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7832703 |
Apparatus and method for protecting lined concrete pipe during the manufacturing process
At the filling station of a dry cast pipe making machine for making pipe lined with a plastic liner, the liner is first placed over the core and then a plurality of spaced-apart, removable L-shaped...
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7824598 |
Vertical-cast concrete column forms and panel elements and method of fabrication
A system for forming thin-wall pre-cast concrete forms and structures, using vertical casting and slip-form techniques to partition wet concrete into separate thin-wall sections, the system being...
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7731149 |
Septic tank form
A casting mold including a first form having a first wall and a second wall, the first and second walls defining a first casting space. The casting mold further including a second form having a...
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7713603 |
Molded article method, and apparatus for providing an undercut molding feature in a mold tool
A molded article is disclosed. According to an embodiment, the molded article includes a blow-molded parison of material having an undercut formed in a surface of the parison of material. An...
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7658364 |
Ocular therapeutic agent delivery devices and methods for making and using such devices
Ocular implant devices (10, 20, 121) for the delivery of a therapeutic agent to an eye (101, 301) in a controlled and sustained manner. Dual mode and single mode drug delivery devices (10, 20, 121)...
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7192000 |
Plastics moulding
A die for moulding a plastics part includes a cavity defining an overall shape of the part and having a surface-textured insert for providing an area upon the moulded plastics part having intricate...
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6887063 |
Processing mold including unitary movable mandrel for preparing tire support
A processing mold is suitable for preparing a tire support. One processing mold that is particularly advantageous includes a processing mold having a first mold body opposing a second mold body,...
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6736365 |
Valve for use in producing cast concrete articles
A three piece full port ball valve for use with a form for producing a cast concrete article is provided wherein the housing of the valve has been modified by creating openings through the valve...
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6599460 |
Prevention of void-based-irregularity formation in thin-wall, injection-molded plastic product
During injection molding of a thin-wall plastic product, such as a drink cup, the formation of void-based irregularities is prevented in a thin-wall portion of the product formed within a zone of a...
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6598848 |
Molding device
A molding device has a first outer mold, a second outer mold engaging with the first outer mold, a silicon mold disposed between the first outer mold and the second outer mold, a center mold, an...
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6533568 |
Casting mold with an extractable core for producing a shell of an air intake duct
A casting tool for an air intake duct includes a mold and exchangeable extractable cores for the formation of a cavity. The exchangeable extractable cores are provided for the mold, by which, while...
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6426031 |
Methods of fabricating a sweep elbow tube connector
A molded sweep elbow tube connector includes a molded tube connector member comprising a first linear tube end portion, a second linear tube end portion, and a curved sweep tube portion defined by...
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6395213 |
Apparatus and method for producing cast concrete articles
A form for producing a cast concrete article can have a core at least partially surrounded by an outer jacket thus defining a cavity between an outer surface of the core and an inner surface of the...
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6382878 |
Multi-sectioned concrete support structure and method of manufacture
An economical, high strength, highly corrosion-resistant, multi-section concrete support structure includes a first concrete section attached to a second concrete section. The first concrete...
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6279867 |
Multi-part form of a mold for forming a containment member for molten metal
The present invention is directed to a multi-part form, for use in forming an inner wall of a mold. The multi-part form includes a consumable exterior wall for contacting a casting compound. A...
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6170796 |
Mold and associated method for making a drainage channel
An elongate drainage channel capable of receiving runoff from an athletic surface is provided which includes a bottom wall and a pair of sidewalls extending upwardly from the opposed sides of the...
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6000673 |
Mold assembly for producing a countertop exhibiting an integrally formed sink bowl and built-up edge and method for producing the same
A mold assembly and method for producing a resin based countertop having an integrally formed sink bowl and a built-up edge. An elongate base is defined by a central surface area which is bounded...
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5980811 |
Method of molding a container finish
An improved method of molding a container finish for containers containing liquid at or above atmospheric pressures in which the frusto-conical sealing area thereof is formed in substantially...
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5957191 |
Casting method and apparatus using a resin core
A casting method and apparatus using a resin core wherein a portion of a wall of the resin core that receives a greater heat and/or load than other portions of the wall of the resin core, is...
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5932255 |
Apparatus for casting wire reinforced members utilizing members for positioning and supporting the wire reinforcements
A wire reinforced cast member is produced by providing inner and outer mold forms. At least one mounting projection of a wire reinforcement support member is supported in at least one opening in...
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5851564 |
Apparatus for forming a hollow structural profile
An apparatus for making a lightweight, thin wall, seamless, hollow structural profile using a simple mold. The apparatus includes a base for supporting a mandril and a two piece outer form which...
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5843325 |
Mold assembly
A mold assembly has a cylindrical inner mold device, and a plurality of outer mold devices enclosing the cylindrical inner mold device. The inner mold device has a threaded interior engaging with a...
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5817248 |
Mold for structural blocks
A mold designed to be operated easily by one person to form large blocks. Generally, the walls of the mold are attached to the base with a pivoting assembly such that the walls of the mold fall...
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5755982 |
Concrete casting system
A mold system for casting five-sided, monolithic, seamless concrete products comprises an outside jacket, an inside mold core complete with base, and a movable pallet to aid stripping. The outside...
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5605646 |
Containers for preparation and display of foods
A domed container for the preparation and display of food includes a receptacle, a dome cover, and a hollow mold member. The receptacle has a bottom with a top surface and an outer circumference....
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5538217 |
Ring-cake preparation system
A ring-cake preparation system is adapted for use in association with a ring-cake and a ring-cake container. The ring cake container is formed in a cylindrical configuration. A plate with a post is...
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5511762 |
Consumable form with degradable lining
A method of manufacturing an open top, walled member for containing a molten metal, including the steps of forming an inner wall of a mold with a metal sheet and an inner lining covering the sheet,...
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5505893 |
Method for manufacturing and repairing molten metal containment vessels
A method of manufacturing an open top, walled member for containing a molten metal, especially a flowing molten metal or reconstructing a worn or damaged member. The method includes the step of...
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5496008 |
Rubber molding apparatus
An apparatus for molding experimental, prototype and replacement parts from rubber materials. The apparatus consists of a mold having walls made from layers of fiberglass cloth and laminating resin...
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5482248 |
Mold for manufacturing metal containment vessels
A mold for forming an open top, walled member having side walls and a bottom surface for containing a molten metal. The mold including an inner screen having a plurality of openings having inner...
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5439370 |
Device for molding plastic material ferrule for optical fiber connectors
A device for molding plastics material ferrules for optical fiber connectors comprises a molding cavity defined by an accurately sized cylindrical bush defining the outside diameter of the ferrule....
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5400698 |
Apparatus for molding and baking dough and batter
A cup-shaped mold for the shaping and baking of bread, batter, cookie dough and other baking material comprises an upper cupped molding member and a lower, slightly larger, cupped molding member....
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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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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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5269998 |
Method of forming ferrule for an optical fiber connector and a mold therefor
A method of molding a ferrule of plastic resin provided with at least one hole having a small diameter and positioned at a predetermined position by a mold having a pair of associated molding...
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5264177 |
Method of making paint roller bearings
An open and shut molding method of making a paint roller bearing with offsetting core support surface for use in paint roller applicators that permit the user to change a paint roller quickly and...
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5246359 |
Apparatus for making a casting having an integral hose connection
A hose connection element integrally cast as part of a cast structure such as a water outlet conduit for a vehicle engine comprises a tubular structure including a circumferential hose retaining...
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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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5229024 |
Apparatus for making concrete pipe
The invention relates to seals on equipment used to make concrete pipe. Such equipment includes two generally vertical cylindrical surfaces, a core and a mold, with upper and lower end forming...
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5226352 |
Apparatus and method for molding and baking dough
A cup-shaped mold for the shaping and baking of bread or cookie dough comprises an upper cupped molding member and a lower, slightly larger, cupped molding member. Each molding member has a flange...
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5215673 |
Apparatus for the production of a symmetrical oval concrete pipe
An apparatus for the production of a symmetrical oval concrete pipe including an oval male joint member and an oval female joint member formed on opposite ends of an oval pipe body having a form...
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5205943 |
Apparatus for manufacture of precast concrete building units
A U-shaped, half-room precast concrete building unit is molded in an open box-like framework having four L-shaped corner assemblies, facing pairs of horizontal legs of which are respectively joined...
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5200209 |
Apparatus for producing plastic parts with a resilient projection
Apparatus for producing plastic parts with a resilient projection, such as connectors for corrugated tubing. The apparatus includes means for flowing plastic material on a core provided with a...
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5160752 |
Mold for forming a tape cassette reel
A tape cassette reel molding apparatus which includes upper and lower opposed molds for forming upper and lower flanges of the tape cassette reel and first and second hub molds provided between the...
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5149052 |
Precision molding of polymers
A method and apparatus for precision molding soluable polymers is disclosed, in order to form an exact and precisely shaped product, such as contact lenses and surgical implants. A preferred mold...
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5127820 |
High-precision adjustable injection molding of single-mode fiber optic connectors
A injection-molded connector for single-mode optical fibers includes two mating plugs having aligned fiber-receiving holes. To keep transmission losses in the connector at an acceptable level, the...
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5116218 |
Segmented hot molding apparatus
Molding apparatus, for example for molding components of polymerized resin without drawing, comprises a mold defined by a mold wall having a first thermal expansion coefficient, and a die including...
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5114655 |
Method and apparatus for injection molding
A method and apparatus are described for forming a closure device having a cylindrical plug and a cylindrical collar extending coextensively and coaxially from a cap. The apparatus includes an...
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5110278 |
Injection molding apparatus for producing a toric lens casting mold arbor
Injection molding methods and apparatus for the production of casting molds for toric lenses having ballast oriented properly with respect to the cylinder axis of the toric surfaces. A calibrated...
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5062356 |
Cookie baking apparatus
An apparatus wherein a pan member includes a perimeter rim and a matrix of variously configured cookie mold members, with an upper cutting edge mounted on the pan member. The pan includes...
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