Abstract: The process according to the invention includes the combination, with a liquid phase change material (PCM), of a texturing agent chosen so as to greatly reduce the thermal convection and whose viscosity is decreased reversibly under shearing. The material formed has a gelled consistency when at rest, and fluidized under shearing. The PCM comprises a mixture of chemical compounds from the alkane family: paraffins, waxes, fatty alcohols, fatty acids etc., and the texturing agent is a high mass polymer (hydrocarbonate polymers, ester or ether polymers, mixed ester-hydrocarbon polymers), an ionomer polymer or a di, tri or multi-block styrene copolymer (SBS: styrene-butadiene-styrene, SEBS: styrene-ethylene-butadiene-styrene).

Abstract: An elastomeric valve stem seal component is adapted for installation over a valve guide of an internal combustion engine. The seal component incorporates fabric reinforcement within an annular jacket body of the component. In one preferred form, the fabric is positioned intermediate two elastomeric layers of the seal body; i.e. between an inner layer and an outer layer. One preferred manufacturing method provides extrusion of a tube having a fabric reinforcement layer already provided between inner and outer layers. A cutting die incorporates a push ring adapted to move the component along a staged molding assembly process. A series of threaded core pins are utilized for conveyance of the component in the fabrication process, which includes extruding a rubber tube and cover over a series of threaded core pins, cutting a portion of the rubber tube to a predetermined length, and molding the predetermined length to produce the component.

Abstract: A roller. Grooves are recessed on an outer peripheral surface of an outer race in a bearing. A part of a synthetic resin tire is integrally adhered to the outer race of the bearing and is inserted and bonded within at least one of the grooves on the outer peripheral surface of the outer race in the bearing, so that firm adhesion or bonding can be obtained. Accordingly, such an adhered fitting body is prevented from being peeled off from the outer race of the bearing and the tire and the outer race of the bearing are prevented from separately detaching even when the bearing is exposed to a heavy load or rotates at a high speed.

Abstract: A method of manufacturing a channeled wall fluid apparatus (2) is disclosed. The method includes the step of providing at least one rib (16) on one of either a liner (8) having a length or an interior surface of at least a first mold (18). The method also includes the step of placing the first mold around the liner to form a gap (78) between the first mold and the liner. A removable casting material (24) is inserted within the gap. The method also includes removing the removable casting material from within the gap to form at least one channel (14) extending at least a portion of the length of the liner.

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 manufacturing a charge roller utilizes a foam rubber substance where epichlorohydrin oxide rubber and an acrylonitrile butadiene rubber are mixed at a ratio of 5:95, or utilizing a crosslinking rubber substance consisting of epichlorohydrin oxide rubber and acrylonitrile butadiene rubber having a polar low molecular polymeric characteristic, thus allowing the charge roller to maintain a low volume resistivity of 107 &OHgr; cm to 108 &OHgr; cm. As a result, the surface of a photosensitive drum can be charged by a minimum charging voltage, to thereby significantly reduce an amount of ozone. A method of manufacturing a charge roller employs peroxide as a cross linking agent for rapidly cross-linking molecular chains between an epichlorohydrin oxide rubber and acrylonitrile butadiene rubber forming a main composition of a foam rubber substance.

Abstract: A method for sealing a gap (4) between a leadthrough (2) provided in a constructional element (1) and an object (3) extending through the leadthrough (2), the method including placing in the gap (4) a plurality of elongate sealing elements, formed as hot melt elements (5) provided with heat-activated blowing agent, and applying heat to the hot melt element from outside; and a sealing element used by the method.

Abstract: A method for protecting and for restoring structural strength and substance to a concrete, fluid containing or conducting structure deteriorated to the condition of removal of substance of the concrete by sulfuric acids and like corrosive material in contact therewith is described by positioning a relatively thin thermoplastic layer of polyvinyl chloride or polyethylene, injecting a substratum of epoxy foam, polyurethane foam, or a combination thereof between the thermoplastic layer and the deteriorated concrete, and welding the foam to the thermoplastic layer. The product of the process is described.

Abstract: A multi-layer roll having a thin fluoropolymer top coat on an elastomeric base layer bonded to a substantially rigid insert is provided. The top coat is formed by placing a thin non-self supporting fluoropolymer sleeve about the insert, or wrapping extruded fluoropolymer film about the insert which is placed in a mold sleeve and positioned in a book mold to hold the membrane in place. Liquid or flowable elastomer is injected into the space between the insert and flexible top coat at a point downstream of where the top layer is held in position between mold elements to prevent wrinkling. The mold is then heated to cure the elastomer.

Abstract: The invention relates to a method for producing ends of metal of composite pipes, comprising a casing pipe (1) of metal and a load carrying sheath (6, 7) of reinforced plastics, which sheath is produced in that the reinforcement is filled with polymer through injection under vacuum through injection pipes, said reinforcement comprises a first reinforcement layer (6) and a second reinforcement layer (7).

Abstract: A method of manufacturing a tube-covered roller for fixing includes a step of setting a core material in a substantially central portion of a cylindrical mold and setting, outside the core material, a tube and a resin layer which is capable of coming into contact with an inner surface of the mold, a step of putting a rubber material between the core material and the tube and hardening the rubber material to produce a roller, and a step of, after detaching the roller covered with the tube and the resin layer from the mold, removing the resin layer from the roller.

Abstract: In a method of forming vibration isolating rubber bushes, a metal part attaching jig is first prepared. The metal part attaching jig includes: a guide member having a plurality of guide holes which droppingly guide a plurality of metal parts to a plurality of metal part receiving recesses of a lower mold half, respectively; and a guide hole opening and closing member which can open the guide holes by one action in a state where the metal parts inserted into the guide holes are received. The metal parts are inserted into the guide holes, respectively, after the guide hole opening and closing member is switched to a closing side. The guide hole opening and closing member is then switched to an opening side to cause the metal parts to be dropped and accommodated into the metal part receiving recesses.

Abstract: The present invention provides a filter cartridge or filter unit (11) produced by a thermoplastic overmolding process that allows for using a single mold for overmolding a variety of different sized filter elements (12) or membranes and a method for sealing or hermetically sealing Said filter element (12) in said filter unit (11) or cartridge. The proposed method produces a more robust filter unit (11) or cartridge than those provided by the prior art.

Abstract: Mechanical assembly of magnesium alloy with steel or titanium/titanium alloy parts. Because the two major metal parts in the assembly have incompatible ionization energies, a part made from aluminum or zinc alloy, the ionization energy of which in intermediary between the two, or an electric insulator intervenes to prevent electrolytic corrosion between them. Furthermore, clearances between the two major metal parts, owing for example to manufacturing tolerances, are injected with filler. The mechanical assembly may be employed in human-powered rotary machines such as spinning reels and bicycle components.

Abstract: The present invention provides a molding tool capable of forming a molding with a cylindrical core while ensuring the discharge of the air in the vicinity of an upper end portion and forming no end face burr. As the device for this molding tool, an upper mold 10 and a lower mold 20, as can be clamped, are provided with insert dies 12 and 22 having fitting hole portions 14 and 24 at their centers. The lower fitting hole portion 24 is provided with a support pin 25 to be fitted in the cylindrical core 1 thereby to retain the cylindrical core 1, and the upper fitting hole portion 14 is provided with a core holder 15 so that a cavity 30 is formed around the outer circumference of the cylindrical core 1 when in the clamped state, to charge the cavity with a molding material to be shaped. A seal ring 16 is mounted in the fitting hole portion 14 of the upper insert die 12 to fit the outer circumference of the upper end portion of the cylindrical core 1 while holding a slight air ventilation.

Abstract: A tubular filter body is embedded at the extremity into a molding compound. A u-shaped end piece with a u-shaped groove is provided. Liquefied molding compound is poured into the U-shaped groove. The filter body is introduced into the groove, and immersed into the molding compound. The molding compound is allowed to cure to produce a permanent bond.

Abstract: A semi-pneumatic tire assembly including a tire casing 22 and a lining 26 is provided. The lining 26 includes a contoured inward surface 30 defining an inflation chamber 18 about an associated wheel rim. The lining 26 minimizes the risk of puncture damage from an object penetrating the tire casing 22 while allowing pneumatic cushioning of the ride and cooler running temperatures as compared to solid-fill tires. Additionally, the semi-pneumatic tire will carry the same load or more than the same tire filled with permafoam and/or solid urethane foam wingfil. The tire assembly is formed by injecting a curable, lining-forming material 96 into a cavity 57 defined between the tire casing 22 and a molding member 50. The molding member 50 includes a contoured outer surface 54 which molds the inward surface of the lining 26. The molding member 50 may be an inflatable airbag 100 retained in the tire assembly during service.

Abstract: A reel or spool package has opposing sidewalls or flanges formed of the specified or appropriate substrate and connected by a core formed of a flowable material which sets or cures to harden, such as a two part expandable polyurethane foam. The foam is applied into a partition, which may be a paper ring, by an injection and metering device. The chemistry of the flowable material may be altered to change density, rigidity and flexibility as required by package stresses. The polyurethane foam is an effective adhesive medium, thereby forming the core and connecting the sidewalls to form the package.

Abstract: A multi-layer container having an outer container shell, an inner container shell mounted within the outer container shell, and a transparent intermediate bonding layer filled up the space defined between the outer container shell and the inner container shell and peripheral through holes on the inner container shell and a bottom through hole and peripheral through holes on the outer container shell, the outer container shell and the inner container shell showing a contrast in color.

Abstract: A roller is structured such that one or a plurality of grooves are recessed on an outer peripheral surface of an outer race in a bearing, a part of a synthetic resin tire integrally adhered to the outer race of the bearing is inserted and welded within a groove on the outer peripheral surface of the outer race in the bearing, whereby a firmer adhesion force can be obtained. Accordingly, a more firmly adhered fitting body is prevented from being peeled off from the outer race of the bearing and the tire and the outer race of the bearing are prevented from separately racing even when the bearing is exposed to a heavy load and rotates at a high speed, that is, the roller is adhered so as to prevent from rotating.

Abstract: To pot membranes in a header, a dense, viscous liquid, suspension or, preferably, a thixotropic, water soluble gel, is placed in a header pan in space reserved for a permeate channel. A plurality of hollow fiber membranes are collected together and their open ends are inserted into the gel. A fixing liquid, typically a resin, is placed over the gel. The fixing liquid surrounds each membrane and then solidifies, simultaneously sealing the outer surfaces of the membranes and forming a plug in the opening of the header to complete the permeate channel. After the fixing liquid has solidified, the gel is removed by various means. The space initially occupied by the gel becomes part of the permeate channel after the gel is removed. In one embodiment, membranes are grouped by a cushioning adhesive which later surrounds the membranes where they exit the completed header.

Abstract: A method for coupling electrically conductive bushings in a bus, including alternating layers of dielectric material and patterned, electrically conductive bus bars and having through holes therein with each through hole having a surface exposing a portion of a respective one of the bus bars, includes: applying a polymer mixture to the surface of each through hole; inserting the bushings in the respective through holes; and curing the polymer mixture by positioning the bus and bushings in a curing chamber, applying a vacuum to the curing chamber, and applying pressure to reduce voids in the polymer mixture and minimize further void formation.

Abstract: A semi-pneumatic tire assembly including a tire casing 22 and a lining 26 is provided. The lining 26 includes a contoured inward surface 30 defining an inflation chamber 18 about an associated wheel rim. The lining 26 minimizes the risk of puncture damage from an object penetrating the tire casing 22 while allowing pneumatic cushioning of the ride and cooler running temperatures as compared to solid-fill tires. Additionally, the semi-pneumatic tire will carry the same load or more than the same tire filled with perform and/or solid urethane foam wingfil. The tire assembly is formed by injecting a curable, lining-forming material 96 into a cavity 57 defined between the tire casing 22 and a molding member 50. The molding member 50 includes a contoured outer surface 54 which molds the inward surface of the lining 26. The molding member 50 may be an inflatable airbag 100 retained in the tire assembly during service.

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: A multi-layer roll having a thin fluoropolymer top coat on an elastomeric base layer bonded to a substantially rigid insert is provided. The top coat is formed by placing a thin non-self supporting fluoropolymer sleeve and about the insert, or wrapping within extruded fluoropolymer film about the insert which is placed in a mold sleeve and positioned in a book mold to holds the membrane in place. Liquid or flowable elastomer is injected into the space between the insert and flexible top coat at a point downstream of where the top layer is held in position between mold elements to prevent wrinkling. The mold is then heated to cure the elastomer.

Abstract: A display apparatus includes a display panel, a support means for supporting the display panel, and a housing for accommodating the display panel and the support means. The support means includes a first member to which the display panel is attached, a second member attached to the housing, and an elastic member disposed between the first and second members. The first and second members are integrally thermally bonded to each other via the elastic member through a process including a step of disposing the first member and the second member at prescribed positions within a mold, and an injection molding step of forming the elastic member between the first and second members by injection molding.

Abstract: A multi-layer roll having a thin fluoropolymer top coat on an elastomeric base layer bonded to a substantially rigid insert is provided. The top coat is formed by placing a thin non-self supporting fluoropolymer sleeve and about the insert, or wrapping within extruded fluoropolymer film about the insert which is placed in a mold sleeve and positioned in a book mold to holds the membrane in place. Liquid or flowable elastomer is injected into the space between the insert and flexible top coat at a point downstream of where the top layer is held in position between mold elements to prevent wrinkling. The mold is then heated to cure the elastomer.

Abstract: A process for producing a vibration isolator. The process involves steps of forming an intermediate product including an axial member, an outside member having a cylinder-shaped portion and a rubber elastic member, and drawing the cylinder-shaped portion with a drawing apparatus provided with a drawing hole at least by pressing the cylinder-shaped portion into the drawing hole. The drawing hole has a predetermined dimensional diameter being smaller than an outer peripheral diameter of the cylinder-shaped portion. Thus, the cylinder-shaped portion is reduced diametrically to plastically deform. The production process can obviate the conventional pressed-in construction in which metallic members contact with each other, can make the manufacture of the vibration isolator easy, and can reduce the manufacturing cost.

Abstract: A process for producing a vibration isolator includes the steps of preparing an axial member, an outside member, the outside member including a cylinder-shaped portion and a bracket having a hollow, and a cylinder-shaped rubber elastic member, and drawing the cylinder-shaped portion by inserting a stationary mold, with which a drawing apparatus is provided, into the hollow of the outside member so that an outer peripheral surface of the cylinder-shaped portion contacts with the stationary mold, by disposing the rubber elastic member and the axial member inside the cylinder-shaped portion, and by pressing the cylinder-shaped portion onto the stationary mold and simultaneously diametrically reducing the cylinder-shaped portion to plastically deform the same. The production process can obviate the conventional pressed-in construction in which metallic members contact with each other, can make the manufacture of the vibration isolator easy, and can reduce the manufacturing cost.

Abstract: In a resin roll 5 for calendering a magnetic recording medium, a surface portion 3a of a thermosetting resin outer layer 3 has high storage elastic modulus (E') of 5.times.10.sup.10 to 5.times.10.sup.11 dyn/cm.sup.2 at a temperature of 50 to 150.degree. C. at a frequency of 10 hertz (Hz). At the surface portion of the thermosetting resin outer layer, the expression representing the relation between storage elastic modulus (E') and the Poisson's ratio (.nu.) is within the following range, under the same conditions:2.times.10.sup.-12 cm.sup.2 /dyn<(1-.nu..sup.2)/E'<2.times.10.sup.-11 cm.sup.

Abstract: The invention relates to an electrical isolator having at least one fitting cemented onto an insulating body, in which the insulating body is bonded to the fitting via a cement shell, wherein a laminated layer which contains at least two layers of different materials is applied on the fitting between the cement shell and the fitting, wherein at least one of the layers protects the fitting from corrosion and wherein at least one other layer permits movement between the cement shell and the fitting.

Abstract: An apparatus and method for injecting corrosion control compound into a crevice or void such as pipe flanges featuring a corrosion control kit comprising a syringe injector having a detachable nozzle, a corrosion control compound, pipe tape and a mantle for heating the compound. Other optional items may be included in the kit. The method of the subject invention utilizes the apparatus, is cost efficient and easy to perform. The resulting seal formed between the flanges is easy to inspect and requires no maintenance.

Abstract: A casing for use in the manufacture of a resilient joint, the casing having an outer surface and an inner surface, the inner surface defining an internal cavity, wherein the casing has at least one frangible wall section which is adapted to fracture upon the application of a compressive force to the outer surface of the casing such that after such fracture the volume of the internal cavity of the casing is reduced.

Abstract: A hot tap connection comprising: (i) a main supply pipe, (ii) a side branch pipe connected to the main supply pipe, (iii) a reinforcing saddle surrounding the main supply pipe and the side branch pipe, (iv) a first gap between the main supply pipe and the reinforcing saddle, (v) a second gap between the side branch pipe and the reinforcing saddle, and (vi) a solid material substantially filling the first gap and the second gap. The method for producing the hot tap connection is also described.

Abstract: A first article having a bore therein is provided with a chamfer region at one end of the bore. A second article is assembled into the bore with a clearance region therebetween, preferably using tooling to hold the articles in precisely the desired positions. A flowable, thermosetting adhesive is placed into the chamfer region. The assembly is heated so that the adhesive flows from the chamfer region into the clearance region, and the adhesive is thereafter cured to join the articles together as defined by the tooling.

Abstract: A catheter is disclosed which includes a mechanical connection between the strain relief thereof and the hub. The strain relief operates both to secure the catheter tube to the hub and to provide strain relief for the catheter tube. The strain relief connection is assisted in gripping the catheter tube by intentional overstressing of the catheter hub during manufacture thereof to expand the hub wall and generate residual hoop stresses therein which assist in securing the catheter tube within the hub.

Abstract: A mold for manufacturing a steering shaft formed with inner and outer shafts which are telescopically contractible on impact is disclosed. The mold includes an outer shaft supporting mold portion and an inner shaft supporting mold portion that respectively receive the outer and inner shafts in a telescoped position. A first molten resin injection guide portion formed in the outer shaft supporting mold is located in alignment with a hole formed in the outer shaft and a circumferential groove formed in the inner shaft to enable injection of resin through the hole into the groove. A second molten resin injection guide portion communicates with a first opening formed between the outer and inner shafts to enable injection of resin material into this opening to fix the shafts in concentric alignment with each other.

Abstract: A self aligning die guide pin bushing incorporates inner and outer sleeves that are axially locked together, but which can shift radially relative to one another sufficiently to accommodated an eccentricity between the guide pin and the bore in which the bushing is mounted. The outer sleeve of the bushing is mounted to the bore conventionally, and is removable. After the outer sleeve is mounted, the other die is moved so as to push the guide pin through the inner sleeve, thereby forcing the inner sleeve into alignment with the guide pin. Then, an epoxy layer is injected into the spaced between sleeves to fix the inner sleeve in alignment with the guide pin.

Abstract: A utility enclosure apparatus for utility lines extending upward from the ground consists of a housing defining a cavity and an upper aperture opening into the cavity as well as a lower aperture for the passage of utility cables into the cavity. Two rails extend upward from the housing and support a hanger rod therebetween that is slidable along the lengths of the rails. An amplifier or other device may be hung from the hanger rod for connection to the utility cables. An adjustable center support bar extends across the upper aperture in the housing to provide support to the amplifier or other device hanging from the rail. A rock-like cover is configure to fit over and conceal the housing and be removably secured to the housing so as to provide an aesthetic look to the utility enclosure.

Abstract: In the manufacture of an electrofusion coupler, a winding of an electrical resistance heating wire is wound directly around a mandrel which comprises two parts providing respective ends of the mandrel. The mandrel supports electrically conducting terminal elements by means of supporting locations on the mandrel parts which form an integral part of the mandrel. The resistance wire wound around the mandrel is connected to the electrically conducting terminal elements. Subsequently a body of thermoplastics is molded around the mandrel to form the electrofusion coupler, and thereafter the mandrel parts are extracted axially from the electrofusion coupler from opposite ends, leaving the winding and terminal elements in place in the electrofusion coupler. In a variant, a thermoplastic preform is manufactured having electrically conducting terminal plates secured thereto, the preform having an electrical resistance heating wire wound therearound and secured to said terminal plates.

Abstract: A post and/or pole segment formed by filling a form with a composite mixture of a bonding agent and a filler material. The composite mixture is placed in a form in a fluid state and allowed to solidify. The form is retained as an integral member of the post and/or pole segment. The post and/or pole segments are arranged to be connected in an end to end arrangement to form a post or pole of extended length. The form and the composite mixture of the post and/or pole segment are of recycled material.

Abstract: A portable masonry pier constructed of a used steel drum, a reinforcing rod frame which surrounds the drum in a masonry wall which is laid up around the frame and secured with mortar to the frame. The mortar is also internally confined by the drum. Removable fasteners secure the frame to the drum and are provided with lifting rings to lift and move the composite pier structure as a unit.

Abstract: In order to provide a joint connection, comprising a first joining piece with a first contact surface and a passage opening onto the first contact surface, and a second joining piece with a second contact surface and a recess opening onto the second contact surface, said first joining piece and second joining piece standing in a joining position in relation to one another, in which the contact surfaces abut one another and the passage and the recess together form a cavity, for joining pieces made from brittle materials it is proposed that a positive-locking element is disposed in the cavity; that the positive-locking element comprises a plastically inserted molding, which is cured in the cavity and abuts the joining pieces over their surface; that together with the first joining piece and the second joining piece, the positive-locking element forms a positive locking which secures the first joining piece and the second joining piece relative to one another in at least one direction of stress along the contact

Abstract: An incontinence electrode for controlling urinary incontinence in women is made of alternating bands of conductive and non-conductive polymers molded to form a tubular body. Electrical receptacles, formed in the molding process at the interior circumferential surface of the conductive polymer bands, accept metal contacts attached to electrical leads to make a secure and durable, mechanical and electrical connection between the conductive polymer bands and the leads. The leads are coupled to a controller and carry electrical current to and from the metal contacts which then distribute the current to the conductive polymer bands to cause a contraction of the vaginal muscles responsible for controlling urinary incontinence in women.

Abstract: A method of forming a coupling or connecting a composite drive shaft to an annular member comprising the steps of locating the shaft over the member and injecting adhesive through holes in the shaft to bond the shaft to the member.

Abstract: Fibrous substrates for the production of carbon and/or ceramic (including mixtures of these) fiber reinforced carbon and/or ceramic (including mixtures of these) composites and to methods of manufacture of same. A shaped fibrous structure comprising at least a first fibrous tape layer of a width generally corresponding to that of the fibrous structure to be formed, the first fibrous tape layer superposed upon and joined to least one other fibrous layer by needlepunching to produce cross-linking of the layers by fibers displaced out of the layers and extending in a direction generally perpendicular to the faces of the layers, and methods of making same.

Abstract: An internal molding having a predetermined shape of a hollow portion of a manifold is integrally molded by blow molding or the like, and external molding elements having a predetermined shape of the exterior of the manifold and being split into a plurality of parts are molded. The internal molding is integrated with the external molding elements by adhesion or fusion. Further, an external molding is molded, and an internal molding having a shape substantially identical with or smaller than a predetermined shape of a hollow portion of the hollow resin molding is integrally molded. Then, the internal molding is softened by arranging the internal molding inside the external molding and heating the internal molding, and the inside of the internal molding is thereafter pressurized to cause the internal molding to contact the external molding, so that the internal molding is integrated with the external molding.

Abstract: A detachable column cartridge for a gas chromatograph is disclosed. The cartridge column contains analytical and reference columns, a heater and a thermocouple, and connects via detachable connectors to a base unit containing an injector, a detector and other components normally found in gas chromatographs. The cartridge arrangement permits a substitute column to be connected to the base unit easily, in the field, when different gases are to be separated and analyzed. Also included are specific connectors for detachably connecting the columns with capillary tubes in the base unit of the gas chromatograph.

Abstract: An elongated structural element includes an external tubular casing (11) with the hollow interior space filled with a polymer binder (12) containing a plurality of elongated parallel continuous strands of fiber reinforcement material (13) extending lengthwise of the element. A method for preparing such an element is provided by filling a preformed tubular casing (11) with a polymer binder (12) in liquid form in which is dispersed the fiber reinforcement material (13) and allowing the polymer binder to solidify. The element may be initially shaped prior to solidification or reheated into another shape such as a helical coil or spring. An internal casing (29) can also be used where the fiber reinforcement strands (13) are between the external and internal casings (11) and (29).

Abstract: A method is disclosed for producing an optical fiber composite insulator, including the steps of: preliminarily heating the insulator body in its entirety at not less than 70.degree. C., then filling said organic insulating material into the through hole while said at least one optical fiber is being stretched straight, and then curing the organic insulating material by heating in a temperature range of not less than 75.degree. C. but not more than 90.degree. C. while at least one optical fiber is kept stretched straight.