U.S. patents available from 1976 to present.
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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 53/471 - With separate closure attaching (e.g., cap or plug)


Subclass of Class 53 - Package making
Definition: Methods for closing receptacles with a discrete closure
No. of patents: 333
Last issue date: 08/23/2011


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NumberTitleIssue Date
4048781Process for the production of a product filled container
With the view to obviating or mitigating the disadvantages that in processes for the production of containers, for example, product-filled containers, in which processes a substantial proportion of scrap is produced and that the space occupied by a purali...
09/20/1977
4040229Method of making a package construction for baseball type playing components
A method of making a package construction for baseball type playing components is provided which comprises a ball tee member and ball bat telescoped within the tee member and may include one or more balls....
08/09/1977
4040234Method and device for racking and sealing containers
A rack assembly comprising mounting means for containers, e.g., test tubes, a lid spaced from said mounting means which cooperates with orifices in the containers, a flexible sealing sheet for sealing the orifices interposed between the lid and mounting m...
08/09/1977
4040233Method of obtaining a filled, fluid barrier resistant plastic container
A filled, fluid barrier resistant plastic container is obtained wherein the container is exposed to a temperature in excess of 175° F., as for example being filled with a material maintained at said elevated temperature. A multilayered, hollow plastic co...
08/09/1977
4040230Method for filling containers with compressed blocks of garbage
In the disclosed method, garbage is first compacted into blocks which are then inserted into a container having a closable opening and a filling space of predetermined length and also having a predetermined permissible load capacity. Pursuant to the inven...
08/09/1977
4019242Vacuum pressure fill of viscous dampers
Method and apparatus for filling viscous dampers in which the method comprises assembling a damper housing with an inertia weight placed loosely therewithin and a housing top having a single aperture therein and adapted to provide a complete closure for t...
04/26/1977
4018026Automatic continuous barrel filling method
An automatic, continuous barrel-filling method comprises the steps of supplying empty barrels, locating the bungholes of the barrels, inserting nozzles into the barrels through the holes, bunging the holes, and carrying the filled barrels out of the fille...
04/19/1977
4015401Method of forming closure system for medical liquid container
A medical liquid bottle having a threaded neck of one thermoplastic material is blow-molded at pressures of 50 to 150 psi (3.52 to 10.1 kg/cm2) so there is a low amount of internal stress in the neck. A cap of a different thermoplastic material...
04/05/1977
4014723Composite containers
A container which comprises a tubular body made of paperboard or of a laminate including paper has its ends closed by closure members made of a different material such as tinplate or a plastics material. Each closure member includes a plug portion which c...
03/29/1977
3998030Flexible wall plastic bottle filling apparatus and method
Method and apparatus for imparting dimensional stability to a succession of flexible walled containers during their processing to receive flowable material, the containers characterized by nominal manufacturing tolerances....
12/21/1976
3962476Dough package containing triple sealed icing cup and method of producing the same
A process for forming a two compartmented fiber dough can comprising forcing a thermoplastic cup into the lower part of a container, inserting a duct close to the cup and filling the same with icing, forcing a divider plate into engagement with the cup an...
06/08/1976
3932978Worm-type dispenser for rimmed containers
A worm-type dispenser for rolled rim paperboard containers has a compression bead in the rim-engaging grooves of the worm to flex the central portion of the rim to render it more resilient so a cover having a rim contacting cylindrical skirt may be applie...
01/20/1976
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