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7381046 |
Lipstick making device
A lipstick making device includes an elastic mold device having a mold cavity for filling and molding a lipstick element, three or more curved mold pieces movably disposed above the elastic mold...
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7303361 |
Concrete form with keyway and clamp with base engaging the keyway
A concrete form with a keyway with an opening between opposing keyway lips together with a base that fits through the keyway opening and rotates without restriction in the keyway such that a...
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7159834 |
Stress release mold for thermal setting compositions and systems thereof
A stress-release mold is described for casting thermosetting compositions especially compositions designed for consumer use. At least one wall of the mold includes a stress-releasing-element...
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7068282 |
Coloration indicative of draft angles
An object may be colored to indicate draft angles of a pull direction at various locations of the object. The coloration advantageously employs a color map specifying a color spectrum for a range...
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7028973 |
Structure for foaming die for forming headrest
A structure of foaming die for forming a generally inverted-L-shaped headrest, which is designed to receive and enclose an incomplete headrest unit comprising a hollow trim cover assembly of a...
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6991206 |
Concrete block mold with improved stripping ability
An improved mold is provided for forming concrete blocks wherein the mold is of the type that has at least one wall having a plurality of spaced projections extending inwardly from the wall into a...
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6981864 |
Device for releasing and removing flexible synthetic material elements from a molding surface
A device for releasing and removing flexible synthetic material elements from a molding surface, comprising a molding surface on which the elements are arranged, a unit for gripping the elements...
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6817590 |
Method and tool for removing modular concrete forms
A method and tool for removing modular concrete forms from underlying rigid concrete are disclosed. The tool includes a lever end, a fulcrum, and a claw end having a notch particularly adapted to...
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6817589 |
Apparatus and method for removing joint rings from cured concrete products
As a part of the manufacture of concrete products, such as concrete pipe, manholes and the like, the joint rings applied during the casting process much be removed. The invention relates to a joint...
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6620364 |
Block forming apparatus and method
A retaining wall block is provided. The retaining wall block includes top, bottom, front, back, first side and second side surfaces. A tongue set is provided on the top surface of the block and a...
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6572811 |
Method of forming a cementitious panel
A method is provided for rapidly forming a cementitious panel. A cementitious mixture is introduced into a mold configured to provide the desired surface appearance and profile of the cementitious...
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6540200 |
Freezer tray unit
A freezer tray unit that houses removable inserts with various cavity shapes. This unit can be used to make ice in an unlimited number of shapes, by simply changing the inserts. This unit is made...
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6328921 |
De-molding method and apparatus for a golf ball
A method and system for de-molding golf balls having a casted layer is disclosed herein. The invention includes exerting a first lateral force against a top mold half of a mold assembly and...
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5952018 |
Injection mold cavity and method for making the same
An injection mold cavity and a method for fabricating an injection mold cavity. The mold cavity includes a tear-drop shaped channel and an ejection valve simultaneously formed with the fabrication...
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5427520 |
Mold device for fabricating disc substrate
A metal mold device for molding a disc substrate formed by molding a synthetic resin material and having a raised portion on the inner surface of the disc substrate, includes a fixed metal mold and...
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5380185 |
Ball for ball game and molding apparatus for forming the same
A molding apparatus for injection-molding a hemispherical hollow body formed of a thermoplastic elastomer and having a valve formed integrally therewith. The apparatus includes a first mold having...
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5376315 |
Method and apparatus for concrete casting of a unitary structure
A simplified, low-cost forming system (46) and method for the rapid construction of integrated, monolithic cast structures such as storm shelters (20). The preferred forming system (46) includes an...
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5352398 |
Apparatus and method for attaching a cap to a mold core
A cap is attached to a mold core with a T-shaped connector instead of screws. The core cap has an air distribution channel and the core has cooling fluid distribution channels which are maximized...
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5338176 |
Pie crust lifter
The invention is a pie crust lifting tool and corresponding rolling board for lifting pie crusts from a rolling board and placing them in a pie plate in anticipation of baking. The lifting tool has...
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5316467 |
Internal core lifter apparatus with multiple axis compensation feature
In accordance with the present invention there is provided a new and improved internal core lifter for molding and ejecting plastic parts having undercuts. The preferred internal core lifter has a...
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5316461 |
Apparatus for producing reinforced concrete components
The apparatus includes a heatable casting bed, a device for tensioning a reinforcement member at the casting bed, a finishing machine movable along the casting bed for casting a component, a cutter...
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5277573 |
Apparatus for fabricating precast concrete ramps
A ramp for the physically challenged includes three different types of sectional portions: a slab disposed at the interface of a level surface such as a floor or earth ground; one or more ramp...
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5240395 |
Mold stripping equipment for manufacture of prestressed concrete poles
A stripping station which is used for stripping a mold from a cast concrete lamp pole has a mold that has an axial compressive load placed thereon by a tension force applied to tension members...
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5240223 |
Reuseable mold for forming a hollow aggregate filled thermoset article
The present invention is directed to a reuseable mold for casting a hollow form made of an aggregate filled thermosetting resin. The reuseable mold includes an outer mold, made from sheets of...
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5234329 |
Angle pin assembly
An angle pin assembly for use in an injection mold having a cam slide. The angle pin assembly includes a bushing and an angle pin. The bushing is received in a bore that is made perpendicular to...
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5225215 |
Plastic molding apparatus
A plastic molding apparatus which produces the molded part on a centrally located core with this core being elongated and having a non-linear, longitudinal, center axis. The core is removed from...
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5182313 |
Method and apparatus for forming articles made of polyurethane
A method and apparatus for forming articles made of polyurethane. The apparatus includes a polyol weigh tank, an isocyanate weigh tank, an additive tank and a mix tank enclosed by a vent chamber....
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5137442 |
Universal internal core lifter apparatus
An internal core lifter in a mold is provided with both linear motion and pivotal seating in a universal coupling that slides linearly along an ejector plate. The pivotal seating allows the core...
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5069417 |
Apparatus for producing a cured-in-place test sample of concrete
An apparatus for providing a test sample of concrete from a large poured area of concrete includes a mold suitable for placement within the concrete form, said mold including a continuous sidewall...
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5067686 |
Annular base mold
A unitary, molded, concrete stabilizing base for refuse cans and the like, and method and apparatus for its manufacture are described. The base takes the form of a concrete annulus having a...
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5064365 |
Mold apparatus with mold breaker
A mold apparatus for forming parts by reacting foam precursors in a mold cavity part closed by a cover has a mold breaker assembly including a member for holding a molded foam product in the mold...
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5056959 |
Method and device for stripping from the concrete to which it adheres the header of a wall section cast in the ground
Apparatus for stripping a header from a cast concrete section to which it is adhered adjacent to a site for contiguous concrete section comprising a vertical track in direct association with the...
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4998874 |
Mould with a single-block plunger for the moulding of electric accumulator boxes
A single-block central plunger is manufactured, which is particularly suited for the production of boxes made of plastic material for electric accumulators. The mould includes a mobile plate (3)...
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4979891 |
Mold for molding optical disk base
A mold for forming an optical disk base provided with a movable specular plate, a stationary specular plate, and an annular stamper having inner and outer peripheral edges. The reverse surface of...
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4975041 |
Die assembly for die casting a propeller structure
A die assembly for die casting a propeller structure, such as a wax propeller pattern. The pattern, which is identical in configuration to a cast metal propeller to be produced, includes a...
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4961884 |
Process for producing substrate of optical disc
An improved injection molding process for producing a substrate of an optical disc having a high quality is disclosed. The process includes the steps of: fixing a stamper having protrusions...
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4938679 |
Collapsible 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...
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4931007 |
Automated casting apparatus
An apparatus for automated casting of an item such as a plumbing fixture is disclosed. Female and male mold portions provide the spacing for molding the desired item between them. A fluid activated...
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4897032 |
Apparatus for making a closure device comprising a hinged cap for a container
The closure device provided for a container ending in a neck is of the type comprising a cap (1) with a lid (5) which is hinged thereon. With a view to facilitating the molding operation of the cap...
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4882111 |
Method for obtaining drain-cast hollow articles
A method for drain-casting a slip to obtain a substantially hollow molded article 42 is provided, by the use of an apparatus including a divisible mold 21 including an upper mold portion 22, a...
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4881884 |
Apparatus for injection moulding
An apparatus for injection moulding plastics closure elements into apertures in the central panels of a plurality of can ends comprises a first mould tool, a second mould tool, and a mechanism for...
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4879846 |
Ingot knock out and grind machine
A vertically adjustable support frame (10) with chain clamps (12) supports a mold (14) containing an ingot (16) in alignment with a ram cylinder (18). Rolls (34) receive the ingot and transfer it...
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4867662 |
Slip casting mold
A mold (1) for cast-molding a slip is provided, which comprises a divsible casting mold including a plurality of mold portions to form a mold cavity (4) when mated together; each mold portion...
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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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4818208 |
Mold closing device
A device for closing a lid of a cap while the cap is still in the mold where it was formed. The device includes a plate forming the moveable side of a parallelogram that rocks between the mold...
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4812116 |
Mold for making an aseptic vial and cap
The present invention relates to apparatus form making a vial and cap. A mold for forming the vial and cap and means for seating the cap on the vial prior to ejecting the vial from the mold is...
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4795124 |
Extractor apparatus for removing articles from article forming machines
An article extracting means which is mounted on a carriage means which in turn is slidably mounted on the side of an article forming machine having two members movable relative to one another to...
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4793587 |
Core for molding hollow concrete blocks
A hollow core for a concrete block is cast from an abrasion resistant alloy steel known in the trade as #8620. The core is generally rectangular in cross section and includes a top wall and...
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4777004 |
Apparatus 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...
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4764103 |
Injection mold
An injection mold for molding a tubular article having a closed end comprises a stationary mold half including a cavity plate having at least one cavity impression and a movable mold half which is...
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