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Patent No. 5508049

Pizza Pie With Concentric Rings of Crust

A pizza mold for forming a plurality of concentric raised ridges of dough (i.e., crust) on the surface of a pizza pie.

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Class 264/545 - Including uniting plural shaped sheets to form hollow work


Subclass of Class 264 - Plastic and nonmetallic article shaping or treating: processes
Definition: Processes in which two or more sheets are combined and shaped
No. of patents: 106
Last issue date: 03/23/2010


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NumberTitleIssue Date
7682553Balloon structure with PTFE component
A medical balloon having a high burst strength and the ability to return to its preinflation diameter following repeated inflation may be prepared from a first inner layer of material, a second intermediate layer of expanded PTFE and a third outer layer of material....
03/23/2010
7387699Process of producing hollow shaped articles
A process for producing a hollow shaped article having an inner surface which is brought into contact with fuels. The hollow shaped article is produced by bonding two or more constitutional members at peripheral edges thereof into an integral body. At least one of t...
06/17/2008
7303705Thermoplastic spine board with ergonomic features
An apparatus and method are disclosed for providing a foam-filled thermoplastic spine board. An upper surface of the spine board has a cradle configuration to assist in more comfortably positioning a patient. The spine board includes hand holds for transporting the ...
12/04/2007
7293976Single station thermo-forming machine
A thermo-forming machine is described for forming three-dimensional work pieces, having extensive relatively thin surfaces of uniform thickness, from flat sheets of a thermoplastic material. The machine includes one or two molds (31, 131) movable vertically b...
11/13/2007
7220114Equipment and process for producing a molded article
The present invention relates to a process and equipment for producing a molded article, especially a flat molded article, which has cavities and webs between the cavities, which webs essentially join two disks, wherein the equipment includes a press mold with a die...
05/22/2007
7157034Twin-sheet thermoforming process
A twin-sheet thermoforming process for the manufacture of vehicle headliners. In the process a first sheet and second sheet of SuperLite material are mounted onto respective frames. The frames transfer the sheets into an oven, where they are heated to a desired temp...
01/02/2007
7137803Fluid pressure imprint lithography
An improved method of imprint lithography involves using direct fluid pressure to press the mold into a substrate-supported film. Advantageously the mold and/or substrate are sufficiently flexible to provide wide area contact under the fluid pressure. Fluid pressing...
11/21/2006
7128800Vacuum forming machine
A vacuum forming machine and a method of manufacturing a duplex twin-sheet element from two continuous webs of thermoplastic material conveyed in parallel by means of a twin-sheet frame provided therebetween, which is adapted to be loaded by means of a tensioning fr...
10/31/2006
7101503Molding method and apparatus with plural cooperating mold tools for forming interior trim components for motor vehicles
A molding apparatus includes an upper mold tool having an upper-most mold half, a lower mold tool having a lowermost mold half, and an intermediate mold tool having a first auxiliary mold half cooperating with the uppermost mold half and a second auxiliary mold half...
09/05/2006
7089985Thermoformer for forming and heat bonding a thermoplastic sheet to a substrate
A thermoforming apparatus for forming sheets of sheet plastic onto a substrate in which a retractable substrate heater is able to be positioned over a substrate loaded into the press and energized while a plastic sheet is being heated in an oven included in the ther...
08/15/2006
7078462Cleaning product
An automatic laundry or dishwashing product in unit dose form comprising at least three distinct zones for delivering into at least three different stages in the washing cycle. The product provides improved cleaning, care and finishing benefits. ...
07/18/2006
7051490Door for refrigerator and method of producing the door for refrigerator
A door for refrigerator which is sophisticated in design and provided at a lower production cost. The door for refrigerator is composed of a door panel made of metal and an inner plate combined with the door panel in a facing manner, a door cap which fits into the d...
05/30/2006
7048531Molding unit comprising a compensation chamber delimited by a membrane, membrane for such a unit and machine equipped with such a unit
The invention concerns a molding unit comprising, between two components consisting of a mold element (22) and its support (18), a compensating chamber (56) wherein a pressurized fluid is injected to move apart the mold element (22) from ...
05/23/2006
7045086Twinsheet thermoforming system and method
A simultaneous twinsheet thermoforming system having a carousel rack to simultaneously move two sheets of thermoplastic together through a heating station and a forming station. The two thermoplastic sheets are vertically disposed on upper and lower tiers of the rac...
05/16/2006
6969485High volume production of low permeation plastic fuel tanks using parallel offset twinsheet pressure forming
Processes are disclosed for producing plastic containers from thermoplastic sheets where the thermoplastic sheets are processed in parallel to form a low permeation plastic container. A plurality of thermoplastic sheets are progressively heated to a first temperatur...
11/29/2005
6969246Forming station and process for twin sheet thermoforming
A forming station for a thermoformer in which the lower platen is lowered and moved laterally on linear bearings on the machine frame after two sheets are formed in side by side mold-plug assist tool sets so as to align the respective molds and formed sheets. The fo...
11/29/2005
6955204Partition system
A partition system which includes a hollow body, plastic panel, a connector link member, a plurality of inserts for the panel, a trim element for mounting to the panel, a leveling member for adjusting the orientation of the panel relative to a floor surface, a frict...
10/18/2005
6893603Production of hollow plastic articles
The present invention relates to a process for producing hollow plastic articles, encompassing the following steps: a) producing a tubular plastic parison on a blow molding plant or coextrusion blow molding plant b) cutting open the extrude...
05/17/2005
6866812Process for manufacturing hollow plastic bodies
Process for manufacturing hollow plastic bodies, especially motor-vehicle fuel tanks, from an extruded parison of closed cross section, in which at least one cut is made in the parison which is then formed by molding. ...
03/15/2005
6841105Process for manufacturing thermoformed article having textured or grained surface
A method of forming thermoplastic panels is disclosed which includes the steps of forming the thermoplastic panels by extrusion or a similar process and simultaneously or subsequently texturing or graining at least one face thereof, and utilizing such pre-textured o...
01/11/2005
6808675Freezing and thawing bag, mold, apparatus and method
A bag, method of manufacture and process are disclosed for the cryopreservation of thermolabile substances. The bag is characterized as having substantially uniform thickness throughout its length and height. The bag features a radiused peripheral edge wall for stre...
10/26/2004
6533880Method of making a combination speaker grill and automotive interior trim panel
A method of manufacturing a rear shelf trim and speaker grill panel (12) for an automotive vehicle (10) includes steps of punching a substrate layer (16) of a polypropylene and flax material with a punch set (46) to form a grill section (60). The substrat...
03/18/2003
6503355Process 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 different materials such as leather, skin, cotton, metals, expa...
01/07/2003
6465061Paper composite for making packages for liquid or granular products
A paper composite for realizing packages in three-dimensional form having a layer of yieldable paper with a degree of yieldingness in any direction not less than 10% and impermeablilizing film having a yieldingness compatible with yieldable paper. A metho...
10/15/2002
6444160Apparatus and method for blow moulding two thermoplastic sheets with the use of pneumatic operable membranes which close the mould halfs
An apparatus comprising first fluid supplying means for supplying inflating fluid to between opposite portions of thermoformable material, first and second parts for receiving said portions between them, one of the parts being in the form of a shell defin...
09/03/2002
6440353Vertical twin-sheet vacuum forming method
A method of twin-sheet vacuum forming plastic articles having the steps of clamping two parallel sheets of thermoplastic synthetic resin in a vertical orientation to a clamping tray and blowing air between the parallel sheets thereby creating a hollow cav...
08/27/2002
6426035Process for producing hollow plastic receptacles
In the production of hollow plastic receptacles from two areas of a strip of starting material, all of each receptacle can be formed from the strip, or half of each receptacle can be formed from the strip with the halves welded together to complete the re...
07/30/2002
6379606Method for thermoforming twin sheet workpiece
A twin sheet thermoforming method and apparatus of a type using a rotary wheel to carry each of a series of clamping frames for releasably holding sheets to be formed through successive processing stations. The clamping frames can be shuttled on the wheel...
04/30/2002
6372176System and method for twin sheet forming
A twin sheet forming system and method is used to form a hollow article, such as an automotive fuel tank, from first and second sheets of thermoplastic material. The system includes first and second loading stations, first and second heating stations, and...
04/16/2002
6294114Triple sheet thermoforming apparatus, methods and articles
A method of manufacturing a thermoplastic article including heating first and second thermoplastic sheets and conforming the first and second thermoplastic sheets to corresponding molds. The first and second thermoplastic are then joined to form a sheet s...
09/25/2001
6280551Method and system for producing a 3-D deep-drawn article using a thermoplastic sandwich material
A method and system for producing an article using a thermoplastic sandwich material such as, for example, a 3-D deep-drawn article is disclosed. In accordance with an aspect of the present invention, two reinforced thermoplastic skins surround a generall...
08/28/2001
6187252Method of thermoforming a plastic appliance door
A unitary plastic appliance door is produced by thermoforming an outer door panel and an inner door liner and joining them together in a unitary apparatus. The inner door liner is formed of sheet plastic on a male mold member and is then positioned over a...
02/13/2001
6126769Film laminated plastic moulding as well as process and device for its manufacture
A plastic moulding includes a rigid support (32) which is joined over at least one surface area (27, 29) to at least one film (5', 5"). The film (5', 5") has a fold at the edge of the plastic moulding which is placed around the plastic support. The manufa...
10/03/2000
6086354Track-supported rotatable sheet support structure for twin-sheet thermoformer
Multiple legs elevate a central ring bearing, to which a ring-shaped rotatable plastic sheet support carousel is mounted. The carousel is fitted with a ring gear which engages with a drive system to position the carousel and the thermoplastic sheets suppo...
07/11/2000
6056842Method of making a golf ball with a multi-layer core
A method of forming a golf ball by forming a core center, forming a laminate of core material, forming the laminate around the core center to form a core and forming a cover around the core. The laminate preferably consists of at least three layers of dif...
05/02/2000
5997586Dry-cleaning bag with an interior surface containing a dry-cleaning composition
A bag for the cleaning and containment of soiled fabric articles is provided which comprises a fastening system that, when fastened provides a vapor impermeable container and an interior surface releasably impregnated with an effective amount of a gelled ...
12/07/1999
5993724Method of forming non-skid plastic pallet
A first mold is provided having a first molding surface including a flat primary surface area, a plurality of spaced leg areas within the primary surface area, and a plurality of pin holes in the primary surface area positioned between the leg areas; and ...
11/30/1999
5976451Construction method for cushioning component
A process for making a cushioning component from a pair of sheets of flexible thermoplastic resin in which the sheets are placed against a pair of molds having hemispherical protrusions for forming opposing hemispherical indentations in the sheets. The in...
11/02/1999
5975879Rotatable sheet support structure for a twin-sheet thermoformer
Multiple legs elevate a central ring bearing, to which a ring-shaped rotatable plastic sheet support carousel is mounted. The carousel is fitted with a ring gear which engages with a drive system to position the carousel and the thermoplastic sheets suppo...
11/02/1999
5961764Reverse building process for the manufacture of complex-shaped vehicle fuel tanks using self-sealing, curable materials
A manufacturing process for reverse building complex-shaped vehicle fuel tanks using complementary female mold half sections which, when joined together about their mating peripheral edges, exactly duplicate the fuel cavity framework of the vehicle into w...
10/05/1999
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