U.S. patents available from 1976 to present.
U.S. patent applications available from 2005 to present.

Icon_funbox Bizarre Patents

Patent No. 5421089

Fork With Timer

A fork with timer for providing a cue to a user after an elapsed period of time for indicating that another bite of food using the fork may be taken.

Newsletter  PatentStorm News

Make the Most of Our Site

See this month's Top Inventors and Most Cited Patents.

Stay on top of the latest innovations by subscribing to an RSS feed.

Registered users: Manage your profile.

 

Class 249/180 - Means simultaneously moves plural molding sections of core


Subclass of Class 249 - Static molds
Definition: Apparatus wherein the mechanical means moves two or more
No. of patents: 90
Last issue date: 11/07/2006


1      
NumberTitleIssue Date
7132075Method for producing a connector element for connecting frame parts at a joint location in a bicycle framework and connector element obtained thereby
A connector element for connecting frame parts at a joint location in a bicycle frame is made of a single part of structural fiber based material, typically carbon fiber material, after reticulation in a mold exploiting the expansion of a core on which windings of f...
11/07/2006
7073766Formwork system for concrete bodies
A formwork system comprises an outer formwork, an inner formwork and an opening box-out. The opening box-out is rigidly connected to the outer formwork. The opening box-out can be reduced or enlarged in size by hinging a movable frame to its rigid inner frame. In th...
07/11/2006
7066081Device for making cheese and corresponding production method
The invention concerns a device for making soft cheese or fresh paste cheese comprising at least a first set of perforated cheese-moulds and at least a second set of perforated cheese-moulds arranged in a chamber. The invention is characterized in that said first an...
06/27/2006
7004443Concrete void former
A void former comprises a core assembly having at least two body members. The body members are removably coupled together to define the desired shape of a void to be formed in a concrete slab. After the void has been formed in the concrete slab, the body members may...
02/28/2006
6845957Device for mounting and dismantling formwork
A compensating element (23) is permanently connected to a first formwork element (21) and a second formwork element (22) wherein the compensating element (23) has openings formed like elongated holes on the side along its axial direction ...
01/25/2005
6803007Method for producing a connector element for connecting frame parts at a joint location in a bicycle framework and connector element obtained thereby
A connector element for connecting frame parts at a joint location in a bicycle frame is made of a single part of structural fiber based material, typically carbon fiber material, after reticulation in a mould exploiting the expansion of a core on which windings of ...
10/12/2004
6626414Concrete casting sliding corner system
A concrete casting sliding corner system includes a pallet for defining the cross-sectional shape and thickness of the sidewalls and an inside core mold disposed interiorly of the pallet and an outside mold jacket disposed outwardly of the pallet. The mol...
09/30/2003
6530553Method and apparatus for making concrete buildings
A method for making a poured-in-place concrete building having a plurality of rooms includes assembling an outer form around a periphery of a floor and positioning a plurality of unitary room forms within the periphery of the floor. Each unitary room form...
03/11/2003
6116884Mold core for overmolded flexible valve
A mold core is provided for producing an overmolded flexible valve. The mold core comprises a mold body, a piston assembly, a piston retaining means, a collet bit positioning means and at least two collet bits. The mold core has a cylindrical void in a di...
09/12/2000
6105924Wedge apparatus and mold
A wedge apparatus for use with molds and a mold utilizing at least one wedge apparatus. The wedge apparatus includes a pair of attachment portions, each having an attachment surface and a wedge surface, a wedge portion, and a shaft. The wedge portion is s...
08/22/2000
5963380Mold for inner gear and mold for cylindrical product with inner gear
A mold for a cylindrical product with an inner gear formed by injection molding is disclosed. The mold includes a plurality of sets of first and second inner slide cores each having inner molds with under-cut forming portions. The first and second inner s...
10/05/1999
5788874Leak resistant hinge for use in concrete structure fabrication
A leak resistant hinge is provided for pivotally connecting adjacent concrete form sections to permit angular adjustment and movement of the form sections. The hinge includes first and second L-shaped hinge brackets which pivot about a pivot member to whi...
08/04/1998
5709769Duct assembly system
The present invention is embodied in a duct assembly system for the shaping and support of skins against a bulkhead, including an articulating skin expanding member conforming, in an extended position, to a cross section of the bulkhead, and a support mea...
01/20/1998
5587189Molding device for register of synthetic resin
A molding device for a register of synthetic resin adapted for use in adjustment of air flow, wherein a pair of outer frame members, a plurality of spaced adjustment blades and a link member of the register are separately formed and assembled during a mol...
12/24/1996
5510083Pipetting aid
The invention relates to a pipetting aid for exerting suction on liquids. The usual previous "Peleusball" has disadvantages when handling and with regard to washing out. The object of the invention is to create a pipetting aid through constructive change,...
04/23/1996
5429693Method of making a prestressed composite materials
A method is described for forming a prestressed composite which comprises steps of applying matrix material to the fibers, selectively tensioning the fibers, winding the fibers on an adjustable mandrel and curing the matrix material with the fibers under ...
07/04/1995
5417519Formwork apparatus
The formwork assembly (10) is used to cast tubular or part-tubular structures, one particular application being in the lining of mine ore passes with a concrete lining (54). The assembly includes an internal framework (12, 14, 32; 100, 102, 104) and exter...
05/23/1995
5290006Expanding form for pouring mixed cement to reposition manhole castings
A lightweight metal or plastic form that when collapsed can be installed on the inside of a temporarily suspended manhole casting and expanded by a mechanism having numerous arms connected at a center point and extending outwardly to spaced and positioned...
03/01/1994
5281127Articulated core blade assembly for use in an injection molding machine
An articulated core blade assembly provides improved release of undercuts and similar structures in mold cavities. The articulated core blade assembly includes a retainer secured to an ejector plate, a lifter which moves the product and releases the under...
01/25/1994
5230907Inside corner form
An inside corner form for forming an inside corner of a wall structure for casting concrete includes a central member for forming the corner, side members for forming portions of the walls adjacent the corner, an actuator for expanding and contracting the...
07/27/1993
5219594Apparatus for molding undercut parts
Disclosed is a molding apparatus which includes (A) a mold for making an undercut part which includes coring sandwiched between top and bottom cavity halves, where the coring is divided into three or four sections; and (B) a press for (1) separating the coring...
06/15/1993
5217731Injection molding tool with retractable bead-forming segments
An injection-molding tool for producing pipe fittings with an internal groove has bead-forming segments of the core alternating with one another on respective bell crank levers at alternating bell-crank levers being fulcrummed at fixed locations on a core...
06/08/1993
5090888Die casting mold part
A die casting mold part, which may be mounted on or applied to a die casting mold to provide for the molding and shaping of a variety of projections from the molded article and a simple and sure release from the mold of such projections including a plural...
02/25/1992
4956142Apparatus and method for molding three dimensional articles
Apparatus and method for forming a three dimensional injection molded article having a pair of passageways extending therethrough and with a locking indentation in each passageway using first and second mold parts each having open ended cavities having an...
09/11/1990
4938679Collapsible core for molding closures having interrupted interior threads and the like
A male mold member includes a base or body having a central projecting core with an intermediate peripheral tapered seat between the core and body. The body, seat and core are intercepted by a plurality of cylindrical bores spaced uniformly about the male...
07/03/1990
4923378Mold assembly for molding automotive seat
Disclosed herein is a mold assembly for molding a plastic article having a recess formed therein. The mold assembly includes a lower mold having a cavity formed therein; an upper mold adapted to be put on the lower mold to close the cavity; a core adapted...
05/08/1990
4915609Sintering device for blanks of foamable plastics with undercuts
A sintering device includes separable mould walls which together define a mould cavity and a mould core which is positioned within the cavity to define an undercut mould surface. The core includes a hollow frusto-pyramidal central support formed with guid...
04/10/1990
4913642Mold for forming asymmetric balloon
Blood flow in the aorta and pulmonary artery of a mammal, most typically a human, is measured volumetrically by a non-invasive, ultrasound apparatus. The apparatus (10) includes a tracheal tube or probe with of flexible tubing (11) having a transducer ass...
04/03/1990
4890999Molding machine
A molding machine for casting a concrete product includes a stationary support system, a rotatable apparatus and a pair of bearings supporting the rotatable apparatus on the stationary support system. The rotatable apparatus rotates 180 degrees between an...
01/02/1990
4890993Apparatus for forming concrete structures
A primary forming member is associated with a secondary supporting structure to allow rapid construction of elongate concrete structures of uniform cross-section by removing the primary forming member before the concrete mass supported by the secondary su...
01/02/1990
4880048Apparatus for the moulding of a cylinder block or of a corresponding foundry pattern
Cylinder block molding apparatus includes two series of parallel and alternate molding plates for partitions. The plates extend in planes perpendicular to the axis of an engine shaft. Each series of molding plates is mounted, respectively, on a support ca...
11/14/1989
4861257Core structure of molding apparatus
The core structure of a molding apparatus for making a molded article is disclosed. The cylindrical core which forms a plurality of main core members separated by a plurality of wide slits and a plurality of complementary core members which are inserted a...
08/29/1989
4854849Injection mold
In an injection mold for molding an article having an undercut at at least one end portion, the movable mold half has a slide core which defines the inner surfaces of the end portion and the undercut, and a main body which defines the inner surface of the...
08/08/1989
4832307Injection mold
An injection mold having a pair of stationary and movable molding plates, a plurality of sidewalls moved by one or more hydraulic cylinder assemblies disposed between the stationary and movable molding plates through inclined guide pins or guide blocks, a...
05/23/1989
4828217Molding apparatus for production of concrete box-units
The invention relates to an open type box-unit with multi-purpose application for the complex industrial construction of prefabricated houses, of buildings with different numbers of stories, and to molding apparatus for its production. The box-unit has a ...
05/09/1989
4777004Apparatus and method for molding plastic paint cans
Apparatus and method are described for injection molding of thermoplastic paint cans substantially similar in size and design to the conventional steel one-gallon paint can. The apparatus comprises a cavity element defining the exterior of the container b...
10/11/1988
4771981Collapsible mould core
The invention relates to a collapsible core for a mould. The core comprises three relatively movable assemblies. The first assembly carries a cone, the second assembly carries an inner set of segments which form part of the core surface and engage the con...
09/20/1988
4731014Rear opening mold
A mold, typically an injection mold, comprises a cavity member and a core member relatively movable between open and closed positions to define a first parting line and a molding chamber between the core and cavity members in the closed position. A sprue ...
03/15/1988
4717330Apparatus for making a structural component
A structural component having a curved wall, such as an aircraft fuselage pipe, has a grid structure formed of box frames produced by winding tapes of fiber reinforced synthetic material, so-called prepregs, onto mold bodies. These mold bodies are then a...
01/05/1988
4717113Segmented injection mold system
An injection molding system is provided with a plurality of wall segments which are displaceable substantially radially for forming a substantially continuous wall which forms an internal wall of a hollow region which is intended to be filled with molten ...
01/05/1988
1      
 
Sign InRegister
Username  
Password   
forgot password?