Abstract: A method for molding a tamper-evident closure with tabs that extend radially inward and upward. In order to produce tabs with such a configuration, the present invention employs a tab forming element having a mold surface with an inclination corresponding to the degree to which the tabs are desired to extend radially inward and upward. After the tabs have been molded in their inclined position, they are withdrawn from the mold, temporarily altering their angle of inclination. After removal of the closure from the a first portion of the mold, the tabs are returned to the original angle of inclination through contact with a second portion of the mold.

Abstract: In a first process described a tapered catheter tip is molded by placing a tubular catheter over a mandrel and inserting the mandrel and catheter assembly into a mold having an inner mold surface. The molded catheter with flash is thereafter removed from the mold and the mandrel removed from the catheter. The catheter and flash are inserted into a jig which defines an opening through which the flash extends. The opening is defined by a cutting surface and the flash extends above such cutting surface. A cutter is then moved along the cutting surface in order to severe the flash at precisely the appropriate point along the catheter length to leave a formed trimmed catheter. The catheter is thereafter removed from the jig for further processing.

Abstract: Fiber material for adsorbing contaminants is prepared according to the steps of preparing coating a glass or mineral fiber substrate with a resin, cross-linking the resin, heating the coated fiber substrate and resin to carbonize the resin, and exposing the coated fiber substrate to an etchant to activate the coated fiber substrate.

Abstract: A method for manufacturing a hollow structure suitable for example as reservoir for pressurized fluids, which structure is obtained by curving over a part of its length a corrugated tube provided circumferentially in the hollow of its waves with a hardenable fiber reinforced composition, then subjecting the tube thus curved over at least a part of its length to a treatment for hardening the hardenable composition. The tube may comprise longitudinal reinforcements (braid or layers of widely spaced helical wires), the ends of the tube being possibly equipped with systems for communicating with the outside or for sealing, the final shaping being followed by a treatment for hardening said composition. The winding of the tube may be carried out about a central core or drum.

Abstract: A method of molding golf balls using an injection mold. The golf ball includes a plurality of dimples closely distributed on the surface of the ball. The injection mold for golf balls including a pair of separable mold segments (12, 12) defining a spherical cavity (22) when mated along a parting line (PL). A plurality of hollow tubular gates (20) are disposed in the surfaces of the mold segments to be mated along the parting line and in fluid communication with the cavity. Each gate (20) has a non-circular cross section at its outlet. Opposed portions (20-1, 20-2) of the gate cross section separated by the parting line (PL) have an equal area. A stock material is injected into the cavity through the gates to mold a golf ball.

Abstract: Method and apparatus for forming flanges and tubes of partical crystalline thermoplastics. The thermoplastics may comprise cross-linked portions and preferably are polyethylene. A heated tube end (2) is upset in a die (10) by a plunger (30) so as to arch and form a pair of conical regions which become disk-shaped and are folded together to form the flange (8).

Abstract: Disclosed is a process for preparing milled graphite fibers in which the amount of metallic components contained in the milled carbon fibers before graphitizing is limited to not more than 100/1,000,000 in terms of a ratio by weight. Also disclosed is a process for preparing milled graphite fibers in which the amount of metallic components contained in the milled carbon fibers before graphitizing except metallic components originally contained in the fibers themselves is limited to not more than 50/1,000,000 in terms of a ratio by weight. According to these processes, there can be obtained milled graphite fibers whose surfaces are inert, which suffer few longitudinal crackings and which are almost free from occurrence of particulate substances comprising agglomerated or bonded fibers.

Abstract: An apparatus is provided for manufacturing a lampshade from a heat-deformable sheet material. The apparatus includes a first supporting assembly for supporting a hollow body formed from the heat-deformable sheet material, the hollow body having upper and lower peripheral edges. A second supporting assembly is provided for releasably supporting a forming and stiffening ring in peripheral engagement with an interior surface of the hollow body adjacent a peripheral edge of the hollow body so that a marginal edge portion of the hollow body projects beyond the forming and stiffening ring. The second supporting assembly is located adjacent the first supporting assembly and includes a retractable supporting assembly for engaging an underside and an upper side of the forming and stiffening ring.

Abstract: The present invention comprises a catheter method of manufacture. The method includes the provision of a subassembly of a lubricious liner and reinforcement. Over the subassembly, a shaft tube, transition tube, and soft tip tube are placed in an abutting relationship to each other, forming an assembly. A first tube of heat shrink is advanced over the assembly, heat is applied to fuse the assembly, and the first heat shrink is removed. Subsequently, the soft tip of the catheter is shaped using a second tube of heat shrink, which is placed over the distal end of the assembly. Heat is applied to the second heat shrink to cause the tip material to flow and to draw the tip material over the distal end of the lubricious liner. The second heat shrink is removed, completing the catheter manufacture.

Abstract: A method and apparatus for manufacturing a pack for flowable contents in a deep draw process having tubular side walls, a bottom and a top. The top has a pouring opening having an upstanding collar and a seam that passes around the pack in a plane that is oriented in the top so that the plane is interrupted by the pouring opening and projects on diametrically oppositely disposed sides almost as far as a free upper edge of the collar. The collar is formed of two collar halves joined together at the seam, and threads are provided on the collar for a screw top.

Abstract: The invention includes a method of manufacturing a golf ball by placing a golf ball core into a preform mold cavity, injection molding a cover around the core, placing the resulting preform into a dimpled compression mold cavity and compression molding the cover to define a golf ball. The invention also includes injection molding a golf ball preform into an outer non-dimpled elongated spherical shape having an elongate axis, and compression molding a spherical golf ball from the preform in a substantially spherical dimpled compression mold cavity.

Abstract: A moldless method for commercially producing intravenous catheters which are formed with geometrically identical catheter bevels. The method includes positioning an unbeveled catheter mounted on a central cylindrical support between first and second bevel profile blades. Each bevel profile blade has a blade surface in the shape of bevels to be imparted to the surface of the catheter, including a relatively steep bevel angle blade surface at the distal end of the catheter, which is the end to be inserted into a patient, and an adjacent relatively shallow bevel angle blade surface. The blade surfaces of the first and second bevel profile blades are positioned on opposite sides of the unbeveled catheter along a first axis. The first and second bevel profile blades are heated, and are translated in opposite directions towards the unbeveled catheter along a second axis which is substantially perpendicular to the first axis.

Abstract: There is provided a method for post forming an assembled tampon assembly into a curved tampon assembly. Before employing this method, the tampon assembly is completely formed using existing manufacturing methods into a typical straight axial oriented tampon assembly. The tampon assembly is then heated to permit flexing and reorientation of the axis of one or more portions of the tampon assembly. Next, the heated tampon assembly is positioned in a mold cavity of a cold forming mold. The inner surface of one or more portions of the mold cavity has a desired arcuate shape or axial orientation in order to obtain a desired predetermined radius of curvature. Thereafter, the tampon assembly is held in the mold until the various components of the tampon assembly cool down. Finally, the cooled tampon assembly is removed from the mold and is ready to be packaged for distribution.

Abstract: A miniature plastic gripper actuated by inflation of a miniature balloon and method of fabricating same. The gripper is constructed of either heat-shrinkable or heat-expandable plastic tubing and is formed around a mandrel, then cut to form gripper prongs or jaws and the mandrel removed. The gripper is connected at one end with a catheter or tube having an actuating balloon at its tip, whereby the gripper is opened or dosed by inflation or deflation of the balloon. The gripper is designed to removably retain a member to which is connected a quantity or medicine, plugs, or micro-components. The miniature plastic gripper is inexpensive to fabricate and can be used for various applications, such as gripping, sorting, or placing of micron-scale particles for analysis.

Abstract: The crispness or clarity of embossed tissue is improved by embossing the tissue twice in two successive embossing nips formed between a rigid engraved embossing roll and a resilient backing roll. The hardness of the resilient backing roll in the first embossing nip is less than the hardness of the resilient backing roll in the second embossing nip. This form of double nip embossing is particularly effective for embossing tissue webs having high bulk and resiliency, such as soft uncreped throughdried tissues, which cannot be satisfactorily embossed by conventional methods.

Abstract: A method for making an activated carbon composite which involves providing a crosslinkable resin and a support material which is wettable by the resin. The support material can be cotton, chopped wood, sisal, non-fugitive material, and combinations of these. The support is contacted with the resin; and the resin and support material are dried. The resin and support material are then shaped, the resin is cured, and the resin and any carbonizable material are carbonized. The carbon is then activated to produce the product composite. An activated carbon composite produced by the above described method in which the carbon is in the form of a continuous structure reinforced by and uniformly distributed throughout non-fugitive support material.

Abstract: A method and apparatus for making a thermoplastic air bag cover having a hidden tear seam. A molten thermoplastic is injected into a mold cavity of a mold having a shape defining the air bag cover. An insert having a shape defining the tear seam is extended into the mold cavity before the molten plastic completely solidifies. The resulting air bag cover is cooled to a temperature beneath the softening point of the plastic. The completed air bag cover is then removed from the mold. The thickness of the air bag cover at the tear seam is within a range of 0.2 to 0.4 millimeters.

Abstract: A method for making near-net-shape, monolithic carbon electrodes for energy storage devices. The method includes the controlled pyrolysis and activation of a pressed shape of methyl cellulose powder with pyrolysis being carried out in two stages; pre-oxidation, preferably in air at a temperature between 200.degree.-250.degree. C., followed by carbonization under an inert atmosphere. An activation step to adjust the surface area of the carbon shape to a value desirable for the application being considered, including heating the carbon shape in an oxidizing atmosphere to a temperature of at least 300.degree. C., follows carbonization.

Abstract: A compression molding process for forming an article, preferably a preform or closure, is provided. The process includes the steps of forming thermoplastic resin into a precursor, wherein the precursor fits in a compression mold and has a shape for allowing the precursor to be supported in a predetermined or dimensionally preheld manner in a cavity of the compression mold prior to being compressed into a final shape, which shape is the shape of the compression mold; heating the precursor; and compression molding the precursor into the article while said precursor is heated. The step of forming may include the steps of extruding the resin into sheets; cutting discs from the sheets; and stacking the discs to form the precursors.

Abstract: A method of producing reformed crosslinked polymer articles provides reformed crosslinked articles free of visible and objectionable folds, seams, and interfaces on reformed surfaces thereof. In a preferred embodiment, a method includes the steps of extruding a silane-grafted polyethylene tube, heating an end of the tube, reforming the end of the tube to produce a radially enlarged sealing surface thereon, cooling the reformed tube, and curing the reformed tube to produce an increase in the degree of crosslinking of the polyethylene material.

Abstract: A hydrodynamic radial bearing including a cylindrical body having an inner wall and an outer wall, at least one gutter along the inner wall and at least one wedge-shaped recess in fluid receiving communication with the at last one gutter. The at least one wedge has a wide portion immediately adjacent the gutter and a narrow portion located away from the wide portion along the circumference of the inner wall.The bearing is manufactured by inserting the bearing into a fixture having at least one deforming protuberance located along an interior wall of the fixture so that the at least one protuberance contacts the outer wall of the bearing and elastically deforms the inner wall of the bearing. Then a machining operation is performed along the inner wall to remove the deformed portion of the inner wall. The bearing is then removed from the fixture and the machined portion of the wall retracts, forming at least one recess.

Abstract: Self-reinforcing, pitch-based carbon articles having a unique combination of excellent thermal conductivity and outstanding mechanical properties are produced by carbonizing an acid-treated, mesophase pitch fiber preform. The carbon articles having varying degrees of porosity are particularly desirable for use in thermal management and stiffness applications, and in carbon vapor infiltration processes employed in making complex solid carbon articles.

Abstract: A process for producing a substrate for magnetic recording medium, which includes molding into an appropriate shape a polycarbodiimide resin or a composition mainly containing a polycarbodiimide resin, carbonizing the shaped material, and processing the carbonized shaped material into a substrate for magnetic recording medium.

Abstract: A tool is used for expanding a pipe-end which includes a plurality of jaws that can be moved radially in relation to a centre axis, between a retracted position and an outer expanding position. The jaws are inserted to a given distance in the pipe-end with the jaws in their retracted position. The jaws have outer surfaces which lie adjacent one another in the retracted positions of the jaws and have a circular-arcuate shape in cross section for engagement with the inner surface of the pipe-end. The radial distance of the outer jaw surfaces from the centre axis increases from the insertion end of the jaws to their opposite end. The pipe-end is expanded successively in several stages with relative small jaw movements, wherein the jaws are retracted and inserted further into the pipe-end between each expansion stage. The jaws of the tool can be moved radially through a distance which is smaller than the ultimate radial expansion of the pipe-end.

Abstract: A densified carbon matrix carbon fiber composite preform is made by vacuum molding an aqueous slurry of carbon fibers and carbonizable organic powder to form a molded part. The molded part is dried in an oven at 50.degree. C. for 14 hours and hot pressed at 2000 psi at 400.degree. C. for 3 hours. The hot pressed part is carbonized at 650.degree. C. under nitrogen for 3 hours and graphitized at 2400.degree. C. to form a graphitic structure in the matrix of the densified carbon matrix carbon fiber composite preform. The densified preform has a density greater than 1.1 g/cc.

Abstract: Laminar articles are manufactured by slush molding polyolefin compositions in powder form composed of:A) 10-40 parts by weight of a propylene homopolymer or copolymer;B) 0-20 parts by weight of a copolymer fraction containing ethylene, propylene and/or a CH.sub.2 .dbd.CHR .alpha.-olefin, the copolymer fraction being insoluble in xylene at ambient temperature and having an ethylene content equal to or greater than 80% by weight;C) 50-80 parts by weight of a copolymer fraction containing ethylene, propylene and/or a CH.sub.2 .dbd.CHR .alpha.-olefin, the copolymer fraction being soluble in xylene at ambient temperature and having an intrinsic viscosity in tetrahydronaphthalene at 135 C ranging from 1 to 1.4 dl/g.

Abstract: A process for the fabrication of a thermoset water heater tube is described. By shifting to a thermoset rather than a thermoplastic, a much higher heat distortion temperature is achieved when compared to standard thermoplastic materials such as polypropylene, polyethylene, ABS or PVC. The stress crack resistance is also higher as is the dimensional stability. These desirable properties can be achieved by using a lower cost material, in contrast to a more expensive thermoplastic, and solves the problem of water heater tube failure when dry firing conditions are present. The invention utilizes thermoplastic processing conditions, with subsequent crosslinking to form a thermoset. This combines the best features of both types of materials: (1) the ease of thermoplastic processing; combined with (2) the desirable physical properties of a thermoset.

Abstract: A process for forming the tips on catheters is described in which the catheter is placed on a mandrel and molded in a mold. The mandrel may then be removed and a second mandrel inserted. The second mandrel having a larger diameter and adapted to contact inner surface of the mold to thereby cut any flash formed at the end of the catheter and separate the flash from the catheter tip. Alternatively, the mandrel and catheter are inserted into the mold to mold the outer surface of the catheter thereafter removed and inserted into a die to punch the flash from the tip of the catheter material. The punch process may be carried out by either the same mandrel or a second mandrel adapted to the purpose of cutting or punching the flash from the catheter.

Abstract: Moldings which comprise from 30 to 100% by weight of graphite, prepared from graphite powders which comprise from 5 to 100% by weight of rhombohedral crystalline graphite and, if required, contain additives and/or binders, and a process for their preparation and their use as catalyst carriers, heat transfer material, column packing or diluent in catalyst beds.

Abstract: A method for manufacturing a carbon preform comprising the steps of charging a container with pitch fibers obtained by melt spinning a carbonaceous pitch to fill therein during spinning, infusibilizing the thus filled pitch fibers, and calcining and molding the infusibilized pitch fibers under a uniaxial pressure, and a method for manufacturing a carbon/carbon composite material comprising densifying the carbon preform.

Abstract: By kneading a composition containing a filler and an organic forming binder, extruding the composition, baking the composition in a non-oxidizing atmosphere, there is obtained a first baked lead containing, as a binder, a carbon obtained by the carbonization of the organic forming binder. Then, by heating the first baked lead in an oxidizing atmosphere to remove the binder carbon, there is formed a second baked lead composed of at least the filler. The pores of the second baked lead are impregnated with a solution containing perhydropolysilazane, subjecting the lead to a heat treatment in an inert atmosphere or an ammonia gas atmosphere to form a third baked lead containing the resultant silicon nitride. Finally, ink is filled into the pores of the third baked lead to provide a baked color pencil lead.

Abstract: A shell reforming system and method is shown comprising an automatically temperature-controlled and detachable heat mandrel on which a shell may be situated for a predetermined period of time. The system and method further utilize a plurality of detachable cooling mandrels which facilitate cooling the shell and deforming it to a desired shape, such as a generally elongated cylinder shape. The system and method is suitable for handling multiple gauge shells and for maintaining and controlling the temperature delivered to the heat mandrel so that shotshells may be reformed consistently. A method for reconditioning and reshaping the shotshells using the automatically controlled heat source is also disclosed.

Abstract: Process for manufacturing filler and distributing bodies essentially or carbon for process technology, in which ground cereal products are used as dry raw material and preferably water or aqueous synthetic resin preparations are used as binders. Dry material, preferably semolina, is mixed with the binder, the mixed composition is molded into primary product bodies and these are then hardened and subsequently coked or coked and graphitized. A typical use of the process involves the manufacture of small filler bodies of complicated shape.

Abstract: The graphitized composite article of the present invention is formed by embedding carbon fiber felt in a matrix of a carbon filler; a thermosetting resin and a solvent; curing the composite article; then, carbonizing and graphitizing the cured composite article to form the graphitized composite article for use as a separator plate capable of substantially inhibiting mixing of hydrogen and oxygen and/or the loss of electrolyte within a fuel cell stack. The graphitized composite article may be a graphitized laminate.

Abstract: A method for making a drive line slip joint assembly of the type having a slip yoke and a yoke shaft, the yoke shaft telescopically engaging an internal bore through one end of the slip yoke, the yoke shaft having an externally splined portion with splines extending radially outwardly from a central axis, and the slip yoke having an internally splined portion with splines extending radially inwardly toward the central axis, with the splines of the yoke shaft intermeshing with the splines of the slip yoke to form a driving connection between the yoke shaft and the slip yoke, includes coating the splines of either the yoke shaft or the slip yoke with a low friction coating, heating the yoke shaft and the slip yoke to a temperature sufficient to soften the low friction coating, centering the yoke shaft with respect to the slip yoke, inserting the yoke shaft into the internal bore of the slip yoke, and cooling the yoke shaft and slip yoke.

Abstract: A process of producing high density articles of boron carbide and all transition metal carbides that optionally contain 1 to 50% by volume of borides is disclosed. The process involves the steps of homogeneously mixing boron carbide, titanium oxide and carbon powders, or homogeneously mixing transition metal carbide with its oxide, boron carbide and carbon when sintering transition metal carbides, forming the powder mixtures into a shaped green body, and sintering the body in a controlled atmosphere at a temperature of from 1900.degree. C. to 2100.degree. C. The shaped articles thus obtained have the theoretical density of at least 95% and preferably greater than 99% of theoretical density of selected composite and flexural strength of at least 350 MPa, preferably grater than 450 MPa.

Abstract: A tamper-evident closure seal for containers such as syringes or syringes with an attached needle. The seal includes a plurality of slits therein which inhibit removal of the seal from the container once the seal has been placed on the container. The method includes deformation of a portion of the slitted area of the seal in order to strengthen the seal in the area of the slits so as to improve removeability of the seal from its release liner prior to attachment thereof to the container, without inadvertent or premature destruction of the seal.

Abstract: A method for preparing a medical device having the steps: (1) treating an ionically crosslinked hydrogel to strip a substantial amount of the ionic crosslinks while retaining the hydrogel in a desired shape; and (2) ionically re-crosslinking the treated hydrogel of step (1) while retaining the hydrogel in the desired shape. In an exemplary embodiment, a ureteral stent is made by mounting a length of extruded calcium or barium alginate tubing onto a shaping jig and performing secondary shaping to form coil-shaped ends by soaking the mounted robing in a stirred potassium chloride bath, and then soaking it in a calcium chloride bath. The ends readily return after elastic deformation to their coil shapes, with the stent having a permanent memory imposed by the secondary shaping.

Abstract: A flashless catheter beveling process in which a beveling catheter mold has an internal cavity which defines the external beveled shape of the catheter and also has a circular hole centrally located therein. In the beveling mold, one end of a distal endmost interior bevel terminates at the surface of the beveling mold, with the distal endmost bevel and the surface forming an angle at the edge of the circular hole. A cylindrical support pin is inserted into a hollow extruded unbeveled catheter tube. The beveling mold is heated and positioned relative to and around the extruded catheter tube with the cylindrical support pin positioned in the circular hole of the mold. This arrangement melts the extruded catheter tube to allow it to flow within and assume the shape defined by the internal cavity of the beveling mold, and the molten catheter material flashes through a narrow annular gap defined between the cylindrical support pin and the circular hole.

Abstract: An intravascular catheter carries a helical reinforcement member embedded within at least a portion of the tubular wall of the catheter. The helical reinforcement member comprises a helical first portion having coils of greater pitch than the pitch of helical coils of a second portion. Preferably, the catheter is for insertion into brain arteries, and comprises a flexible tube having an outer diameter of no more that about 0.05 inch, for example 3 French or smaller. The flexible tube defines outer and inner tubular layers. The inner tubular layer surrounds a catheter lumen and comprises chemically inert fluorinated polymer such as PTFE. The outer tubular layer comprises at least three longitudinally spaced, connected tubular sections. The sections are of successively increasing flexibility from the proximal toward the distal catheter end.

Abstract: A self-sintered silicon carbide/carbon-graphite composite material having interconnected pores which may be impregnated, and a raw batch and process for producing the composite material, is provided. The composite material comprises a densified, self-sintered matrix of silicon carbide, carbon-graphite inclusions and small amounts of any residual sintering aids, such as boron and free carbon, and has interconnected pores which may be impregnated with resin, carbon, TEFLON, (polyetrafluoroethylene) metal or other compounds or materials selected for their particular properties to achieve desired tribological characteristics for a specific application. The composite material is produced from a raw batch which includes silicon carbide, sintering aids, a temporary filler and coated graphite particles. The raw batch is then molded/shaped into a green body and heated to carbonize any carbonizable materials and to decompose and volatilize the organic filler to form a matrix of interconnected pores.

Abstract: A method for making a sheet button panel assembly that can avoid wrinkles at boundaries of embossments and damages on a printed face of a decorative sheet. The method includes the steps of embossing the decorative sheet where only one mold contacts the portions of the decorative sheet to which embossments are formed and where the decorative sheet is heated, and injecting resin into a cavity to form a sheet button panel assembly in which the decorative sheet and the resin are made united. When embossing the decorative sheet, the decorative sheet is softened by heating and is less restricted because only one mold contacts the sheet. The decorative sheet is free of wrinkle and damage, in particular, no damages in printed face of the decorative sheet.

Abstract: A method of prescoring foam board for making composite panels includes impressing a pattern of ridges projecting from a surface of a die into at least one face surface of the foam board. The pattern of ridges on the die forms a pattern of indentations having three series of parallel linear indentations, each series being angularly offset from each series other by 60.degree.. The ridges on the embossing die are pressed into the foam sufficiently deep that the the pattern of indentations impressed in the board surface after whatever springback occurs remain deep enough to enable volatiles generated in an interior zone of a panel to escape when drawn out by a vacuum pump when the foam board is heated under pressure between two face sheets of resin-preimpregnated fabric to form a composite panel.

Abstract: Disclosed is a method for the preparation of a fiber-reinforced silicon carbide-based composite ceramic body having outstandingly high mechanical strengths even without using any sintering aids or without undertaking the hot-press sintering method. The method comprises impregnating carbon fibers or silicon carbide fibers with a slurry containing an elementary silicon powder, an organic resin, e.g., phenolic resins, and an organosilicon polymer, e.g., polysilastyrenes, according to a specified formulation and shaping the impregnated fibers into a green body which is subjected to a calcination treatment at 1300.degree.-1500.degree. C. in an inert atmosphere under normal pressure.

Abstract: The process for the producing improved shaped sintered articles by first shaping a) a mixture of a ceramic or metallic powder or mixtures thereof with a moldable thermoplastic composition containing b) a thermoplastic polyoxymethylene binder and c) a second moldable and essentially inert thermoplastic polymer having a melting point between 90.degree. and 220.degree. C., such as a polyether of bisphenol A and an aliphatic diol. The binder is then removed from the shaped article by exposure to a gaseous acid-containing atmosphere, preferably below its softening temperature, while the second inert thermoplastic polymer is retained as a source of elemental carbon in which the ceramic or metallic powder is finely dispersed. This retained polymer is then pyrolyzed under an inert gas at elevated temperatures of at least 600.degree. C. for conversion to a finely dispersed elemental carbon.

Abstract: Provided is a method for crimping a thermoplastic member which allows a first member made of thermoplastic resin to be mounted on a second member at a high mounting strength without complicating the fabrication process and without causing any reduction in the production efficiency. After an entire portion of the first member that is to be crimped is thermally melted or softened, the portion is deformed and crimped by using a crimping die having a die surface which is at a temperature lower the melting point of the thermoplastic resin. Therefore, the deformed portion is given with a uniform internal structure free from internal defects such as cracks and interfaces. Because the interior of the crimped portion remains to be hot as compared to the surface portion which is in contact with the crimping die during the crimping process, a certain pattern of internal stress is produced in the internal part which opposes the internal stress of the surface portion as the deformed portion cools and contracts.

Abstract: A method of making a tamper indicating package comprising a container having a neck with a threaded finish, an annular bead on the neck, a plastic closure which includes a base wall and a depending peripheral skirt having threads interengaging the threads of the container, and a tamper indicating band attached to the skirt by a plurality of weakened portions defining a line of severing. An annular flange extends axially upwardly and inwardly from the tamper indicating band toward the base wall of the closure and includes a first continuous annular flange portion connected to the band by a hinge portion and a second portion. The second portion includes a plurality of segment portions extending upwardly and inwardly from the first continuous portion with the free ends of the segment portions engaging beneath the bead on the container when the closure is threaded onto the container.

Abstract: A method for making a lightweight cylinder block composed of carbon--carbon is disclosed. The use of carbon--carbon over conventional materials, such as cast iron or aluminum, reduces the weight of the cylinder block and improves thermal efficiency of the internal combustion reciprocating engine. Due to the negligible coefficient of thermal expansion and unique strength at elevated temperatures of carbon--carbon, the piston-to-cylinder wall clearance can be small, especially when the carbon--carbon cylinder block is used in conjunction with a carbon--carbon piston. Use of the carbon--carbon cylinder block has the effect of reducing the weight of other reciprocating engine components allowing the piston to run at higher speeds and improving specific engine performance.

Abstract: An apparatus and method for producing an hydraulic hose having ends of different internal diameters. An uncured hose is produced by conventional extrusion. The uncured hose is placed upon a mandrel having a reduced diameter end. That end of the uncured hose proximate the reduced diameter of the mandrel is covered by a heat responsive shrink tube. The shrink tube is heated to mold the end of the hose about the mandrel. Thereafter, the hose is vulcanized.

Abstract: Provided is a refractory for casting which contains clinker having a mineral crystal phase consisting essentially of mullite and baddeleyite. The refractory for casting has excellent in a thermal-shock resistance, corrosion resistance and strength. The refractory for casting is manufactured from a raw material containing a refractory composition and an organic binder, wherein the refractory composition comprises(a) 3 to 60 wt % of clinker having a mineral crystal phase consisting essentially of mullite and baddeleyite, and containing 5 to 22 wt % of alumina (Al.sub.2 O.sub.3), 38 to 68 wt % of zirconia (ZrO.sub.2) and 27 to 40 wt % of silica;(b) 5 to 40 wt % of at least one carbon-based material selected from the group consisting of graphite and carbon; and(c) at least one refractory element as a balance, selected from the group consisting of alumina, fused silica, zirconia, silicon carbide, mullite and a metal silicon.