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Patent No. 5926857

Armor With Rollers

An armor with rollers is provided that enables a user to move in all positions by rolling on a hard and smooth surface while constantly varying his bearing points on the ground.

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Class 425/434 - Plural female molds


Subclass of Class 425 - Plastic article or earthenware shaping or treating: apparatus
Definition: Apparatus comprising multiple units each providing a shaping
No. of patents: 97
Last issue date: 08/05/2008


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NumberTitleIssue Date
7407012Thermally stable diamond cutting elements in roller cone drill bits
A roller cone drill bit for drilling earth formations includes a bit body having at least one roller cone rotably attached to the bit body and a plurality of cutting elements disposed on the at least one roller cone in a plurality of rows arranged circumferentially ...
08/05/2008
7153460System and method for providing a renewable masking surface
A masking system is provided that includes a supply roll of masking material, supported by a first roll support. The supply roll is rotatable on the first roll support, which allows the masking material to be dispensed. A take-up roll is provided to receive masking ...
12/26/2006
7147201Method for annealing an electrodeposition structure
A method for annealing a structure formed by electrodeposition is provided, the method comprising providing the electrodeposition structure, the electrodeposition structure comprising an electroformed mold, the electroformed mold having a nominal thickness between a...
12/12/2006
6986656Method of and system for forming a fire door core
A method and system of forming a fire door core are provided. Hydraulic binder and resin are supplied from raw material bins and mixed to provide a submixture. Exfoliated vermiculite is then mixed with the submixture to provide a mixture that is deposited into a plu...
01/17/2006
6974554Potting method
A method of forming a pot for an array of hollow fiber membranes (7) is provided, including the steps of placing the ends (6) of the fiber membranes (7) in a mould (5); forming a first layer (20) of curable resin material in a non-...
12/13/2005
6773639Method of and system for forming a fire door core
A method and system of forming a fire door core. Hydraulic binder and resin are supplied from raw material bins and mixed to provide a submixture. Exfoliated vermiculite is then mixed with the submixture to provide a mixture that is deposited into a plurality of com...
08/10/2004
6589470Process for producing molded plastic articles
A process for forming molded articles from particulate thermoplastic material, the process comprising: (a) providing a track having a plurality of process stations, (b) providing a mold assembly comprising a base, at least one hollow mold upstanding from the b...
07/08/2003
6355191Method and apparatus for the manufacture of cementitious slab products
A method and apparatus for preparing single layer tiles or slabs from a mixture of a granulated stone material having a selected particle size, and from a slurry formed by cement, a quantity of between 0.25 and 0.36 parts by weight of water relative to th...
03/12/2002
6322348Rotational mold automated clamping system
A molding apparatus is disclosed which includes a first support having spaced apart vertical posts, and a first set of mold halves positioned between the vertical posts. A second support is provided having positioned thereon a second set of mold halves. A...
11/27/2001
6267917Rotatable mold apparatus having replaceable molds and replacement methods
The present invention includes a mold apparatus for facilitating replacement of rotatable molds therein. First and second frames are provided forming a plurality of mold cells and each mold includes an upper and a lower mold section. The upper mold sectio...
07/31/2001
6093011Apparatus for manufacturing green bricks for the brick manufacturing industry
Disclosed is an apparatus for manufacturing green bricks from clay for the brick manufacturing industry. The apparatus includes a circulating conveyor carrying mould containers combined to mould container parts, a reservoir for clay arranged above the mou...
07/25/2000
5910324Device for the manufacture of tablets
The invention relates to a device for the manufacture of tablets or compacts with at least two compacting tools which in each case can be moved in relation to one another and at least one template interacting with these and with a filling arrangement to f...
06/08/1999
5879598Method and apparatus for encapsulating electronic components
A centrifuge (18) is used to introduce a fluid, particularly a viscous fluid such as an encapsulating resin, into a cavity in a container (10), particularly a small cavity such as the inside of an electronic component housing. Measured quantities of the f...
03/09/1999
5869109Multi-mold closure system
A molding apparatus has a first support with two vertical posts, a first set of two mold halves, and a grip positioned thereon. There is also a second support having positioned thereon a second set of two mold halves. A clamp bar is positioned over the tw...
02/09/1999
5820802Tile making machine and method
A roof tile making machine and its method of operation. The reinforcement ribs on the underside of a concrete roofing tile are formed during their manufacture by directing mortar into recesses in a pallet on which the tile is made, with a compactor means ...
10/13/1998
5728327Method, barrel subunits and units, service installations and assembly structures for the fabrication of moldable products, particularly based on concrete
The manufacture of moldable concrete products with deferred mold release incorporates molding means bm1 into optimized rotary structures 1, 5, 7, 9, 12 in the form of modular cylinders having at least two faces, the cylinders being equipped and/or associa...
03/17/1998
5718929Rotational molding apparatus having fluid cooled arms
The rotational molding apparatus includes a main support member having at least one arm extending therefrom. Each arm of the apparatus is adapted to rotate enclosed articles being formed or coated about at least one axis. In order to cool the arms during ...
02/17/1998
5698238Rotary tabletting machine
A rotary tabletting machine, for compressing powder or granular material, includes a rotating turret (3) supporting a ring-shaped member (5) in which openings (2) are made to be filled with the powder or granular material, with pairs of punches moved by d...
12/16/1997
5672363Production apparatus for making green compact
An apparatus for producing a green compact includes a circuit that circulates die assemblies, each of which contains a rubber mold having rubber in at least its side portion. The apparatus also includes a high density filling device that has a feeder for ...
09/30/1997
5554394Rotational thermal molding machine
A molding apparatus is provided which consists of three frames which are relatively pivotal with respect to one another. One frame (A) is cradled in a second frame (B) and provision is made for tilting the first frame relative to the frame in which it is ...
09/10/1996
5529481Rotational mold having a divider ring between facing edges of two separable mold shells
A mold is disclosed for producing two unjoined molded items in a single void during a single molding process. A divider ring is provided along the joining seam between mold halves. The ring has a central aperture and is formed of a stick resistant materia...
06/25/1996
5500178Method of manufacturing hollow molded articles
A method of manufacturing hollow molded articles having a beautiful surface at a low cost and by a simple and efficient process includes providing a hollow elastic molding die made of an elastic film and having an opening port, feeding a material to be mo...
03/19/1996
5445513Apparatus for enhancing concentration
An apparatus is disclosed for enhancing the concentration of a second material within a first material, by liquefying the first material and introducing the second material within the first material. The first and second materials are introduced into a co...
08/29/1995
5443777Method for producing an invisible tear seam for an air bag deployment opening cover
A method and apparatus is disclosed for forming a cover for an air bag deployment opening, the cover having a tear seam defined by a reduction in thickness of the cover. The cover can be formed as an unitary part of an outer skin layer for an automobile i...
08/22/1995
5393215Centrifugal resin transfer molding
Structural parts are produced from fiber composite preforms which are placed into a mold conforming to the shape of the desired part. A resin is then injected into the mold so as to fill the mold and encapsulate the fiber preform. The mold is evacuated pr...
02/28/1995
5380183Venting device for rotocase shell molds
A venting device for a rotocast shell mold body having a neck and a flanged neck plate thereon. The venting device is a tube formed of black iron pipe of a predetermined diameter and length and mounted in an opening formed in one of the neck or a cover mo...
01/10/1995
5366676Method and apparatus for manufacturing concrete panels by continuous pressing
A method for manufacturing concrete panels by continuously pressing and an apparatus for carrying out the method. The concrete panels are successively manufactured by continuously feeding pallets onto a conveyor, feeding a concrete material onto the palle...
11/22/1994
5364578Combination counter rotating packerhead and vibrator assembly and method of operation thereof
An improved combination counter rotating packerhead and vibrator assembly is provided. A counter rotating packerhead including counter rotating roller assemblies, longbottom assemblies or a combination thereof is disposed directly over an annular pneumati...
11/15/1994
5354526Process for manufacturing reinforced duroplastic pipes in a centrifugal process and installation for carrying out the process
To eliminate the fluctuations in the precision of the material distribution which could not be avoided when manufacturing pipes in the centrifugal moulding process with the prior art installations, a new process and an installation for carrying out the pr...
10/11/1994
5306564Mold closure system
There is disclosed a spring-loaded shock absorbing system for use with molding devices to minimize wear due to repeated closing of mold portions. A helical spring which separates the mold portions must be overcome to join the mold portions. The spring is ...
04/26/1994
5277861Industrial drum molding
Method for selectively rotationally molding an industrial drum in either a closed-head configuration or an open-head configuration within a mold constructed for selective modification to accomplish molding of the drum in either selected configuration by i...
01/11/1994
5225214Laterally adjustable divider wall for molding two color shells
An assembly (10) for molding a two-tone color plastic shell (12) includes a divider wall (42) having first and second sections (42a) and (42b) that are interconnected for lateral adjustment therebetween for controlling the position of a seal gasket (60) w...
07/06/1993
5191923Improved use of self-leveling shims in centrifugal apparatus
A self-leveling shim for centrifugal casting apparatus of the type wherein piston means maintain two-part elastomer molds in pressurized engagement with each other during the molding operation, said shim comprising an inflatable bladder positioned between...
03/09/1993
5156818Biaxial casting apparatus for isolating radioactive waste
Hazardous radioactive waste is compacted and cast into safely handled monolithic castings having a radiation barrier wall completely enclosing the radioactive waste by centrifugal casting processes in which the barrier wall may be either a pre-formed shel...
10/20/1992
5127816Molding machine
A molding machine which includes a rotary-table system having at least two tables supported on the frame, which system has a lifting device in the area of each table, and a compressing device constructed on the frame....
07/07/1992
5094608Rotational mold apparatus
A shell mold support apparatus for rotationally casting thermoplastic polymer particles onto a heated casting surface to form a thin polymer shell conforming to the shape of a heated casting surface includes a base framework that supports a bottom shell m...
03/10/1992
5082484Apparatus for making quartz glass crucibles
An apparatus for making a quartz glass crucible comprises a housing having a first chamber and a second chamber therein, a rotation crucible having an inner surface corresponding in configuration to the quartz glass crucible, means for rotating the rotati...
01/21/1992
5074773Adjustable gasket alignment block
An assembly (10) for molding a two-tone, thin-walled plastic shell (12) for parts such as automobile door panels, control and instrument panels and the like includes a charge box (24) for supplying dry thermoplastic material to separate casting surfaces (...
12/24/1991
5046941Apparatus for molding multicolor thin wall plastic shell
An apparatus (40) for molding a thin walled plastic shell includes a mold box (42) having an inner mold surface (48). A powder box (52) includes an internal chamber and first divider wall (54) for separating the internal chamber into at least two sections...
09/10/1991
5033954Tool for manufacturing a two tone vehicle door shell
A tool for manufacturing the two tone plastic shell includes an electroformed mold (28) having a first surface (29) for forming a front of a shell; a second surface (32) for forming the side edge portion of a shell; and a third surface segment (34) for fo...
07/23/1991
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