Abstract: 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 by a plurality of interconnecting and elevated sides to establish a mold enclosure which is a negative shape of the countertop to be produced. A template is settable upon the elongate base and movable in a selected longitudinal direction so that an opening formed in the template is positioned in overlaying fashion at a desired location along the central area. A first sink bowl pattern is placeable in mating fashion within the opening in the template and upon the central area of the base prior to removal of the template. First applications of selected resinous materials are provided within the mold enclosure and around an exterior circumference of the first sink bowl pattern.

Abstract: A dental stone casting mold device (10) for use with a hardenable stone material (21) includes associated first and second side walls (11, 12) first and second end walls (13, 14) and a floor (15), forming an open top cavity (16). Each first and second side walls (11, 12) and first and second end walls (13, 14) extend from the floor (15) in a lateral direction, such that each has a portion (17) proximate to the floor (15) and a portion (18) distal thereto. There is also at least one slot (22) in the floor (15) removably receiving a stone retaining spine (20). In a preferred embodiment, each of first and second side wall (11, 12) carries a plurality of spaced indexing ribs (60). In another embodiment, each distal end 18 of the first and second side walls (11, 12) have integrally associated lateral extensions or webs (80) therefrom. Device (10) may also be provided with indexing bar or articulator attachment structures (101, 110).

Abstract: A process is disclosed for baking cakes in which a baking frame is placed on the oven grating. The space delimited by the baking frame and the oven grating is filled with cake dough and the cake is baked therein.

Abstract: A marker device insertable in a plastic injection mold, has a hollow body lockable in the mold so that an external surface of the hollow body is flush with an internal wall of the mold, the hollow body being provided with a cylindrical central orifice, a cylindrical head which is tightly placed in the cylindrical central orifice of the hollow body and extending toward an interior of the mold via an internal coaxial rod which pierces the hollow body and has an outer end provided with an external surface which is flush with the internal wall of the mold, the head being turnable on its own axis for varying its angular position with respect to the hollow body, and an actuator unit embedded in the wall of the mold connected to the internal rod of the head and commandable from outside of the mold by an external control unit, the actuator unit turning the head on an axis of the head in any of both rotation directions.

Abstract: A mold for forming a base for a concrete post, the mold having a side wall and a top wall characterized in that the top wall has a plurality of radially extending main slits extending from a central point to thereby form a plurality of flaps, the top portion being formed of a flexible material such that a tube may be inserted therethrough and retained in position by the flaps to permit casting a one piece post and base.

Abstract: The invention provides a disposable plastic mold assembly for an intraocular lens or the optic body thereof, which is inexpensive, less labor intensive than prior art intraocular lens molding techniques, and produces an intraocular lens having smooth, polished edges which require little or no post-mold finishing work. Numerous innovative features of the invention include an edge design which assures a seal between the male and female molds to thereby minimize flash during the cast molding operation, and the provision of a way to pre-align the male and female molds during assembly, consisting of an interference fitting relationship between the male and female molds.

Abstract: Time stamp for insertion into a mould for metal or plastics processing, with a basic body which can be inserted into the mould and in which an insert designed as a screw is arranged rotatably. The insert, in order to maintain its rotary position relative to the basic body, is retained in the basic body in that its shank end is in threaded engagement with a spring-pretensioned holding part arranged in the inner region of the basic body, so that the shoulder of the head portion of the insert can be pressed constantly against an annular radial step formed on the basic body.

Abstract: An apparatus for manufacturing form-fitting insoles, including two trays on the bottom of each of which a piece of load-deformable fibrous spongy material is placed; the material is impregnated with a foaming reagent preparation and is covered in its upper region with a piece of double-stretch fabric treated so as to be impermeable, on which the user places his feet until the reaction is completed. The trays extend from separate box-like structures which are mutually associable by virtue of a retention pivot that allows mutual rotations about a vertical axis from a side-by-side position so as to move apart, and vice versa, and allows translatory motions along the same axis.

Abstract: Tooling for facing a wall includes a plurality of cavities which are formed by four blades, each of the cavities corresponding to various brick sizes. Six lines of interconnected cavities are attached to a cross beam. Adjacent cavities and lines are spaced from another by a predetermined dimension. Unset settable building material is mixed with appropriate colouring and waterproofing agent and is applied to a wall to form an outer layer. The surface thereof is sponged to produce a brick like surface relief. The tooling is pressed into the outer layer to impress a pattern resembling brickwork. Unset material is sucked from the joint line space between adjacent cavities and the layer is allowed to set. Then, mortar is added to the joint line. Once the mortar has set, the final outer layer has a true brick finish that resembles a real brick wall. The unset settable material can be applied to damaged or wood walls so that a true brick finish can be given to a wall in a quick, simple and cost effective manner.

Abstract: A monobloc mold for making pressed glass containers having engraved volumetric indications has corresponding male and female die portions. The female die is engraved in the lateral wall with volumetric indications and is engraved in the bottom wall with specifications relative to the volumetric indications. The volumetric indications comprise at least one series of horizontal lines and a symbol corresponding to each series, and the specifications comprise for each series the corresponding symbol and a verbal description of the information revealed by the volumetric indications, so that the indications and specifications are imparted to a glass container formed by pressing in the mold.

Abstract: A plastic pipe bending jig is provided with two offset bending members to fabricate an offset bent pipe. Each bending member is provided with first and second support surfaces, wherein the first support surfaces of each bending member are linearly aligned with each other and the second support surface of each bending member are parallel but offset from each other. The position of the bending members is adjustable so that the pipe offset can be changed as desired.

Abstract: A water filling assembly for ice trays including a reservoir disposed in water delivering relation to each of a plurality of vertically stacked ice trays within a housing wherein the reservoir and trays are cooperatively structured to successively fill each of said trays from an uppermost one in the stacked array to a lower most one upon the selective passage of liquid from said reservoir to said trays.

Abstract: A pattern for defining the profile of an arch is produced from a unitary block of material or materials having the required structural strength to support the arch materials during construction and sufficient ductility or resilience at its surface to accommodate irregularities present in the arch materials. The pattern may be produced from a single block of polystyrene material whose upper profile corresponds to the desired underside of an arch to be constructed using the pattern and whose undersurface is generally flat.

Abstract: A hybrid laminar flow nacelle for housing an engine of an aircraft includes an outer annular cowl having a leading lip and radially spaced and axially extending annular outer and inner forward surface portions which merge at the leading lip. The nacelle incorporates a suction bleed system between the surfaces and a tailored outer surface geometry shape for producing reduced friction drag laminar flow over the outer cowl at cruise operation of the aircraft and producing separation-free flow over the inner surface of the cowl at off-cruise operation of the aircraft.

Abstract: A container for making ice cubes having a generally prismatic hollow configuration, a front side of which includes rows of truncated pyramidal cavities, the back wall having mutually perpendicular stacking ribs for mating with the cavities of a juxtaposed container, and the top wall having a fill and emptying aperture closed by a screw cap or stopper. The container also has a fill marking on one of the sides and flow channels between the cavities.

Abstract: Webs for reducing bending in board-shaped construction elements when in use have their main direction of load perpendicular to the board plane. The devices have a sandwich of at least one first material layer, one second material layer, and one third material layer. The third material layer lies between the other two material layers and has a substantially higher coefficient of heat expansion than the other two material layers, so as to set up contracting biasing forces in the third material layer. The third material is made of a sheet metal strip. The two other materials are made of thermosetting plastic, which sets at a temperature considerably above the working temperature of the construction element.

Abstract: An apparatus as disclosed for making concrete forms for making stairs. A substantially planar member has a riser end and a pivot end substantially opposite the riser end and has first and second. A pivot point rotatably fixes the pivoting end to a stringer so that the riser end can pivot with respect to the pivot end. A riser support member is mounted perpendicular to the planar member adjacent the riser end and extends to each side of the planar member. A kneeboard support may be placed on both sides of the planar member so that a kneeboard may be placed between one apparatus and a corresponding apparatus on the other side of the stairs. A scale may be provided for positioning the apparatus with respect to the stringer to facilitate mounting subsequent apparatus to a given stringer. The riser support member may be slanted to provide a constant toe-in or kickback.

Abstract: Molded contact and intraocular lens blanks are lathe cut into the finished lens without demolding and prior measurement of the blank by the use of a hemispherical based mold with at least one key way adapted for spindle bore feeding to a lathe equipped with a hemispherical locating ring and corresponding key. Among other things the mold and method disclosed provide a convenient way to generate prism or multiple curve segments as required for segmented bifocal lenses or the like.

Abstract: A clear, cylindrical, flexible gasket having an annular shoulder located on the interior surface thereof, midway between the ends. The gasket is sized to accept two lens half molds, one on either side of said shoulder to form a lens casting cavity. Each side of the shoulder has first and second annular protrusions extending therefrom for contacting and providing an annular double seal along the edges of each of the half molds. The surface of the shoulder which forms the side of the lens casting cavity is curved in order to reduce stress to a minimum during the shrinkage of the lens casting resin during the cure period. In addition, the casting surface of the shoulder is formed such that the final molded lens will have an outer ridge thereon. One end of the cylindrical gasket has an enlarged edge for additional strength and is provided with index markings thereon which extend beyond the edge and down the outer side of the clear gasket. Two identical fill ports are provided on opposite sides of the gasket.

Abstract: A wax ring tube used in manufacture of a ring-like ornament by casting it using a lost-wax process. Plotting graduations are formed on inner peripheral wall surface of a hole bored along the lengthwise direction of a wax ring tube body.

Abstract: A matrix balancing fixture that has a pair of fixedly positioned spaced cartridges positioning opposed top and bottom templates for movement towards each other for engaging a test article at spaced vertical portions thereof with the test article being in an open ended box positioned between the cartridges; the fixture having a pair of indicators having operating members slidably mounted therein positioned on upper portions of the cartridges in spaced relation in a horizontal plane and control members connecting the templates on a cartridge to the indicators on the cartridge for convenient reading thereon.

Abstract: A system in process for producing an improved plastic molded optical element such as a mirror or lens is provided. The molded optical body has at least a surface portion designed for effective interfacing with incident light by reflection or refraction. Discontinuities form reference points at fixed positions on the molded optical surface. The reference points can include a projection or recess formed at the center of the lens system on the optical axis having a sufficient magnitude in size for measurement to determine a spatial position of the optical element but limited in size to prevent any perceptible aberration to be introduced within the desired application of the optical element.

Abstract: A gasket assembly for casting optical lenses includes a first gasket member having a cylindrical opening therethrough and an annular flange extending radially inwardly in the cylindrical opening. One surface of the flange is adapted to receive a casting lens die, and may be disposed in a plane not perpendicular to the axis of the cylindrical opening. A second gasket member is adapted to be received in the first gasket member, and includes an inwardly extending annular flange having one surface adapted to mate with the flange of the first gasket member. The other side of the annular flange of the second gasket member includes a shaped surface adapted to receive a lens casting die having the capability of conferring on the cast lens any combination of power and cylinder characteristics, the shaped surface being configured to mate and seal with the peripheral area of the compound surface of the die.

Abstract: A gang tool assembly for drilling a precise pattern of holes in a workpiece or otherwise cutting surfaces and the like on such workpiece and including a mounting panel of cured settable material having a pattern of holes formed therein to receive supports for powered tool heads to detachably support the same to form a gang pattern of either drills or cutters for simultaneously drilling a pattern of holes in a workpiece or forming a surface thereon. The mounting panel is formed by mounting a pattern of pins upon a base mold plate, surrounding said plate with mold sidewalls, placing sleeves upon said pins, pouring a settable slurry of high fracture strength of uniform thickness around said pins, allowing the material to cure to rigid condition, and removing the molded rigid panel and sleeves in situ therein from said base mold plate and pins to provide a rigid supporting panel for a gang of powered tool heads having supports extending through said sleeves.

Abstract: An aid for molding a filling material used in the cranioplasty to fill in a defective part of the skull. The aid allows a quick, efficient molding. It includes a bar made of an elastic material and being of a substantially L-shape section and a core member embedded therein to maintain the aid in a desired position.

Abstract: Apparatus is provided for fabricating ophthalmic lenses of the single vision and bifocal type comprising a holder having a base portion for support thereof. An outer circumferential side wall extends upwardly from the base portion and terminates in an upper surface which is disposed in substantially parallel relationship of the bottom surface of the holder base portion. The side walls comprise a plurality of equally spaced support posts. The support posts are provided with a lower step and an upper step with the upper step being disposed radially outwardly of said lower step. The lower steps define a parallel support surface upon which there is disposed a lower mold. The upper steps define a parallel support surface upon which is disposed an upper mold. The upper and lower support surfaces being disposed in substantially parallel relationship.

Abstract: A cake pan with a horizontal bottom and peripheral upstanding side walls temporarily receives one or more cake-shaping modular inserts while a cake is being baked, or otherwise fixed in shape. A matrix, or gridwork, delineated on the bottom of the receptacle is matched to the size and shape of the modular inserts and provides a guide for the proper positioning of the modular inserts in order to form the cake into selected alphanumeric configurations.

Abstract: A device of producing a model of Baryon states comprises a form permanent body divided into two halves along a plane interface and forming at least one cavity. This cavity is defined by a spheroidal transformation of a homomorphic Euclidean representation of an invariant gauge field symmetry of the Baryon, in a root vector lattice corresponding to the analytical symmetry of the three-dimensional, spherical 0 (3) Lie algebra. The cavity has a symmetry plane in said interface.

Abstract: A reusable form for a formed in place concrete pad positioned near a structure. The form including two spaced side beams of a predetermined length beam having first and second ends, each of the first ends are adapted to engage the structure in an abutting relation. The form further including a front beam engaging the side beams at said second ends; a pin hinge for connecting the front beam to the side beams proximate the second ends; and transverse stabilizer means mounted to and suspended above the side beams for establishing a parallel spacing between the side beams for squaring or establishing a perpendicular relation between the side beams and the front beam.

Abstract: A lens having a set of physical features provided on the edge thereof for permitting a set of reference marks to be placed on the lens surface together with an apparatus for applying these physical features to the lens. The apparatus comprises a mold assembly in which the gasket is provided with a plurality of precisely located ridges which define a plurality of corresponding notches formed on the edge of the lens to locate, for example, the distance portion optical center and the 0.degree.-180.degree. lines of a progressive power lens. The gasket is additionally provided with other ridges adapted to mate with grooves formed on the mold member defining the progressive lens surface to ensure proper alignment of that member with the gasket.

Abstract: Apparatus for precasting concrete products wherein dry mix is deposited in casting cavities defined by mating upper and base form sections, vibrated and/or pressure compacted, and the upper form section removed immediately for curing of a free standing green cast product. A single upper form section cooperates with a number of base sections and the latter are used to transport the green cast products for curing. Automatically separable base section parts are also employed for the transport of cured products. Forms are adapted for fork lift handling and include high intensity vibrators, sight openings for ascertaining a cavity full condition, closure plates for fill openings, pressure applying and finishing devices, and sectionalized construction for various size products. Casting machine includes mix delivery apparatus and form handling apparatus for upper and base form sections for automated casting and transfer of green cast products for curing.

Abstract: Preparation of precast concrete slabs on a casting bed is facilitated through the use of a lay-out cart which moves along over the bed on wheels which engage parallel rails on opposite sides of the casting bed. Production hardware for a days casting can be loaded on the cart and positioned at the proper longitudinal and transverse positions on the bed by workmen riding on the cart and placing the hardware on the bed through an access opening formed through the cart. The access opening is preferably at least as wide as the bed to provide access to the bed across its entire width, and a fixed scale and movable indicator are associated with the access opening to locate specific positions transversely of the bed. A longitudinal scale extends the length of the bed and the cart carries an indicator which is movable along the longitudinal scale to locate positions along the length of the bed.

Abstract: A reusable mold for shaping moldable material comprising a flexible freestanding wall capable of being formed in any desired shape to form the contour of the material to be molded, and a method for assembling and using the mold. The mold may include several interconnecting sections and means to hold the mold tightly against a base section to prevent leakage of the moldable material. Preprinted designs may be provided for shaping the mold to follow a desired design outline.

Abstract: A method and apparatus for forming cured polyethylene insulation about high voltage cables by applying uncured polyethylene around a core of the cable. The polyethylene is heated, cured and then cooled to room temperature in a pressurized nitrogen gas atmosphere. In one form the molding apparatus comprises first and second mold forms which define a cavity and which include means for heating the mold halves to the polyethylene curing temperature. Means is also provided to introduce the pressurized nitrogen into the cavity and for subjecting cable portions that extend beyond the mold to pressurized nitrogen until such cable portions are sufficiently cooled to prevent their deformation under pressure, to prevent the oxidation of polyethylene and/or to prevent the formation of voids or enclosures.

Abstract: Apparatus for and method of forming ophthalmic lenses and/or semi-finished lens blanks including those of the eye contact type. The apparatus includes molds having cooperating first and second members each of which includes a longitudinal axis and a mold surface which is symmetrical with respect to such axis. In one embodiment these mold members or halves also include cooperating surfaces which, in operation and in cooperation with the selected lens material, both align the respective mold axes and axially position the mold surface of the first member with respect to the mold surface of the second member to thereby form the desired lens mold cavity. Further, each of the assembled molds also includes an annular reservoir which surrounds the mold cavity and is defined by surfaces provided on the first and second mold members. This reservoir is connected to the mold cavity via an annular restriction.

Abstract: A system for producing precast manhole bases including an apparatus consisting of a mold jacket defining vertical walls and a mold form disposed within the jacket. The form includes the central portion spaced inwardly from the jacket and channel forming members extending over the central portion with inserts attached to the channel forming members and extending into contact with the jacket walls. When concrete is poured over the mold form and allowed to solidify, the walls of the manhole base form between the jacket walls and the mold form. The vertical walls of the base form between the jacket and the central portion, and the bottom wall of the base forms over the central portion with the channel forming members defining the channels in the bottom wall of the base. The inserts result in openings through the base walls in communication with the channels.

Abstract: A shaker molding assembly. The assembly includes mold halves which are urged together as they are pushed into a holder. A measuring cup can be held against the mold halves to urge them into the holder. Ribs on the mold halves cooperate with a frusto-conic wall of the holder to urge the mold halves together. A mixture of water and a molding powder are shaken together in the assembly to form a smooth mixture. The molding powder includes an alkali metal alginate, calcium sulfate, tetrasodium pyrophosphate, and a filler. The mixture sets to form a jelly-like object which dries to form a rigid object of smaller size which is a substantially exact miniature of the jelly-like object.

Abstract: The means for creating perforated concrete casing comprises a hollow cylindrical canister having a plurality of spaced apart rows of elongated openings formed therein. The elongated openings in each row are horizontally disposed and are vertically spaced. A first support means is secured to the outside surface of the canister adjacent each row of openings. A plurality of vertically spaced plates are mounted on each of the first support means and are selectively movable into and out of the openings of the associated row. A second support means extends upwardly through the canister and has a plurality of vertically spaced wedges mounted thereon. The second support means is movable towards the canister so that the wedges will penetrate the stiff concrete positioned adjacent the inside surface of the canister so as to create tapered perforations therein.

Abstract: A reusable column mold particularly adapted for use in casting concrete pillars or columns, that mold including a sheet of flat, flexible material which can be rolled into a columnar configuration to erect the mold form and which can be readily stripped from a set-up concrete column cast into the mold form. In preferred form, the flat sheet is of a rectangular configuration and is characterized by a plurality of tongues on one side edge which, when the sheet is rolled into columnar configuration, are adapted to fit into slots in the sheet located on one of a series of slot lines (the slot lines are parallel to the sheet's tongued side edge and are positioned intermediate the sheet's side edges); the cross-sectional area of the mold form is determined by that slot line of the sheet which cooperates with the sheet's tongued edge.

Abstract: To compensate for shifts of the mid-circumferential centerline of an expansible carcass relative to the apparatus for expanding the carcass into an inexpansible breaker-belt positioned coaxially and in annularly spaced relation therearound, a reference plane is provided by three circumferentially spaced points directly connected to and equidistantly from the mid-circumferential line of the carcass. The breaker-belt can then be registered in symmetrically centered relation to the carcass by reference to such reference plane despite shifts of such line relative to the apparatus.The foregoing abstract is not to be taken as limiting the invention of this application, and in order to understand the full nature and extent of the technical disclosure of this application, reference must be made to the accompanying drawing and the following detailed description.