Did You Know...
...that in the early 1940s GE engineer James Wright was charged with a task of utmost importance to the war effort: develop a cheap substitute for rubber that could be used to produce tires, gas masks and a whole host of military gear. Wright tackled the task diligently -- and wound up inventing Silly Putty.
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| Number | Title | Issue Date |
| 8057733 | Dosing bottle and method A dosing bottle is made by injection molding a synthetic resin preform with a threaded neck finish portion and a body portion. The neck finish has an internal collar adjacent said lower end thereof. The preform is removed from the injection mold and inserted into th... | 11/15/2011 |
| 8034281 | Dual container system A container system is adapted to withstand impacts and features a first container having a first container body and a second container having a second container body. The second container defines a second body height and a second body wall thickness. A body recess i... | 10/11/2011 |
| 8021596 | Method for injection stretch blow molding In the hot parison method of stretch blow molding, the temperature distribution of the body wall of the injection molded preform is changed to a gentle gradient slope shape from a mountain shape not by the external application of heat, but by the preform itself, to ... | 09/20/2011 |
| 7972554 | Air cartridge devices and methods of using same Air cartridge devices and methods of using the air cartridge devices are provided. In an embodiment, the present disclosure provides an air cartridge device comprising an elongated cylindrical shaft defining a first elongated end portion and a second elongated end p... | 07/05/2011 |
| 7807096 | Injection blow molded single layer metallocene polyethylene container A method of preparing a single layer hollow packaging by injection blow moulding, using a metallocene-produced polyethylene and produced by injection blow moulding, characterized in that said hollow packaging has an external and internal gloss of at least 30 and sai... | 10/05/2010 |
| 7455808 | Manufacture of plastic containers having internal identifying indicia molded on a container wall A method of making a container preform includes providing a mold core having at least one surface recess in the form of negative-mold indicia, and molding a preform around the core such that the preform has internal raised indicia formed by the at least one recess i... | 11/25/2008 |
| 7279207 | Plastic preform with stepped neck finish The improved plastic container and preform is light weight and includes a base, a cylindrical sidewall projecting upwardly from the base, and a neck finish projecting upwardly from the sidewall and having an opening to the inside of the container. The neck finish in... | 10/09/2007 |
| 7276199 | Molding methods including movable core pin support Apparatus and methods for molding a part with at least one passage at least partially therethrough. Generally, the method includes injecting a molding material into a mold cavity having at least one pin disposed therein to form the passage. In preferred implementati... | 10/02/2007 |
| 7255826 | Container with a foldable portion and method for manufacturing the same The invention relates to a container which is formed at the upper portion of the main body with the foldable portion having folding lines for easily folding the foldable portion. Processes for forming the container include a first step for forming a perform by injec... | 08/14/2007 |
| RE39769 | Blow molding device for producing thermoplastic containers The invention concerns a device for producing thermoplastic containers, in particular bottles, by the blow-molding or stretch blow-molding of a preheated preform. The device comprises at least one mould consisting of two half-molds (2) each supported by a mou... | 08/14/2007 |
| 7250130 | Method and inspection device used for the cyclic production of injection molded parts The invention relates to a manufacturing inspection method for the cyclic production of injection-molded parts in multi-cavity casting molds involving a row-by-row monitoring of the injection-molded parts after they are removed from the casting molds, said monitorin... | 07/31/2007 |
| 7244479 | Sealing strip composition The inventions relates to a composition adapted for use as a sealing strip in the manufacture of insulating structures. The composition includes an adhesion promoter compound of at least two components, a polymeric base material(s), and a cross linking agent(s). The... | 07/17/2007 |
| 7214341 | Method of injection molding a preform including a radially extending element A method and apparatus for injection molding an article including a radially extending child resistant feature. Finish block halves are provided that include a pocket and that are closable together to form a neck-finish mold cavity. Mold body halves are provided tha... | 05/08/2007 |
| 7204950 | Dispensing package A seamless collapsible container has a molded finish, configured and adapted for sealing with a closure and, optionally, for attachment to a dispensing apparatus, and a seamless, blow molded body portion, comprising an inner surface, an outer surface, and a wall, wh... | 04/17/2007 |
| 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 |
| 7157040 | Helical blow molding preform and method of manufacturing A multiple cavity bottle is manufactured by injection molding a preform having a helical septum and blow molding the preform to create a bottle having a helical septum separating the bottle into two cavities. The helical septum is molded with a twist sufficient to a... | 01/02/2007 |
| 7128865 | Apparatus and method for two stage ejection of a molded preform from a mold Injection molding method and apparatus for ejecting a molded plastic preform from a mold. A first lifting structure and/or step is configured to have an inner surface with an area for sealing and aligning with a complementary surface on a core, and to have an upper ... | 10/31/2006 |
| 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 |
| 7094377 | Apparatus and method for handling and cooling plastic preforms Apparatus for handling and cooling preforms, comprising a collection element provided with a plurality of receptacles arranged according to a definite geometrical distribution pattern and adapted to accommodate a corresponding plurality of preforms, as well as a coo... | 08/22/2006 |
| 7086848 | Plastic container injection-moulding machine equipped with quick mould-change arrangement An injection molding machine and method of injection molding is provided, in which an upper platen, a moving platen, and a cavity-carrying platen are used. A removable member (cylinder) is provided to limit travel of the moving platen towards the cavity-carrying pla... | 08/08/2006 |
| 7077641 | Preform conveying device An object of this invention is to provide a preform conveying device of high production efficiency under the technical theme of aligning the plurality of preforms in single rows at high speed, while eliminating contact of individual preforms with other preforms and ... | 07/18/2006 |
| 7041368 | High speed spinning procedures for the manufacture of high denier polypropylene fibers and yarns Improvements in permitting greater efficiency for high denier polypropylene fiber and yarn production are provided. Generally, spinning speeds are limited for polypropylene fibers and yarns as such materials tend to break easily upon exposure to excessively high ten... | 05/09/2006 |
| 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 |
| 7033162 | Injection blow molding device An injection blow molding device in which a lip mold is formed in different shapes for an injection mold and a blow mold. Mold clamping surfaces corresponding to the different shapes are formed on the injection mold and the blow mold, respectively, to prevent an air... | 04/25/2006 |
| 7001564 | Dual-chamber container and closure package A one-piece integrally molded container includes a finish having a deck and a pair of outlet openings surrounded by associated annular walls. A peripheral ring extends upwardly from the deck, and has a radial lip that helps retain the container in the mold tooling d... | 02/21/2006 |
| 6998081 | Method of producing low-shrink polypropylene tape fibers Improvements in preventing heat- and moisture-shrink problems in specific polypropylene tape fibers are demonstrated herein. Such fibers are manufactured through the initial production of polypropylene films or tubes which are then slit into very thin, though flat t... | 02/14/2006 |
| 6986863 | Containers A container is made in two stages from thermoplastics material. In the first stage a preform (1) is injection moulded, the mould parts easily releasing a tubular body (2) with a closed end and an outwardly projecting rim (3) at the open end. In ... | 01/17/2006 |
| 6971530 | Plastic container having stepped neck finish The improved plastic container and preform is light weight and includes a base, a cylindrical sidewall projecting upwardly from the base, and a neck finish projecting upwardly from the sidewall and having an opening to the inside of the container. The neck finish in... | 12/06/2005 |
| 6957954 | Post-mold cooling apparatus The present invention relates to an improved method and apparatus for injection molding and cooling molded articles such as preforms so as to avoid crystallinity. The apparatus and method make use of a take-off plate for removing articles from a mold, which plate ma... | 10/25/2005 |
| 6921091 | Sealing bellows, transmission joint equipped with same and method for fixing same A sealing boot intended to ensure the sealing of a transmission joint connecting two shafts. The sealing boot includes a boot body having a bead at each end to contact and seal the periphery of the shaft or an element of the joint integral with the shaft. Each bead ... | 07/26/2005 |
| 6884382 | Stretched container threads and method of manufacture A method of making a plastic container having a body and a finish with at least one external thread includes injection or compression molding a plastic preform having a body and a finish with at least one external thread, blow molding the body of the preform to form... | 04/26/2005 |
| 6872354 | Parison and blow molding method for bottle having undercut A parison (110) for a container having a substantially constant wall thickness, the container having a base, a top edge defining a round opening, the top edge defining a plane which is not parallel to the plane of the base, a neck portion disposed at the same... | 03/29/2005 |
| 6838041 | Post formation profile processing This invention relates to the post-formation processing of extruded or injection molded profiles in an economic manner without the need to purchase a blow molding machine, yet still effect post-formation radial expansion or contraction by the application of sufficie... | 01/04/2005 |
| 6814923 | Preform, intermediate article and method for manufacturing a blown finish container A dimensionally-stable, injection-molded portion of a blow molded intermediate article is engaged by a conveyance mechanism of a trimmer to controllably drive the intermediate article within the trimmer to permit accurate and high speed severing of the injection mol... | 11/09/2004 |
| 6789689 | Container with multiple integral connection handle, preform and method of manufacture A preform (207,301), and a container (201,312,319) blown therefrom in a two stage process (as defined in the specification) is disclosed having a loop (202,304,313) defining a handle portion of the resulting blown container and wherein the loop ... | 09/14/2004 |
| 6787094 | Sleeve molding Sleeve molding apparatus and methods for making multi-layer injection molded plastic articles in successive mold cavities. In a first molding step, an inner sleeve is molded on a core in a first mold cavity, which may comprise a full body length sleeve or only a par... | 09/07/2004 |
| 6770238 | Method and device for blow-forming containers The method and the device are used for blow forming containers of a thermoplastic material. The preforms that are used are first temperature treated and then shaped into containers in the area of at least one blow station. Moulds to define the container shape are he... | 08/03/2004 |
| 6749911 | Blaxially oriented hollow bodies based on random propylene terpolymers and process for the manufacture of these hollow bodies The biaxially oriented hollow bodies are obtained by employing random propylene terpolymers which comprise ethylene (0.5 to 5% by weight) and 1-butene (2 to 12% by weight), which have a melting temperature of 120 to 150° C., which are degraded by a free radical gen... | 06/15/2004 |
| 6740283 | Molding system and related method using a side-gated injection mold with vacuum assist and resulting blow molded article A molding system and related method for forming a molded article, such as a container, is disclosed. In one embodiment, the injection material is supplied though a side gate and drawn into the mold cavity using a vacuum assist and optional heating of the mold portio... | 05/25/2004 |
| 6733717 | Injection stretch-blow molded containers made of olefin polymers Injection stretch blow molded containers are obtainable from olefin polymers, comprising homopolymers of propylene or copolymers of propylene with other C2-C10-alk-1-enes, which are obtainable by polymerizing the corresponding monomers with met... | 05/11/2004 |
