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8101116 |
Preformed support device and method and apparatus for manufacturing the same
A device for making a seamless, anatomically contoured, prosthetic device for supporting or maintaining the position of mammalian tissue, organ or structure or a replacement thereof, such as a...
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8083985 |
Method for producing appliance cabinets and appliance cabinet Produced by such method
A method for producing appliance cabinets and the like, particularly a refrigerator cabinet having a double wall, whereby a polymeric sheet made plastic by thermal action is vacuum formed in a...
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8075835 |
Method of thermoforming using a syntactic foam plug
The present invention provides an improved syntactic foam plug for plug assist thermoforming wherein such plug is composed of a thermoplastic material having a relatively high melting and/or glass...
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8071213 |
Resin coated piston manufacturing apparatus for shock absorber
A resin coated piston manufacturing apparatus for a shock absorber is provided with a means for pressing a piston raw material to a resin sheet until the resin sheet is locked to a resin sheet...
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7799265 |
Method for thermo-molding a footed and bottomed cylindrical container
The present invention provides a bottomed cylindrical container, comprising a body wall, a bottom wall, and a ring-shaped foot downwardly extending from the bottom wall, said container being...
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7625516 |
Method for manufacturing sheet molded body and insert molded body
A manufacturing method for a sheet molded body having a desired three dimensional shape and an excellent quality of the design, which has no crease, by uniformly expanding a decorated sheet prior...
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7582249 |
Method of manufacturing thermoplastic resin container
In a method for manufacturing a thermoplastic resin vessel, in which a cup-shaped vessel is thermally formed from a thermoplastic resin sheet by a plug, the method including the steps of:...
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7507363 |
Methods of thermoforming non-self-supporting polymeric films and articles made therefrom
A thermoforming method and objects prepared using the thermoforming method are described. Non-self-supporting, polymeric films are initially formed into a three-dimensional shaped film on a male...
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7311513 |
Installation for producing objects by thermoforming pellets of thermoplastic material
The installation for manufacturing objects such as receptacles by thermoforming pellets of thermoplastic material includes conveyor means for conveying the pellets through the various stations in...
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7063811 |
Method of preparing an article
The present invention is directed to a method of preparing an article of manufacture. The method includes bringing at least a portion of a heated thermoplastic sheet into contact with at least a...
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7033536 |
Method for thermoforming
A method and apparatus for thermoforming deep drawn parts such as cups in which a vacuum is momentarily applied to a preheated sheet material when overlying a clamping plate prior to clamping and...
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6503355 |
Process for the formation of vulcanized hollow bodies
On the-inside of heated molds hollow bodies are formed by vulcanization, the bodies are formed of elements from natural or synthetic rubber and/or treated elastomers, possibly associated with...
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6371327 |
Compartmented disposable food service articles with angular junctions thermoformed with plug-assist
Compartmented food service articles with sharp angular junctions are thermoformed utilizing a plug-assisted thermoforming process. The plug is employed in connection with a thermoforming mold...
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5683648 |
Thermoforming and heat shrinking for forming containers
A method and apparatus for producing a thermoplastic container-shaped intermediate or article having biaxially oriented side walls and a bottom having an unoriented portion surrounded by a...
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5641524 |
Method and apparatus for vacuum/pressure thermoforming
An apparatus for plug-assisted thermoforming of a cup or other hollow article has a concave well or cone region machined into its top with a series of small holes drilled near the deepest part of...
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5454707 |
Non-scuffing, non-sticking blow core for stretch blow molding machines
The tip of the blow core on a stretch blow molding machine is slightly smaller in diameter than the neck of the preform into which it is inserted such that during both insertion and withdrawal...
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5380481 |
Process for thermoforming multilayer sheets
A process for thermoforming a sheet, involving a static back-pressure which initially increases substantially continuously, then decreases substantially continuously, during the thermoforming...
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5283029 |
Method of moulding a sheet including the use of heated barrier fluid
A method of and apparatus for moulding preformed material with a forming mould (1), tool, membrane or bag, in which as the material (A) is being moulded or shaped, a temperature controlled fluid is...
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5262181 |
Apparatus for forming hollow articles in thermoplastic material
Forming apparatus for forming hollow articles from a thermoplastic web wherein a mold block and a counter-mold block are respectively provided with the same number of forming chambers and...
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5217563 |
Apparatus for producing a deep-drawn formed plastic piece
Cold-stretchable sheet material is isostatically formed at an operating temperature beneath the softening temperature of the sheet material by means of a fluid pressure medium at a pressure of more...
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5198175 |
Process for producing deep-drawn plastic container
In the deep-drawn molding of a plastic container, a molten plastic sheet is positioned between a plug and a mold. The molten sheet is supported on an upper mold surface portion having heat...
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5108529 |
Method of forming a twin sheet plastic pallet using preforming
A method of forming a twin sheet plastic pallet formed of an upper and a lower sheet and utilizing an upper male mold having downwardly extending leg protrusions and a lower female mold having...
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5080852 |
Method of making a bearing sleeve for a split sprocket wheel assembly
A method of making a split bearing sleeve having flanges at the opposed ends thereof for mounting a sprocket wheel on an axially extending shaft is disclosed herein. The method includes the steps...
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5034178 |
Process for manufacturing embossed articles of synthetic resin with an undercut
A process and apparatus for manufacturing an embossed article of synthetic resin including heating a synthetic resin sheet to a softening temperature; pressing the heated synthetic resin sheet on...
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4950445 |
Method of vacuum forming disposable faceshield
A method of making a protective shield with an optically clear viewing portion by vacuum forming over a mandrel wherein the viewing portion of said protective shield is maintained out of contact...
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4946640 |
Method for forming preformed material
A method for the shaping of a sheet of preform material. A flat planar (heated) sheet of preform material is held tightly between two elastomeric sheets, the sheets and preform material forming a...
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4943406 |
Method for production of containers in thermoplastic material, in particular sheets of polyethylene-terephthalate
Method for the production of heat resistant polyethyleneterephthalate containers by means of thermoforming with a longitudinal and radial direction stretching of a sheet (1) of unstretched...
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4900385 |
Method for forming container
Disclosed herein is an improved method for forming a double wall container by laminating a thermoplastic resin sheet for a container main body and a breathable thermoplastic resin sheet or film for...
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4878826 |
Apparatus for thermoforming plastic materials
An apparatus for thermoforming articles out of a sheet plastic material includes a female mold having one or more cavities and a male mold including one or more plug assists in one to one...
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4851178 |
Process for thermoforming plastic materials such as pet
The method for thermoforming articles out of a sheet of plastic material including initially applying a negative pressure to the cavity and a first forming gas to the second side of the sheet...
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4842742 |
Method for forming large objects such as refrigerator liners from crystalline synthetic resins
A method of forming relatively large objects, such as refrigerator liners, by a solid phase forming process from crystalline-type synthetic resins, such as polypropylene. The invention comprehends...
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4822553 |
Apparatus and method for thermoforming a plastic article having an undercut
The present invention concerns an apparatus and method for thermoforming a plastic article from a sheet of plastic material heated to a predetermined forming temperature. The apparatus includes a...
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4755120 |
Apparatus for the production of upholstery with back-foamed covers
The present invention is directed to an apparatus for the production of back-foamed covers from cover materials and foam comprising (i) a mold comprising an upper mold half and a lower mold half,...
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4740342 |
Thermoforming flexible plastic foam shells
An improved method and apparatus for rapidly forming plastic foam shells from a flexible foam sheet. The foam sheet is intermittently passed through a radiant heating unit and is rapidly heated on...
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4668175 |
Apparatus for forming deep containers
Apparatus for forming deep containers from a thermoplastic material including a first mold portion having a cavity therein defining the side and bottom configuration of the container and a second...
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4666394 |
Apparatus for thermally fixing the formed thermoplastic products
A process and apparatus for pneumatic-pressure forming or vacuum/pneumatic-pressure forming a web of thermoplastic material into a matrix form of containers and having the thus-formed plastic...
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4636349 |
Process for manufacturing thermoplastic containers
A process for forming hollow articles from a thermoplastic polymer sheet material. Polymer sheet material is heated to a forming temperature and clamp between a ported mold plug and a jacketed mold...
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4584157 |
Method for double-side thermoforming
A method for double-side thermoforming opposite faces of a sheet of plastic is set forth. The method includes heating the sheet to a temperature within its transition range and forming one face of...
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4582665 |
Method of making poly(ethylene terephthalate) articles
Disclosed is a process of making an oriented and heat set thermoformed hollow article of poly(ethylene terephthalate) so that the sidewalls of the articles resulting from the process have a density...
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4552717 |
Process for making a thin walled container from a plastic resin
The process for making thin wall containers from plastic resins described herein includes the step of heating the resin, placing the resin between a product mold and a preform mold, and closing the...
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4536148 |
Apparatus for making a thin walled container from a plastic resin
The apparatus for making thin-walled containers from plastic resins includes a heater for raising the temperature of the resin sheet, a product mold and a preform mold located in axial alignment...
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4496408 |
Method for producing biaxially oriented hollow articles
Disclosed is a process for the production of a hollow article comprised of a biaxially oriented thermoplastic resinous material, comprising the steps of heating a sheet of thermoplastic material to...
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4445953 |
Method of forming shaped laminates
Lightweight aircraft transparencies are shaped to a desired configuration by laying up a plurality of flat oversized plastic sheets in a desired sequence to form a flat assembly. Portions of the...
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4443401 |
Apparatus for and method of thermoforming plastic cans
This relates to the thermoforming of can bodies for use in packaging beverages under pressure from polyester sheet material, preferably PET. In accordance with the invention, a forming gas is...
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4440702 |
Method and apparatus for making thin-walled plastic articles
An apparatus for forming a thin-walled article comprising a frame providing a forming station for positioning a preheated sheet of thermoplastic material, first and second mold sections mounted on...
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4427476 |
Method of utilizing reciprocating clamp apparatus to thermoform plastic containers
This relates to the forming of containers and like hollow articles from sheets or webs of thermoplastic material. Two webs or sheets are simultaneously acted upon by way of a forming apparatus...
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4397804 |
Method for producing containers from thermoplastic sheet material
A method of and an apparatus for producing containers from thermoplastic sheet material are disclosed. The sheet material is heated to its plastic state and clamped at its periphery. Then a...
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4388356 |
Heat setting a thermoformed PET article utilizing a male plug as a constraint
A process and apparatus for manufacturing a polyester container having good clarity and dimensional stability and which can be used in hot-fill food package manufacture and/or in making a container...
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4176154 |
Method for thermoforming plastic sheets
A cup-shaped deep-draw-formed article is formed by thermoforming a thermoplastic resin sheet characterized in that a concave forming mold and an ancillary mold which are in opposition to each other...
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4047358 |
Method for forming article-holding display packages
The articles are enclosed in pockets, formed and sealed in plastic windows, of a foldable paperboard blank which has window openings on opposite sides of a fold line, the blank being covered on one...
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