylindrical body (13), a threaded top and a collared neck (19) is preheated to soften the PET. The preform (11) is placed in a split mold (26) whose walls (27,29) are heated to a temperature ... | 03/24/1998 |
| 5700498 | Molding apparatus Apparatus for blow-molding an article curved in three dimensions comprises two horizontally movable mold parts which, when in contact with each other, define a mold cavity curved in three dimensions to match the required article. An extrusion head extrude... | 12/23/1997 |
| 5681629 | Process for the manufacture of an article comprising a surface treatment step in the substantial absence of oxygen The invention relates to a process for the manufacture of an article comprising a surface treatment step of at least part of the article in the substantial absence of oxygen; the surface of the article which is to be treated consists of a material which c... | 10/28/1997 |
| 5681520 | Method of molding large containers by the process of stretch blow molding There is provided a method of molding a large container including the steps of preparing a preform from an injection-molded, thick-wall, closed-end parison by repeatedly and intermittently applying an air blow pressure to the parison and releasing the air... | 10/28/1997 |
| 5648026 | Multiple utilization of blow-mold air The procedure serves the purpose of molding a container from a thermoplastic material. After a temperature treatment a moldable object is fed to a blow station, which has a blow mold that is provided for the purpose of contouring the container. The temper... | 07/15/1997 |
| 5585066 | Multiple utilization of working air The procedure is designed for the pneumatic operation of a device in which at least one structural element is pneumatically actuated. The actuation is done by primary working air, which is fed to the pneumatic structural element from a primary working-air... | 12/17/1996 |
| 5567371 | Blow molding and fluorination process for the production of hollow bodies from thermoplastic materials and products so made In a process for the production of a hollow body such as a fuel tank from thermoplastic material, the wall thereof is subjected to a two-step treatment to influence the permeation properties of the material. In the first treatment step the wall is subject... | 10/22/1996 |
| 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 |
| 5540879 | Method and apparatus for manufacturing biaxially oriented, thermally stable, blown containers A method of producing a blow-molded PET container suitable for hot-filling includes the steps of injection molding a preform, blow-molding the preform into a primary molded article larger than the desired final container, heating the primary article in a ... | 07/30/1996 |
| 5522961 | Method of construction of a balloon catheter The method of manufacturing a polyurethane balloon catheter from a length of tubing of such material wherein the tubing is placed in a mold of the desired final expanded shape, the mold and tubing are immersed in a bath of warm water, and air pressure is ... | 06/04/1996 |
