Abstract: A process is described for making a set of precision tweezers (1) which includes a grip (2) with two tines (2′, 2″), to each of which is attached a shaped tip (3′, 3″), characterized by the fact that it includes the following phases:

Abstract: A composition for substrate materials according to the present invention includes 70 - 95 wt. % of inorganic powder and 5 - 30 wt. % of thermosetting resin composition and is in a finely crushed condition. The composition for substrate materials is prepared, for example, by crushing into fine pieces and mixing the inorganic powder and the thermosetting resin composition. A heat conductive substrate is provided with an insulator body formed by heating and pressurizing said composition for substrate materials and a wiring pattern is provided in such a condition that it is exposed on the surface of the insulator body. A process for manufacturing the heat conductive substrate comprises forming said composition for substrate materials into the insulator body by casting the above mentioned composition for substrate materials into a metal mold to be heated and pressurized so that said thermosetting resin is cured.

Abstract: The present invention realizes spreading a sheet on a frame member by a simple structure and a simple process, and prevents uneven tension charged against the sheet. In the sheet spreading method of the invention, a core member for a backrest of a chair which is heated to around 200° C. in a furnace is put into a flow dipping tank filled with powder resin. As a result, a resin coating is formed on the surface of the pipe constituting the core member. Also, a mesh is placed on a metal mold and clamped. Since a recess corresponding to the shape of the core member is formed in the top side of the metal mold, the mesh is spread on the core member with a tension charged against when the core member having the above-mentioned coating is pressed into the recess.

Abstract: An over-molded product, such as a container, and a method of manufacture. The product is primarily used for enclosing hazardous materials and is formed by utilizing a thermosetting plastic material in a reaction injection molding process at low temperature and pressure to envelop adjacent portions of two or more components to form the desired product. This provides a mechanical interface but avoids a chemical reaction which would degrade the components.

Abstract: A method of making an acoustic device in the form of a loudspeaker drive unit having a resonant panel-form member adapted to provide an acoustic output when excited with bending wave energy, comprising forming a resilient suspension for the panel-form member by moulding and simultaneously fixing the resilient suspension to the panel-form member.

Abstract: An over-molded product, such as a container, and a method of manufacture. The product is primarily used for enclosing hazardous materials and is formed by utilizing a thermosetting plastic material in a reaction injection molding process at low temperature and pressure to envelop adjacent portions of two or more components to form the desired product. This provides a mechanical interface but avoids a chemical reaction which would degrade the components.

Abstract: A method of grouting which permits the joining together of two parts by means of a binder and, more particularly, the sealing of one part in another, in particular the sealing of a prosthesis in a bone cavity. The method includes producing in the part to be sealed a channel which passes through the part along an axis substantially parallel to the axis of the introduction of the part to be sealed into the recess formed in the part intended to receive it, and injecting the binder into the channel until the binder fills the space between the part and the wall of the recess. Centering elements can be placed around the part in the space present between the part and the wall of the recess, and a packing part can be positioned, around the part to be sealed, on the opening of the recess. The injection channel made in the part which is to be sealed can be provided with a thread which makes it possible to introduce a threaded rod into it for the extraction of the part.

Abstract: Method of preparing a decorative emblem including providing a rigid substrate having on the front surface a 3-dimensional design having protrusions or recesses; placing the substrate in a first mold having an inner surface which closely contacts part of the substrate front surface to provide a gap between an mold inner surface and a front surface; injection molding a first plastic through one or more conduits extending from the back surface of the substrate to the front surface to fill the gap and solidifying the first plastic material; covering at least part of the 3-dimensional design and the first plastic material with a second transparent plastic to form a protective cap by placing the substrate in a second mold having an inner surface which closely contacts part of the surface of the substrate to provide a cavity into which the second plastic is injected.

Abstract: A composite article including a tubular body having a front end, a rear end, a peripheral wall extending between the front and rear ends, a wall support located rearwardly of the front end of the peripheral wall and at least one paragraph formed in the wall engaging support. An end cap is positioned on the front end of the tubular body to obstruct the wall engaging support except for at least a portion of at least one of the passages and to define a channel between the end cover and the peripheral wall. A plastic coating fills at least one passage in the channel and overlaps the cover to fasten the cover to the tubular body.

Abstract: A method of making a speaker comprises providing a pair of dies which define between them a cavity. A first portion of the cavity receives a diaphragm of the speaker. A second portion of the cavity adjacent an outer perimeter of the diaphragm receives a fluid thermoplastic elastomer for forming a diaphragm surround. The second portion includes a perimetrally inner first region adjacent the outer perimeter of the diaphragm for receiving the thermoplastic elastomer to form a perimetrally inner flange for bonding to the diaphragm adjacent the outer perimeter of the diaphragm. The second portion includes a central second region for receiving the thermoplastic elastomer to form a connecting arch of the surround. The second portion also includes a perimetrally outer third region for receiving the thermoplastic elastomer to form a perimetrally outer flange for attachment to a diaphragm support. A diaphragm is placed between the dies. The dies are closed.

Abstract: A group of upper side male terminal fittings 2A and lower side male terminal fittings 2B are secured to the upper and lower surfaces of a mount plate 8 formed as a separate piece by pressing projections 12 into mount holes 16, thereby forming a core member 7. A housing 1 is formed by insert molding using this core member 7 as a core material. Since insert molding can be performed with the outer surfaces of the male terminal fittings 2A, 2B opposite from those secured to the mount plate 8 exposed, only the thickness of the housing 1 is added at the outer surfaces of the male terminal fittings 2A, 2B. Thus, there can be obtained a connector having a small thickness T around the male terminal fittings 2A, 2B.

Abstract: An article of manufacture in the form of a novelty item comprising a solid spherical member having a smooth, polished outside surface. The member is comprised of a hard transparent material such as polyester, acrylic or polyurethane. A three-dimensional object having multiple voids is embedded in the transparent material. Preferably, the three-dimensional object is a model race car from which the windows have been removed. It has been discovered that when embedded in the transparent material, the model car has the appearance of having particularly clear windows.

Abstract: A plastics material valve for a device for packaging and dispensing a substance. The valve comprises an actuator rod and a valve body, the actuator rod having a passage for passing the substance to be dispensed, the valve comprising closure means suitable for being held in the receptacle by the valve body and suitable for closing said passage, the actuator rod being capable of being displaced in the valve body between a first position in which said closure means close said passage and a second position in which said passage is released to enable the substance to be dispensed, the valve further comprising resilient return means for returning the actuator rod to said first position, the resilient return means comprising at least one bridge of material inter-connecting the actuator rod and the valve body and suitable for deforming elastically and for urging the actuator rod into said first position.

Abstract: A method of flowing resin from an inlet opening into a sealed mold and a lay up which is comprised of at least one top layer of absorbent or reinforcing material which defines a passage or hole from the inlet opening to a non-absorbent layer which non-absorbent layer lies above at least one bottom layer of reinforcing material. This process flows the resin from the inlet opening into the mold then through the passage defined by the top reinforcing layer through the non-absorbent layer and then through channels defined by the non-absorbent layer throughout the lay up.

Abstract: A device and process for electrically connecting two electrical components or devices to each other by means of electrical, flexible conductors, in which the electrical conductors are prefabricated and then connected by means of a welding or soldering process to corresponding electrical connections of the component. In particular, a process and a device are for fixing the conductor ends and achieving an easy-to-handle embodiment of the conductor ends for producing the connection.

Abstract: A method for manufacturing a shoe, which includes the steps of:arranging an upper-insole assembly about a last;coupling an intermediate member comprising a toe portion and a heel portion to a lower region of the upper-insole assembly arranged about the last; andarranging the intermediate member in a mold and introducing plastic material into the mold so as to form an injected plastic material member which surrounds the intermediate member and which is integrally connected with both the intermediate member and the upper-insole assembly.

Abstract: A structural member for reinforcement of asphalt and concrete roadways and other products, and which includes a gridwork of warp strands and weft strands which are disposed at right angles to each other and so as to define an open structure. In one embodiment, the gridwork is impregnated with a thermosettable B-stage resin so as to interlock the strands at their crossover points and maintain the gridwork in a semi-flexible state, and after being applied to the product to be reinforced, the resin is heated to convert the same into a fully cured composite to thereby rigidize the gridwork and reinforce the product. In cases where the product to be reinforced is heated, such as asphalt paving, the heat of the product provides the heat necessary to fully cure the resin in situ. In another embodiment, the resin is fully cured to rigidize the gridwork prior to its being applied to the structure to be reinforced. A method of producing the resin impregnated gridwork is also disclosed.

Abstract: To provide a molding apparatus and a molding process which enable a primary product molded in a primary mold to be held in a secondary mold stably, so that the primary product may not be displaced by a synthetic resin material injected into the secondary mold. If a synthetic resin material is injected into a primary mold cavity 173 in a primary mold 85 into which molding protrusions 187 project, there is molded a primary product 340 having engaging holes 191 formed on its surface. Protrusions 227 projecting into a secondary mold cavity 225 in a secondary mold 87 are engaged in the engaging holes 191 of the primary product 340 to secure it in the secondary mold cavity 225, and a synthetic resin material is injected into the secondary mold cavity 225 to mold a secondary product 361 having through holes made by the engaging protrusions 227 formed on its surface through which the engaging protrusions 227 are removable.

Abstract: Microplates and methods for manufacturing microplates. The microplate is designed to allow UV radiation to pass through the bottom wells of the microplate so that the microplate can be used for assaying samples by use of UV absorbance. In one embodiment, the microplate comprises at least first and second wells, each well having a UV permeable bottom. In another embodiment, the microplate comprises a frame having an upper portion and a lower portion contiguous with the upper portion and a sheet disposed between the upper portion and the lower portion and defining the bottom of at least one well of the microplate.

Abstract: A molded nipple connection system for permanently molding a metal nipple within a plastic container that is not susceptible to expansion/contraction forces incurred by the plastic container. The inventive device includes a metal nipple having a threaded end or a cincture surrounded end, a lumen, an immersion end positioned within the plastic during molding, and a plurality of openings adjacent the immersion end. The plurality of openings allow the liquefied plastic during molding to project through the exterior surface of the metal nipple into the lumen of the metal nipple where it is joined with liquefied plastic within the lumen of the metal nipple. After hardening of the plastic, the mold is removed and the metal nipple is captured within the plastic container because of the plastic-securing loop created through the plurality of openings. The plurality of openings are preferably slots, however they may comprise various other well-known shapes.

Abstract: The present invention relates to a method of manufacture of a slider of a rectilinear guide unit for guiding a movable body such as a work table of a machine tool, an industrial robot or the like by moving along an orbital rail arranged on a stationary section such as a bed, column or the like as it bears a load thereon. This method comprises a first step in which a metallic block main body as a core of the slider is machined to a predetermined shape and to form ball load rolling contact surfaces in the block main body and a second step in which the block main body machined in the previous step is inserted into a mold so as to allow a die-molding material to be padded thereon to thereby form an endless ball circulation path wherein in the first step, chamfered sections are formed on the corners of the block main body corresponding to a portion where the above-mentioned endless ball circulation path is formed.

Abstract: A composite member has a diecast part and a hub part that consists of a harder material than the diecast part. The diecast part is attached to the hub part by diecasting within a diecast mold. The hub part has at least one end face. The at least one end face has an annular sealing projection that, during diecasting of the diecast part, rests at a surface of the diecast mold and is deformed by the diecast mold.

Abstract: An expandable gap filling product, such as a gasket or baffle, including a plastic support structure formed with at least one aperture and an expandable material molded together with the plastic support structure such that a portion of the expandable material enters the aperture to assist in holding the expandable material to the plastic support structure. The expandable material may be a conventional expandable rubber product that expands under heat to fill a defined space, such as an automotive body interior space. Apertures in the support structure may have converging side walls to further assist in holding the expandable material in place. The support structure may be molded as a mesh material with a plurality of apertures. Methods of molding the expandable gap filling product include injection molding and overmolding or insertion molding methods.

Abstract: A separator cartridge comprises a support screen comprising a substantially rigid reinforced plastic cylinder including an inner first major surface and an outer second major surface, a first nonwoven polymer layer adhered to the inner first major surface of the support screen, a second nonwoven polymer layer adhered to the outer second major surface of the support screen, and a polymeric screen contacting and frictionally engaging the second nonwoven polymer layer, the polymeric screen including a hydrophobic coating. The invention also contemplates a process for preparing the separator cartridge.

Abstract: A method for producing a bicycle saddle includes the steps of:(a) forming a rigid saddle base having therein a hole;(b) positioning the saddle base on a projecting mold part of a male mold, wherein the projecting mold part has a surface contoured to complement a concave inner surface of the saddle base, and the surface is formed with an indentation;(c) placing a foam material in a female mold;(d) causing the projecting mold part to project into and close a mold cavity of the female mold; and(e) forming a saddle cushion around the saddle base by causing the foam material to expand and fill a space around the projecting mold part and then fill the indentation in the projecting mold part through the hole in the saddle base.

Abstract: The present invention realizes spreading a sheet on a frame member by a simple structure and a simple process, and prevents uneven tension charged against the sheet. In the sheet spreading method of the invention, a core member for a backrest of a chair which is heated to around 200.degree. C. in a furnace is put into a flow dipping tank filled with powder resin. As a result, a resin coating is formed on the surface of the pipe constituting the core member. Also, a mesh is placed on a metal mold and clamped. Since a recess corresponding to the shape of the core member is formed in the top side of the metal mold, the mesh is spread on the core member with a tension charged against when the core member having the above-mentioned coating is pressed into the recess.

Abstract: First and second molten resins are continuously injected toward the respective circumferential surfaces of a die wheel and an associated roller in rotation in opposite directions. The die wheel has in its circumferential surface a multiplicity of engaging-element-forming cavities, and the associated roller is disposed in parallel confronting relationship with the die wheel with a gap equal to the thickness of a substrate sheet of a molded surface fastener member. During that time, a porous core sheet is introduced toward a meeting point of the first and second molten resins and is sandwiched between a first substrate sheet part, which is molded on the circumferential surface of the die wheel, and a second substrate sheet part, which is molded on the circumferential surface of the associated roller, to form a unitary laminate substrate sheet. The resulting molded surface fastener member is free from expansion and local thin portions in either substrate sheet part and is therefore prevented from being torn.

Abstract: A highly fire resistant construction board is produced by embedding a sheet of expanded metal net in a building board made from a water settable inorganic binder. In a preferred embodiment, the wallboard is made from a combination of gypsum, cement, and a particulate mineral filler such as perlite or vermiculite, and contains an embedded layer of expanded metal net made from a magnesium alloy.

Abstract: A method for manufacturing a shoe sole includes step (1): preparing an inside part which has two passages defined therethrough, step (2): placing the inside part into a mold, step (3): injecting foam material into the mold to let the foam material fill in the two passages and heating the foam material so as to form abonded combination, and step (4): removing the bonded combination from the mold and drying the combination.

Abstract: A one-piece nipple/collar includes a rigid collar having an exterior surface and an interior surface with a fastener thereon for detachably connecting the same with a nurser bottle or the like. A flexible nipple is molded over at least a portion of the exterior surface of the collar to form an integral, one-piece unit. The nipple extends along at least a portion of the exterior surface of the collar to a termination point that is spaced apart from the interior surface of the collar to avoid interference with the fastener.

Abstract: An outsole for a shoe is formed a thin, flexible, nonporous and inelastic sheet material having a pattern of perforations through it, and a plurality of tread elements of a hard, wear-resistant material molded onto a first side of the sheet material by a process in which the tread forming material is inject through the perforations in a manner such that at least some of the resultant tread elements have anchoring portions extending through the perforations from an opposite second side of the sheet material, a portion of the sheet material around the perforations being held between the tread elements and the anchoring portions. A pattern of treads of various shapes and sizes can be provided in a configuration generally conforming with the sole surface to which the outsole is to be applied, so that a minimum of tread material wastage occurs when the outsole is cut out from the sheet material.

Abstract: A method for continuously manufacturing a plastic foam reinforced by at least one fibrous material comprising continuously conveying a carrier along a production line, supplying on top of the carrier a foam-forming mixture and at least one continuously moving fibrous material, the fibrous material being non-expansible and having holes penetrable by the mixture, the mixture being supplied above both the fibrous material and the carrier or below the fibrous material and between the fibrous material and the carrier, passing the carrier, mixture and fibrous material between two spaced opposed constricting members which lie one above the other and form therebetween a metering gap for distributing the mixture over the carrier and fibrous material, and allowing the mixture after passing through the gap to freely expand and penetrate the holes of the fibrous material to form a reinforced plastic foam which has an exceptionally flat surface.

Abstract: A method for filling a hole in a printed wiring board (PWB) and the resultant PWB. During an intermediate stage in fabrication, a PWB comprises a lamination of dielectric sheets with metalizations on various layers and a plated through hole (PTH). A photoimageable material is formed on a surface of the laminate and covers the PTH. The photoimageable material in a region covering the PTH is partially cured by exposure to light. The remainder of the photoimageable material is developed away. Then, the partially cured photoimageable material in the region of the PTH is pressed into the PTH to form a plug. By application of heat during or after the forcing step, the plug is further cured to a hard condition. For some applications, the plug is mechanically abraded to be flush with one or both surfaces of the laminate.

Abstract: A method of making a resilient composite structure having an exposed reinforcing fabric layer free of structural foam and curable resin and for manufacturing a composite article utilizing the resilient composite structure. The method for manufacturing a composite article includes the steps of positioning at an attachment point within the first plastic shell a resilient foam core composite structure having an exposed reinforcing fabric layer attached to a non-woven fabric layer on one side thereof, the resilient foam core substantially filling interstices of the non-woven fabric layer, without substantially penetrating the reinforcing fabric layer; saturating said reinforcing fabric layer with a curable plastic resin; positioning said second plastic shell on said first plastic shell so that said resilient composite structure contacts an attachment point of said second plastic shell and is compressed between the plastic shells; and allowing said plastic resin to cure.

Abstract: A composite spring-damper and method of making same. The spring-damper has an exposed fabric layer free of structural foam and curable resin. A core formed of resilient foam defines a spring shape and a fabric layer disposed on an outer surface of the core is attached to foam core by means of the foam having substantially filled only interstices of an inner portion of the fabric layer, without substantially penetrating an outer portion of said fabric layer; whereby the fabric layer of the composite spring-damper may thereafter be substantially completely saturated with a curable material for lamination to another structure. An attached reinforcing fabric layer may be provided on the exterior surface of the fabric layer, in which case the fabric layer may be entirely saturated and only the attached fabric layer substantially free of foam.

Abstract: A process for substantially covering with at least one non-rigid decorative foil a visible face of a support part of plastic material, so as to obtain a finished part including a decorative inset, including the steps of a) inserting into the mould the foil having a decorative area with the foil having a decorative area, intended to form the inset, and a further area, b) closing the mould at least partially by moving the two mould parts together such that the foil creates a continuous separation of the moulding cavity into a first space and a second space, c) inside the moulding cavity, cutting at least one aperture in the foil at the location of the further area, such that the first and second spaces of the cavity are placed in fluid communication by the at least one aperture which henceforth interrupts the separation between these two spaces so as to enable the plastic material to pass through the at least one aperture, leaving a cut end of the foil in the moulding cavity, d) before and/or after steps b) and

Abstract: A method of improving the adhesion of a coating such as concrete to a metal strip which is helically wound around a pipe including a metal strip having the longitudinal and transverse wires, choosing distances between neighboring longitudinal wires that are evenly distributed over the length of the pipe including overlapping zones, overlapping the longitudinal wires having greater deformations which are offset from the longitudinal wires with smaller deformations in a direction along the central axis of the pipe and are offset in a direction away from the central axis of the pipe and all the deformations are disposed in the same plane.

Abstract: A metal backing for inclusion in the manufacture of a prosthetic component having a plastic on an upper surface and has a bottom surface portion with elements for attachment to a bone. The backing has an upper surface portion at least part of which is formed by a grill element having exposed front and rear faces and which is intended to be embedded within the plastic bearing member during construction. The plastic bearing material of the bearing element can be molded so that all the faces thereof exposed to the grill are covered and the grill is embedded within the plastic material of the bearing element. The grill is located on a metal support and is provided with spacers on its front face to space the front face away from the support. The grill is cast integrally into the metal support during manufacture. The casting process includes casting a grill on both outer surfaces of the metal backing with the grill element including cross-members spaced from backing surfaces.

Abstract: Convoluted tubing for automotive wiring harnesses and other elongated substrates is provided with sound dampening qualities by filling the valleys between convolutions with a flexible, resilient foamed composition, such as silicone rubber, and foaming the composition to cause expansion of the foam so that ribs of foam project radially from the valleys. In a preferred embodiment, spaced apertures are formed in the valleys to allow the expanding foam to form radially inwardly projecting fingers which contact the wiring harness and act to dampen vibrations. The corrugated tubing may be axially slit and the slit allowed to be filled with the foamed composition which, when foamed, eliminates noises caused by movement of the edge surfaces of the slit when torsional forces are applied to opposite ends of the tube.

Abstract: In a method of forming a catheter having an inner layer, an intermediate braided layer and an outer jacket, wherein the intermediate braided layer terminates axially before the inner layer, leaving a forward end portion of the inner layer exposed, the steps of:a) before applying the outer jacket, loading a plastic sleeve over a forward end of the intermediate braided layer adjacent the forward end portion of the inner layer;b) heating the plastic sleeve to a temperature sufficient to melt the plastic sleeve;c) loading a terminal tip having an axial length over a forward end portion of the inner layer into abutting relationship with the forward end of the intermediate braided layer such that the terminal tip is supported by the forward end portion of the inner layer along all of the axial length of the terminal tip and not reinforced anywhere along the axial length by the intermediate braided layer;d) loading the outer jacket over the braided layer;e) loading a shrink tube over the outer jacket; andf) heating

Abstract: A process for placing a color graphic image in an ice structure requires a substrate of material which is suitable for use in a four-color (CMYK) printing method, which generally retains its shape upon exposure to water or aqueous solution, and which is air permeable. A decal is produced by printing the image on the substrate using the four-color printing method. The decal is placed onto a surface of the ice structure and coated with water which, once frozen, embeds the decal and image thereon within the ice structure. The substrate should become transparent or dissolve after being embedded in the ice structure. The process is suitable for ice hockey rinks, curling rinks, decorative ice sculptures, and the like.

Abstract: A waterproof connector housing which directly mounts on a device includes a hood portion for fitting on a mating connector housing, an elastic seal ring provided inside the hood portion for forming a watertight seal between the waterproof connector housing and the mating connector housing, and an O-ring for forming a watertight seal for the device. The O-ring is located at the proximal end of the hood portion which is to face the device. The elastic seal ring and the O-ring are integrally formed with each other through disengagement prevention portions and connecting portions of the elastic seal ring. The disengagement prevention portions extend through the proximal end portion of the hood, and each of the connecting portions interconnect their respective disengagement prevention portions with the O-ring.

Abstract: A method for making a composite structure, comprising the steps of: arranging a fabric layer in a configuration constrained against outward movement and defining a cavity between opposing surfaces of the fabric layer; dispensing a predetermined amount of a self-expanding, self-curable, uncured structural foam into the cavity, the foam expanding and curing in the cavity at a molding pressure determined by the predetermined amount of the foam and thereby attaching itself to the fabric layer to form the composite structure, the molding pressure causing the expanding foam to substantially fill only interstices of an inner portion of the fabric layer, without substantially penetrating an outer portion of the fabric layer; and, freeing the cured composite structure from the constraint of the arranging step, the outer portion of the fabric layer of the composite structure being thereafter substantially completely saturable with a curable material for lamination to another structure in a subsequent processing step.

Abstract: A method and apparatus of embedding separated elements in a molded member wherein at least one side of the separated elements is covered by the molded member. The separated elements are interconnected by links to form a unitary member, which is disposed in a mold cavity formed by first and second mold plates. A support pin positioned on a first side of the unitary member supports the unitary member while a punch pin is extended toward a second side of the unitary member and through the link interconnecting the elements so as to sever the link. At least one of the punch pins or the support pins is retracted away from at least one side of the separated elements before injecting a molten material into the cavity so as to form the molded member.

Abstract: A unitary or one-piece acoustical cabinet grille frame and a method for making the one-piece grille frame. In the unitary acoustical cabinet grille frame a sound-transmissible fabric is integrally bonded or fused to serrations in a slot within the shaped plastic face. In the method for manufacturing the one-piece acoustical cabinet grille frame, a sound-transmissible fabric is placed over a shaped plastic face. A heated fusion blade having the configuration of the slot is placed over the sound-transmissible fabric. The fabric is forced into contact with the plastic serrations in the slot and the plastic serrations are plasticated or melted. The sound-transmissible fabric is then fused with the plastic. Finally, the heated fusion blade is removed from the slot and the plastic is allowed to cool.

Abstract: Method and apparatus of making a reinforced composite structure wherein a reusable mold closure is mated to a mold to close off a mold cavity in which a reinforcement is positioned. The mold closure or mold includes a plurality of collapsible resin supply ports through which resin is pumped into the mold cavity from a source of resin to infuse or impregnate the reinforcement with resin. After the resin is introduced into the mold cavity, the resin residing in the resin supply ports is selectively cured to form respective cured resin plugs on which the resin supply ports collapse to seal them in air-tight manner. The resin residing in the mold and infused in the reinforcement is not cured at that time.

Abstract: A method of forming a golf ball by forming a core, forming a first layer around the core using a fixed-pin molding process, and forming a second layer around the first layer.

Abstract: A method of fabricating an ultrasonic coupler to a specified configuration such that the ultrasonic coupler is fabricated by freezing and defrosting an aqueous solution containing a polymer. A surface of the fabricated ultrasonic coupler is made to be smooth. The ultrasonic coupler is fabricated using an ultrasonic coupler fabricating die including members each made of silicone rubber which varies in compliance with the expansion and the contraction of the aqueous solution. To fabricate the ultrasonic coupler, the aqueous solution containing a polyvinyl alcohol (PVA) is poured into the die. Then, the die is subjected to the process of cooling to below the freezing point and the process of recovery to room temperature so as to progress a bridging of the PVA, thereby progressing a gelling of the aqueous solution.

Abstract: A shaft assembly comprising an elongated member having at least a portion which is hollow, tubular, shell like having an inside surface defining a shaft core and an outside surface defining a shaft functional surface, the shaft core being filled with a hardened, moldable material, and the shaft functional surface having at least one functional feature thereon, which is of hardened, moldable material integrally molded with the hardened, moldable material in the shaft core. In a preferred embodiment the shaft assembly is rotatable and has at least one molding aperture gate extending through the shaft from the inside surface to the outside surface which is filled with hardened, moldable material which connects the hardened material in the shaft core and functional feature.

Abstract: A solid, single-pour synthetic weapon stock comprises polyurethane and an equal amount by volume of a spacing material of silica-alumina ceramic microspheres blended into the polyurethane. For additional strength, a U-shaped bar having spaced apart bores is disposed within the weapon stock. A process for manufacturing the polyurethane weapon stock, comprises the steps of blending polyurethane with the spacing material to form a polyurethane reactant, placing the U-shaped bar into a mold having a void of a shape of the weapon stock, pouring the polyurethane reactant into the void and allowing the polyurethane reactant to react to form a polyurethane object having the shape of the void, curing the polyurethane object and removing the polyurethane object from the mold.