Bizarre Patents
A banana protective device for storing and transporting a banana carefully.
PatentStorm News
Make the Most of Our Site
See this month's Top Inventors and Most Cited Patents.
Stay on top of the latest innovations by subscribing to an RSS feed.
Registered users: Manage your profile.
| Number | Title | Issue Date |
| 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 |
| 7384260 | Pinch bar and parison separation method A parison pinching and separating system for attaching to first and second mold halves is disclosed. Each mold half has first and second cavities. The system includes a first pinch bar for attaching to the first cavity of the first mold half, a first pinch bar for a... | 06/10/2008 |
| 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 |
| 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 |
| 7090791 | Extrusion molding process A molding process is disclosed in which an extruded column of plastic is introduced into a mold cavity having a predetermined surface profile. A region of negative air pressure is created inside the mold cavity, exterior to the extruded column. The negative air pres... | 08/15/2006 |
| 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 |
| 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 |
| 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 |
| 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 |
| 6848896 | Height adjusting device for adjusting the height of a blow mandrel A device for adjusting the “vertical” position of a blow mandrel (10) of a blow molding machine provided to be moveable up and down on a blow mandrel carrier (11) associated with the machine frame of the blow molding machine, upon which at least tw... | 02/01/2005 |
| 6759003 | Blow molding method, blow molded product and blow molding mold Blow-molding molds 10 and 20 having parison shutters 31 and 32 for preventing an inflation of the parison 3 toward the outside of the molds 10 and 20 are used in a blow-molding method of the present invention. In othe... | 07/06/2004 |
| 6733272 | Molding unit comprising improved compensating means and extrusion-blow molding machine equipped therewith The invention proposes a molding unit comprising a mold in two parts, each mold-half (12) being borne by a support (17), of the type in which the two supports can be moved between an open position and a closed position, in which the supports are connec... | 05/11/2004 |
| 6659750 | Blow mold with removable inserts A mold is provided for forming molded parts having flash seams which are moved to inconspicuous locations. The mold, which is typically used to make blow molded parts, includes two or more mold blocks and removable inserts which allow relocation of flash ... | 12/09/2003 |
| 6558609 | Blow molding machine and a method of blow molding a hollow article A blow molding machine capable of relatively high production rates at relatively low cost is provided. The blow molding machine comprises a base, a reciprocating shuttle mechanism supported by the base, a single blow molding station supported by the base,... | 05/06/2003 |
| 6551092 | Parison separation assembly A separate parison separation assembly for each parison in a multiple parison blow molding apparatus. Each assembly has a shear plate secured in a recess machined into the mold in order to provide a positive and repeatable location of the shear plate. The... | 04/22/2003 |
| 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 |
| 6244852 | Method of producing a receptacle and a receptacle having pressure compensating openings The receptacle is produced in a coextrusion-type blow molding process and consists of a stiff outer receptacle and an easily deformable inner bag which are made from respectively different thermoplastic materials that do not form a welded joint with one a... | 06/12/2001 |
| 6238200 | Sizing device for plastic blow molding machines A sizing device adapted for automatic blow mandril adjustment for plastic blow molding machines is provided with at least blow mandril having a blow nozzle and a cutting edge and forming a module with a blow mandrel carrier. The blow mandril is guided in ... | 05/29/2001 |
| 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 |
| 5962039 | Simultaneous filling blow molding apparatus A cross head mounted at an end portion of an extruder for extruding a parison between a pair of elements of a metallic mold and a filling nozzle lifting apparatus having a filling nozzle are provided in parallel, and opening and closing of the metallic mo... | 10/05/1999 |
| 5799809 | Blow molded container and blow mold thereof A blow molded container of the present invention is a container formed by blow molding in which a single-layer or multi-layer parison comprising a cylindrical resin material is heated and inflated by air in a mold, wherein a bottom sealing portion formed ... | 09/01/1998 |
| 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 |
| 5792413 | Top cover for instrument panel with seamless air bag door and method of manufacture An instrument panel top cover with a seamless breakaway air bag door made as a unitary composite from multiple layers of plastics by extruding a parison with inner and outer layers of different recyclable plastics having different physical characteristics... | 08/11/1998 |
| 5787772 | Trim cutter method and apparatus for blow molded articles A head trimmer machine for cutting off excess material from a cylindrical portion of a blow molded bottle includes a fixture, a spindle rotatably mounted in the fixture, a cutting head attached to the spindle for rotation therewith, a cutter mounted to th... | 08/04/1998 |
| 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 |
| 5629032 | Blow-molding apparatus A pair of shear steels are carried by companion mold members. Each shear steel including a shearing edge and a sealing rim, is slidable along a path perpendicular to the axis of a blow pin and to the open-close path of the mold members. The shearing edges... | 05/13/1997 |
| 5603249 | Trim cutter apparatus for blow molded articles A head trimmer machine for cutting off excess material from a cylindrical portion of a blow molded bottle includes a fixture, a spindle rotatably mounted in the fixture, a cutting head attached to the spindle for rotation therewith, a cutter mounted to th... | 02/18/1997 |
| 5585121 | Adjustable shear plate for blow molding machine An adjustable shear plate for blow molding equipment wherein the shear steels or plates for cutting off the neck of the blown product, usually a bottle, may be adjustable with respect to each other to compensate for wear and achieve a sharp definitive sev... | 12/17/1996 |
| 5556648 | Quick bottle production changeover utilizing multi-cavity molds in an extrusion blow molding system A blow molding apparatus is provided including a blow mold, an extrusion apparatus, a locator mechanism, and a blow pin. The blow mold has first and second blow mold halves which are engageable and disengageable with one another. The first and second blow... | 09/17/1996 |
| 5551860 | Quick bottle production changeover utilizing multi-cavity molds in an extrusion blow molding system A blow molding apparatus is provided including a blow mold, an extrusion apparatus, a locator mechanism, and a blow pin. The blow mold has first and second blow mold halves which are engageable and disengageable with one another. The first and second blow... | 09/03/1996 |
| 5551861 | Quick change mold for blow molding apparatus Tooling for a quick change of molds and associated accessories for a blow molding machining for blow molding hollow plastic articles or articles, including a mold (2) that can be opened, with a feed opening (20) for introducing compressed air, an air inje... | 09/03/1996 |
| 5480607 | Method and apparatus for molding plastic products with flash removed The present invention teaches an improved method and apparatus for molding plastic products which results in the removal of plastic residue such as flash from the products during the molding process itself. The invention teaches the use of flash retainers... | 01/02/1996 |
| 5478229 | Apparatus for forming hollow article An apparatus for forming a hollow article, wherein all the operations such as shifting and opening/closing of a die are performed by electric actuators such as motors which operate in accordance with a program operation, thus improving the quality of the ... | 12/26/1995 |
| 5449284 | Compression molding and trimming blow pin assembly A method and apparatus for producing a hollow article having a blow molded portion and a compression molded portion. Plastic is extruded over a blow pin assembly to form a parison having an open end and a diameter larger than the diameter of the article's... | 09/12/1995 |
| 5288224 | Apparatus for manufacturing a hollow synthetic resin product An apparatus for manufacturing a hollow synthetic resin product, including a movable parison guide and a movable lower molding portion which align an extruding head, the parison guide and an end of the lower molding portion in a perpendicular plane. The l... | 02/22/1994 |
| 5264178 | Blow molding method for manufacturing a hollow synthetic resin product using a parison guide The method includes moving a parison guide and a lower molding portion to substantially vertically align an extruding head, the parison guide and an end of the lower molding portion. Then, the lower molding portion is moved substantially horizontally whil... | 11/23/1993 |
| 5256055 | Blowpin with self aligning shear ring A blowpin assembly for blow molding apparatus wherein the assembly utilizes a molded article shear ring cooperating with a mold ring opening to shear the neck of the molded article following the molding process. The shear ring is mounted upon the blowpin ... | 10/26/1993 |
| 5000905 | Stretch blow-moulding thermoplastics articles A method is described for stretch blow-moulding thermoplastics bottles (50) from heated parisons of thermoplastics material such as polypropylene. The parisons are severed from thermoplastics sticks (51) each of which is formed of several, e.g. five, pari... | 03/19/1991 |
| 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 |
| 4966543 | Apparatus for forming a vented recyclable multilayer barrier container This relates to blow molded plastic containers wherein at least the body of such containers is of a laminated construction including, for example, a barrier layer which in the case of the container receiving carbonated products would be a gas barrier laye... | 10/30/1990 |
