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Felix Hoffmann, a German chemist, was searching for something to relieve his father's arthritis. In doing so, he "rediscovered" acetylsalicylic acid and in 1900, patented a stable process for developing it. Hence, we have aspirin.
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| Number | Title | Issue Date |
| 7455513 | System for creating blow molded case A blow molded case is disclosed generally comprising a double wall, blow molded base portion having inner and outer case walls, and a lid portion connected to the base portion such that the lid, when in a closed position, at least partly covers the inner case wall o... | 11/25/2008 |
| 7441486 | Bottle trimmer and method Apparatus for trimming plastic from blow molded one-bottle or two-bottle logs during movement of the logs on log holders moving along a conveyor path extending from an inlet end to an outlet end. The apparatus includes a frame and, connected to the frame, a log conv... | 10/28/2008 |
| 7367795 | Injection mold having a wear resistant portion and a high heat transfer portion Disclosed is a preferred mold design for producing plastic, injection molded preforms, which may be blow-molded into a container of a final, desired shape. A preferred mold includes a combination of hardened material components and high heat transfer material compon... | 05/06/2008 |
| 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 |
| 7244388 | Process for producing hollow bodies of thermoplastic material and apparatus for same The invention concerns a process and an apparatus for producing hollow bodies of thermoplastic material by means of extrusion blow molding. A tubular preform of plasticised material is expanded beyond parts of a blow molding mold enclosing it, by means of increased ... | 07/17/2007 |
| 7229587 | Blow molded container having holes therein and method and apparatus for facilitating the creation thereof A method and apparatus for facilitating the creation of holes in a blow molded container is disclosed generally comprising first and second mold portions mounted adjacent each other along a seam and a mechanism for creating holes at the seam. In some embodiments, fi... | 06/12/2007 |
| 7178562 | Pellet transfer apparatus and method An apparatus for transferring a mold charge pellet to a molding machine having a mold with a mold cavity includes a hub rotated about an axis, at least one arm extending generally radially from the hub to rotate with the hub around the axis, and a cam system extendi... | 02/20/2007 |
| 7150625 | Method and system for forming a hole through a blow molded article A blow molding system for forming a hole through a blow molded article includes a mold that houses an outer core pin and a pin support. During the blow molding process, a compression area is created in the mold. After the compression area is formed, the outer core p... | 12/19/2006 |
| 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 |
| 7124673 | Horizontal cutter of double-bodied bottles attached to each other at the neck A horizontal cutter of double-bodied bottles attached to each other at a neck which comprises means (2) for advancing the bottles (3) and a cutting device (1) of the neck of the bottles. The cutting device (1) comprises a pair of blades (... | 10/24/2006 |
| 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 |
| 6966764 | Method and apparatus for positioning a top block assembly and neck finish components of a blow molding machine A top block assembly for a container blow mold system is provided together with a method of positioning the neck finish components of the assembly with respect to the front face of a top block half. A method and assembly for positioning a top block half with respect... | 11/22/2005 |
| 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 |
| 6896507 | Mold design with improved cooling A mold is provided for use with a wheel-type blow mold machine, the mold being one of a plurality of molds for locating in a circular pattern on a wheel of the blow-mold machine and having a longitudinal direction for aligning tangentially with a circumferential dir... | 05/24/2005 |
| 6824732 | Blow pin assembly A blow pin assembly is provided for inflating a parison and forming the neck portion of a plastic container in a blow molding apparatus. The blow pin assembly is mountable to a blow rod. It includes a blow pin body including an exterior surface having a tapered port... | 11/30/2004 |
| 6730261 | Processes for producing hollow molded articles The blow-molded articles having an open end is produced by the steps of; setting a resin parison in cavity formed by a pair of metal mold members, blowing a pressurized gas into the resin parison to form an intermediate molded article, and cutting a predetermined pa... | 05/04/2004 |
| 6719554 | Method and apparatus for in mold trimming A method of trimming blow-molded products while in the mold including the steps of placing a parison between a mold having two mold halves, moving the two mold halves together to form a cavity and enclose a portion of the parison, pressurizing the inside of the pari... | 04/13/2004 |
| 6685873 | Method for progressively separating integrally attached gutter flash from an in-mold blow-molded thermoplastic resin product A production method is disclosed for separating integrally attached gutter flash from a blow-molded thermoplastic resin product utilizing tensile forces applied to the gutter flash while the product is fully restrained within the closed co-operating produ... | 02/03/2004 |
| 6660217 | Blow molding method A blow molding method for forming a hollow resin product comprises a parison extruding step, a protrusion abutting step and a confronting rod abutting step. In the extruding step, a parison is extruded from a die head towards a position interposed between... | 12/09/2003 |
| 6551544 | Shuttle blow molding method and apparatus Extrusion blow molding apparatus (10) having a body mold (12) for forming a body portion (B) of a blow molded container (C) from a blowable, extruded thermoplastic parison (P). The blow molding apparatus also has a neck mold (14) for forming an annular fi... | 04/22/2003 |
| 6536616 | Container neck finish and method and apparatus for forming same and cap for use thereon The neck of a container has a smooth seal surface engaged by the inner skirt or plug of a cap. Such surface is free of trim and parting line flaws which are characteristic of blow-molded jars because the surface is formed in such a way that the seal surfa... | 03/25/2003 |
| 6360414 | Rotary deflashing apparatus An apparatus for deflashing plastic blow molded articles is disclosed. The apparatus includes feed screw which engage one side of the container to move the container. A nesting wheel and a trim wheel are rotated in opposite directions to bring trim tools ... | 03/26/2002 |
| 6358037 | Flash removal apparatus A flash removing apparatus is provided which has a pair of blades driven by an actuator through a linkage assembly, simultaneously and in opposite directions, between a bottle receiving position and a closed position to aid in removing flash from a plasti... | 03/19/2002 |
| 6334766 | Takeout apparatus for shuttle-type plastic blow moulding machines A take-out system for a shuttle-type blow moulding machine having two moulding assemblies has a single gripper head for taking out moulded articles from both moulding assemblies. The gripper head is carried by a vertical gripper arm which can be raised an... | 01/01/2002 |
| 6311593 | Post molding inner diameter neck trimming apparatus An apparatus for trimming the neck of a blow molded plastic bottle in which a reverse punch is mounted on an end of a shaft. A knife is also mounted to the shaft adjacent to the reverse punch and includes a cutting edge recessed from the cutting edge of t... | 11/06/2001 |
| 6241111 | Container neck finish and method and apparatus for forming same and cap for use thereon The neck of a container has a smooth seal surface engaged by the inner skirt or plug of a cap. Such surface is free of trim and parting line flaws which are characteristic of blow-molded jars because the surface is formed in such a way that the seal surfa... | 06/05/2001 |
| 6238201 | Multilayer container package molding apparatus A multilayer container including an outer relatively rigid plastic layer having a body portion, a finish defining an opening and a base having an atmospheric vent opening therethrough. The container includes an inner flexible plastic layer of relative thi... | 05/29/2001 |
| 6227838 | Molding machine for producing plastic hollow bodies A molding machine for producing plastic hollow bodies and including at least one extrusion die, an injection plunger element for delivering plasticized plastic material to the at least one extrusion die, two blow mold halves arranged between the extrusion... | 05/08/2001 |
| 6190590 | Apparatus and method for making flanged graft for end-to-side anastomosis A method and apparatus for forming a flanged polytetrafluoroethylene cuffed section from a tubular polytetrafluoroethylene graft. The flanged polytetrafluoroethylene graft is well suited for use as a distal bypass graft, for arteriovenous grafting, or as ... | 02/20/2001 |
| 6158317 | Post molding inner diameter neck trimming apparatus An apparatus for trimming the neck of a blow molded plastic bottle in which a reverse punch is mounted on an end of a shaft. A knife is also mounted to the shaft adjacent to the reverse punch and includes a cutting edge recessed from the cutting edge of t... | 12/12/2000 |
| 6036469 | Quick change system for interchanging molds on extrusion blow molding machines A quick change system and method of interchanging molds on plastic extrusion blow molding machines is disclosed wherein a universal standard subplate is provided for use with different blow molding machines on which a variety of different mold units are r... | 03/14/2000 |
| 6003699 | Container neck finish and method and apparatus for forming same and cap for use thereon The neck of a container has a smooth seal surface engaged by the inner skirt or plug of a cap. Such surface is free of trim and parting line flaws which are characteristic of blow-molded jars because the surface is formed in such a way that the seal surfa... | 12/21/1999 |
| 5894024 | Adjustable, pinch-off neck assembly A pinch-off neck assembly for use in a container blow mold system. The assembly includes a base having a parting face and portions defining a recess in the parting face. An insert is received in the recess and the insert includes an insert parting face wh... | 04/13/1999 |
| 5849342 | Calibrating unit for a blow molding machine A method of controlling a blow molding machine from a completion of production of one product to a start of production of a next product comprises controlling a temperature of a resin within the blow molding machine, controlling an operation of devices fr... | 12/15/1998 |
| 5840350 | Modified plastic bottle injection blow-molding apparatus and method In an injection blow-molding process the preform is purposely formed as a smooth walled tube closed at one end and without any thread or other cap attachment configuration about the mouth of the preform. The preform is moved to the bottle mold which compl... | 11/24/1998 |
| 5795598 | Assembly for inflating a parison and forming the neck of a plastic bottle An assembly for inflating a parison and forming the neck portion of a plastic container in a blow molding machine is provided. The assembly includes a blow rod, a blow pin mounted to the blow rod, and a heat sink for removing heat from the blow pin. The h... | 08/18/1998 |
| 5749275 | Apparatus for trimming the neck of blow molded plastic bottles and method An apparatus and method for trimming an inner ring from the neck flange of a blow-molded plastic bottle by extending a reverse punch having a lead end and a trailing end larger than the lead end into the bottle through the flange opening, elastically bend... | 05/12/1998 |
| 5698236 | Apparatus for in mold trimming An apparatus for trimming blow-molded products while in the mold including the steps of placing a parson between a mold having two mold halves, moving the two mold halves to form a cavity and close a portion of the parison, pressurizing the inside of the ... | 12/16/1997 |
| 5682804 | Apparatus for trimming the neck of blow molded plastic bottles and method An apparatus for trimming a ring from the neck of a blow molded plastic bottle includes a reverse punch for cutting a ring from the neck and positioning the ring on the punch shaft and a ring stripper for cutting one side of the ring on the punch shaft an... | 11/04/1997 |
| 5664471 | Apparatus for trimming the neck of blow molded plastic bottles and method An apparatus for trimming a ring from the neck of a blow molded plastic bottle includes a reverse punch for cutting a ring from the neck and positioning the ring on the punch shaft and a ring stripper for cutting one side of the ring on the punch shaft an... | 09/09/1997 |
