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| Number | Title | Issue Date |
| 8012402 | Tube expansion process for semicrystalline polymers to maximize fracture toughness Methods of fabricating a polymeric stent with improved fracture toughness including radial expansion of a polymer tube along its entire length at the same time and fabricating a stent from the expanded tube are disclosed herein. ... | 09/06/2011 |
| 7981356 | Stretch blow moulding method and apparatus A method and apparatus for stretch blow moulding a preform into a desired article is disclosed. The method includes the steps of inserting the preform into a hollow mould, stretching the heated preform with a stretching member, filling the preform with an incompress... | 07/19/2011 |
| 7275781 | Fluid forming of oriented thermoplastics The invention provides a method of forming structural components for automotive vehicles from elongated tubular blanks. A longitudinally oriented tubular blank comprised of a thermoplastic material is provided. The tubular blank is fluidformed in a fluid forming cav... | 10/02/2007 |
| 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 |
| 7026377 | High performance fiber reinforced thermoplastic resin, method and apparatus for making the same A process for producing a fiber-reinforced molded article and the resulting article such as a cantilevered battery tray. In the process, thermoplastic material in its solid state having a melt flow index above 25 g/10 minutes is fed into a suitable processing machin... | 04/11/2006 |
| 6997336 | Plastic cafare A plastic carafe includes a body portion having an enclosed base defined by a plurality of upstanding posts and a plurality of panels separating the posts from one another. The carafe further includes a neck portion having a blown finish at the top of the carafe tha... | 02/14/2006 |
| 6979420 | Method of molding balloon catheters employing microwave energy An apparatus for molding balloon catheters is disclosed. The balloon may be molded by providing a polymeric tube within a mold having an interior cavity in the shape of the desired balloon. Microwave energy, which may be generated by a gyrotron, may then be directed... | 12/27/2005 |
| 6875396 | Hot fill container A PET hot fill bottle (2) has a neck (3) and a body (4). It is stretched and blown into a cavity (14), with internal pressure holding the body against the cavity. During a first period, the cavity is heated to 100° to 160° C. for betwee... | 04/05/2005 |
| 6855289 | Method and apparatus for cooling during in-mold handle attachment Method and apparatus for in-mold handle attachment, wherein a portion of a blow-molded container is formed about a retaining member on a handle during blow molding. After forming the container portion about the retaining member, a cooling medium is directed at the l... | 02/15/2005 |
| 6841117 | Wide mouth blow molded plastic container, method of making same, and preform used therein A wide-mouth plastic container is formed from a preform that is blow-molded to form an intermediate container article that has blown threads located below a moil. The moil is severed above the blown threads to yield the finished container. A preform and process for ... | 01/11/2005 |
| 6514451 | Method for producing plastic containers having high crystallinity bases A method for producing a heat set plastic container including: providing a mold cavity having sidewall surfaces and base surfaces; providing a plastic preform within the mold cavity; expanding and stretching the preform into conformity with the sidewall s... | 02/04/2003 |
| 6485670 | Blow molding method for producing pasteurizable containers A method for producing a biaxially oriented, heat set plastic container, including the steps of providing a plastic preform within a mold cavity; expanding and stretching the plastic preform into conformity with the surfaces defining the mold cavity to fo... | 11/26/2002 |
| 6485669 | Blow molding method for producing pasteurizable containers A method for producing a biaxially oriented, heat set plastic container, including the steps of providing a plastic preform within a mold cavity; expanding and stretching the plastic preform into conformity with the surfaces defining the mold cavity to fo... | 11/26/2002 |
| 6461547 | Method of cryogenic stretch blow molding A method of stretch blow molding a plastic parison mounted to a parison engagement assembly into a container including stretching the parison by sliding the stretching rod therethrough and into the parison, connecting the cooling fluid inlet port to the s... | 10/08/2002 |
| 6428735 | Method for making a carbonated soft drink bottle with an internal web and hand-grip feature A machine and method for blow molding a polyester bottle for carbonated beverages with an internal web structure positioned between two hand-grip depressions. The machine and method uses an injection-molded preform having a web feature and maintains the w... | 08/06/2002 |
| 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 |
| 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 |
| 6228317 | Method of making wide mouth blow molded container A wide-mouth plastic container is formed from a preform that is blow-molded to form an intermediate container article that has blown threads located below a moil. The moil is severed above the blown threads to yield the finished container. A preform and p... | 05/08/2001 |
| 6168414 | Apparatus for cryogenic stretch blow molding A cryogenic stretch blow molding apparatus including a stretching rod mounted to a blow mold rod seal assembly for sliding movement therethrough, into and longitudinally stretching a plastic parison, the stretching rod including a cooling fluid tube defin... | 01/02/2001 |
| 6143234 | Apparatus and method for cooling plastic containers An improvement for a stretch blow molding apparatus, including a cryogenic liquid pulse pump disposed in sealed fluid connection between a cryogenic liquid reservoir and a stretch blow molding machine, a subcooler connected between the reservoir and the p... | 11/07/2000 |
| 6099789 | Molded article laminated with heat insulating sheet member and production process therefor A molded article includes a hollow molded body formed of a base material and a heat insulating sheet member laminated to an outer surface of the hollow molded body. The base material is a blended material which contains about 50% by weight to about 90% by... | 08/08/2000 |
| 5866061 | Method of manufacturing containers for dispensing solutions Method of manufacturing containers for dispensing solutions, includes the steps of: (a) extruding a parison from a die while injecting supporting air into the parison, and sealing a forward part of the extruded parison; (b) forming a middle portion of the... | 02/02/1999 |
| 5851478 | Molding method and cooling apparatus for pressure resisting bottles of synthetic resin A biaxially stretched blow molded bottle of a synthetic resin having a big foot type petaloid bottom is produced in a blow time of not more than 3 seconds, and after the bottle has been released from the mold, the temperature of the bottom portion of the ... | 12/22/1998 |
| 5786444 | Treating method for improving the strength of molded products of a thermosetting resin A treating method for improving the strength of molded products. Molded products of a thermosetting resin containing a phenol resin as a main component are taken out of a mold of an injection molding machine, and then immediately immersed in water or expo... | 07/28/1998 |
| 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 |
| 5650204 | Polyester bottle and method of removing adsorbates on the bottle The refillable polyester bottle of the invention has a mean crystallinity of 32 to 70% at the bottle body, a methanol adsorption of 1,500 ppm or less at the same portion and a paraxylene adsorption of 300 ppm or less at the same portion. Therefore, the bo... | 07/22/1997 |
| 5645779 | Molding part of thermoplastic resin and method of fabricating same A protector made of thermoplastic resin to which a foaming agent is added is adapted such that no foams are present in the thermoplastic resin forming a predetermined volume area including lock portions mounted on a protector body for integrating the prot... | 07/08/1997 |
| 5585125 | Molding method and cooling apparatus for pressure resisting bottles of synthetic resin In order to improve the productivity of pressure-resisting bottles by reducing the blow time from 4-5 seconds in a conventional bottle molding method to not more than 3 seconds, and mold pressure resisting bottles free from the occurrence of crazing and b... | 12/17/1996 |
| 5498390 | Production of hollow articles from thermoplastics For the production of hollow articles from thermoplastics, such as wide-necked vessels, bottles and the like, an amorphous parison is injection-molded, warmed to a temperature above the glass transition temperature of the plastic, placed in a mold and str... | 03/12/1996 |
| 5498150 | High thermal capacity mold assembly A mold assembly has a mold part with a plurality of elongated cavities therein forming the outer wall of a molded part and wherein a fluid cooled core is inserted within each of the elongated cavities having an outer surface forming the inner wall of the ... | 03/12/1996 |
| 5447667 | Method and device for the blow moulding of hollow bodies from thermoplastic material A method for blow molding a hollow body from thermoplastic material, including the steps of providing a blowing nozzle with a mechanical device for stirring. A thermoplastic parison is located within a mold. At least one pressurized gas is injected throug... | 09/05/1995 |
| 5411698 | Process and apparatus for blow mold annealing and subsequently heat treating thermoplastic articles A process and apparatus for annealing and heat treating biaxially oriented articles is disclosed, particularly blow molded articles prepared from preforms which are simultaneously annealed using warm fluid in a first segmented mold. The blown article is t... | 05/02/1995 |
| 5292466 | Process for the production of barrier layers for admixtures of polar and non-polar materials on the inner surface of hollow molded parts made of thermoplastics For purposes of producing barrier layers on the surfaces of thermoplastics, the surfaces are exposed to a treatment gas containing fluorine. The barrier layers are effective against mixtures of polar or non-polar substances such as, for instance, fuels co... | 03/08/1994 |
| 5290506 | Process of injection stretch blow molding hollow article having thick-walled bottom An injection stretch blow molding process forms a hollow article having a thick-walled bottom wall by regulating the bottom region of an injection molded preform to a temperature lower than that of a barrel preform portion at a blow molding station. In th... | 03/01/1994 |
| 5229043 | Blow molding method and apparatus employing pressurized liquid cryogen vaporized by recovered gaseous cryogen An article is formed in a mold by blowing a hot plastic material with a blowing gas. A cooling fluid is introduced into the article to cool the article and allow its removal from the mold. A warmed gaseous form of a cryogen is added to a pressurized liqui... | 07/20/1993 |
| 5205885 | Process and apparatus for the production of tighthead drums and widemouth drums A process for the production of tighthead drums having dimensional stability of the injection molded lids and blow molded drum bodies, comprises blow molding double drum bodies from plastic and centrally separating them into two drum bodies. Tighthead lid... | 04/27/1993 |
