Abstract: A method of assembling a plate-fin heat exchanger including the steps of providing a plurality of like substantially straight elongated plate-fins with spaced holes, bowing the plate-fins to increase their stability and accumulating a plurality of bowed plate-fins in stacked contiguous relationship to provide a bundle, providing a plurality of elongated substantially parallel tubes spaced from each other substantially the same distance as the spaced holes and oriented substantially perpendicularly to the bundle of plate-fins, transferring the bundle of bowed plate-fins to a carriage, straightening the bundle of contiguous plate-fins from the bowed condition to a straightened condition, and transferring the bundle of plate-fins in the stacked contiguous straightened condition onto the plurality of elongated substantially parallel tubes.

Abstract: There is disclosed a hand-held labeler with a thermographic print head for printing on labels releasably secured to a carrier web, a delaminator for delaminating printed labels, an applicator for applying printed labels, a web feeding mechanism including an electric motor for advancing the carrier web, a detachable handle containing a source of electrical energy, and circuitry including a plurality of printed circuit boards electrically connecting the electrical energy source, the keyboard and the print head.There is also disclosed a process of making a feed wheel for the labeler which includes molding a hub having external axial grooves, molding feed rings having external tooth and internal projections which are cooperable with the grooves in the hub in only one rotational position, and sliding the rings onto the hub.

Abstract: A racquet has a sinuous string-securing member anchored in a groove around the internal periphery of the racquet frame. An anchoring member, which is wider than the mouth of the groove, engages each mounting portion of the string-securing member, and is trapped in the groove behind the mouth. The anchoring members may be made of nylon, and may be snap-fit over the mounting portions prior to sliding the entire string-securing assembly into the groove.

Abstract: A clasp is provided for a jewelry chain, particularly a chain adapted to hold interchangeable designer elements. The clasp has a male and a female member, the male member locking within the female member and being so sized that, when the clasp is opened, the interchangeable beads are easily slid over it and onto the chain; the female member is sized so as to prevent the decorator elements from being removed from the chain. The male member is preferably a spring which is depressed for insertion into the female member, the spring action causing a portion of the male member to lock with a portion of the female member.

Abstract: The present invention relates to a method and apparatus for handling any desired length of flexible material such as tubing in any desired mass production operation or in any simple operation where various lengths of flexible material such as flexible tubing must be handled and/or cut to any desired length. The present invention also relates to a method and apparatus for mounting attachments onto a length of flexible material such as tubing wherein any desired number of attachments can be quickly and efficiently mounted onto the tubing at any desired location or multiplicity of locations along the length of the flexible material including but not limited to at or adjacent the material ends.

Abstract: Procedure and device for application of a label to an article by means of an elastic fastening element. A label is separated from a magazine and conveyed via a guide towards a tube-shaped slit needle. The label is passed along the tip of the needle until the latter penetrates a pre-punched hole in the label. Thereafter, the label is withdrawn, threaded on the needle, and partly back into the magazine where it is retained. The tip of the needle is pressed through an article whereupon a retaining element is separated from a stem and its head is passed through the needle and thus also through the label and the article. When the needle is removed from the article the label remains hanging, anchored in the retaining element.

Abstract: A method and setting for mounting ornamental beads and gems which avoids the use of claws. The setting is comprised of a flat planar sheet metal support with an aperture therein and a rectilinear strip that extends diametrically across the aperture. The strip has two ends, both of which are initially in one piece with the support. In keeping with the method of this invention, one of said ends of the strip is sheared from the support adjacent a side of the aperture. The strip is then deformable about its non-sheared end from a position coplanar with the aperture thereby enabling the threading of an ornamental bead or gem with a straight-through opening therein onto said strip. Subsequent to threading of the ornament on the strip, the strip is positioned in the plane of the aperture and is held in this position by frictional wedging of the sheared end of the strip against the portion of the support from which that end has been sheared.

Abstract: Method and apparatus for threading a lamp cord through links in a lamp-supporting chain, for example, swag lamps. Selected links may be chosen to receive the lamp cord, that is, every fourth link, for example.

Abstract: A rod, preferably made of metal and partially or completely threaded, is introduced into a body that is preferably wooden and previously drilled, applying a rotary motion at one end of the rod, the rod and the wooden body being thus intimately joined through the effect of self-threading. When one or several rods pass through a number of wooden elements, a very effective union is obtained between the elements. In this way, the mechanical resistance of a piece can be increased and units can be produced through the assembly of elements joined by this method. The units can be articulated about the rod as a pivot. A machine is disclosed which can do the job automatically.

Abstract: A machine and method for assembling cables and precast grids or blocks into articulated erosion control revetment mats which utilizes a transfer roller conveyor oriented at right angles to a mat receiving belt or roller conveyor and communicating with the mat receiving conveyor by means of a right angle transfer table, together with a hydraulical powered push bar. One embodiment utilizes a belt-type mat receiving conveyor and an automatic push bar position sensing mechanism to activate the mat receiving conveyor and stop the mat and push bar at the proper position and return the push bar after it reaches its extreme of travel. A second embodiment of the invention is designed to be easily transported and assembled at a construction site and to have low power consumption requirements. A cable handling rake utilized with the machine and method is also disclosed.

Abstract: A device for stringing tennis rackets and the like, and for tightening sagging strings, which, in the preferred embodiment comprises three rows of rollers clamped around two adjacent strings inside the racket frame. Each row of rollers is attached to the end of a lever. The levers are rockingly linked together so that the strings can be gripped and released between the rollers as desired. The rollers are mechanically coupled to each other by way of a series of intermeshing spur gears. A crank, attached to the gears, drives the rollers and allows adjacent rollers to rotate in opposite directions. Thus, two strings in gripping engagement with the three rows of rollers are pulled in opposite directions as the crank is turned.

Abstract: A method and apparatus is proposed for the simultaneous joining together of a multiplicity of individual helical coils in forming a link belt section intended for co-operation with other like sections to produce a link belt of a requisite length, coils of opposite hand being arranged side-by-side in pairs and such pairs being combined together to form the section. Hinge wires are threaded through the interdigitated turns of adjacent coils to maintain the integrity of the total structure.The apparatus includes a guide means for locating the individual coils one relative to another and a roller nip arrangement through which the coils, in a requisite relative disposition, are caused to pass. Hinge wire insertion means is also provided, whereby individual hinge wires are introduced into the interdigitated turns of adjacent coils.

Abstract: An insulation filled building plank having two spaced apart boards held together and separated by webs having dovetail connections with the boards and being at an angle to the longitudinal axis of the plank so that any transverse cut of the plank will cut a web is produced on apparatus which first cuts matching dovetail grooves on surfaces of the boards arranged face to face after which the boards are turned to have the dovetail surfaces facing each other and the apparatus pulls dovetails of webs into the grooves in the boards from a magazine and then the apparatus fills the spaces between the webs and boards with an in situ foamable insulation.

Abstract: A method and apparatus for assembling a shackled conveyor belt from prepared helical elements having alternately a left handed thread and a right handed thread in a movable helical element connector which feeds individual helical elements towards the end helical element of the assembled portion of the conveyor by means of a feeding air flow.Two each individual helical elements during the feeding movement are pushed towards each other in their longitudinal direction at an angle by means of the feeding air flow, then the two helical elements are parallelly deflected in the area of their joining with alternating interlacing of their spires. The front end in the feeding direction of the joined pair of helical elements is engaged by means of a feeding air flow at an acute angle to the associated end section of the end positioned helical element of the assembled portion of the shackle conveyor belt.

Abstract: A necktie organizer of the type adapted to hang over a closet pole in which the tie supporting rod is provided with separaters to define sections in which ties might be organized by color, or the like, and in which the tie support of each of the sections is rotatable independently of the other sections. A novel method of construction of a necktie organizer is also disclosed in which a rod is passed through an aperture in one of two spaced supports and tubes and washers alternated thereon until the rod spans the supports.

Abstract: Helixes are assembled into face structures by providing an initial helix which is stretched and retained on a work table, and a first helix which is attached to the initial helix, inserting into the first helix of a prestretched second helix by means of a joining tool and from a discharge conduit so that the second helix exits from the discharge conduit at an acute angle with respect to the first helix and moved along the latter connecting the second helix with the first helix by inserting an insert wire into the overlapping areas between the head arches of the first and second helixes, and displacing the thus finished face structure by a predetermined distance between insert wires in a timed sequence before a subsequent such inserting step for a further helix to be inserted into the second helix.

Abstract: A slide apparatus for joining ends of a belt of the type having a plurality of transverse interlocked spiral elements. The slide apparatus includes two tapered overlapping channels for the reception of the overlapping belt ends so that upon movement of the slide apparatus the overlap of the belt ends will be reduced. The tapered channels terminate in a common narrow channel having a width equal to the overlapped end spiral elements so that upon passage of the two belt ends from the narrow channel a spring biased pusher element will force the overlapped spiral elements into meshing engagement, wherein a pintle wire, inserted into the passage defined by the intermeshed spiral elements, connects the belt ends.

Abstract: An improved camshaft having a plurality of journals with a removable sleeve positioned between at least one set of adjacent camshaft bearing journals. The sleeve has an outer surface which does not extend past the outer surface of the two adjacent journals and presents a continuous cylinder spanning the space between adjacent cam bearings thereby assisting in the insertion of the camshaft into an engine. After insertion into the engine, the sleeve is removed.

Abstract: The invention relates to a camshaft mounting for a one-piece camshaft supported in a cylinder head having three undivided bearing blocks. The camshaft 5 has three bearing portions of small diameter. One end bearing block (4) has a bore of the same diameter as the bearing portion 8. The middle bearing block 3 has a bore 12 of the same diameter as the bearing portion 7 and a cut-out 13 shaped to allow the cams 9 to pass through one by one if the camshaft 5 is correctly oriented. The last bearing block has a larger bore 16 and is fitted with a bush 15 after insertion of the cams of the camshaft. The camshaft is assembled by sequentially rotating it to align the cams one by one with the cut-out 13 and axial displacement. The bush 15 may be inserted after the camshaft has been slid into position or may be placed over the bearing portion 6 before the camshaft is finally pushed home.

Abstract: A curved mandrel, method of making same, and method of curing an uncured polymeric hose employing such curved mandrel are provided and the curved mandrel comprises a plurality of members disposed in end-to-end relation to define the configuration of the mandrel including a predetermined curvature therein, interlocking portions for interlocking the members in only one position to define the configuration and curvature, and a readily attachable and detachable device for holding the members axially against each other after interlocking wherein the members with the interlocking portions and holding device are adapted to provide a substantially straight mandrel for installation of an uncured straight hose therearound, define the configuration and curvature in the mandrel and uncured hose, and provide looseness and axial spacing between members to enable easy withdrawal of the cured curved hose from around the members.

Abstract: The circular friction lining carrier member having replaceable friction linings comprising radially inner and outer circumferential grooves in the carrier member to guide and hold the linings and a supporting element disposed between adjacent ones of the linings to transmit circumferential forces with the supportive elements being undetachably secured to the carrier member with radial clearance between the side walls of both grooves.

Abstract: There is disclosed a web of tags adapted to be attached to merchandise either by a conventional hand-held tag attacher which dispenses a fastener through a hollow attacher needle or by a loop-type fastener. The tag is convenient to use because its chadless hole pattern enables the tag to be held on the attacher needle without falling off before the needle is inserted into the merchandise to be tagged. In one illustrated embodiment, the chadless hole pattern will also open to a greater extent to enable passage of the head of a loop-type fastener.

Abstract: The application discloses a dimensionally stable link-belt comprising a multiplicity of helical coils arranged in interdigitated side-by-side disposition and connected together by respective hinge wires threaded therethrough, and also a method for producing the same wherein either or both of the coils and hinge wires, being of a synthetic thermoplastic monofilament material, deform on subjecting the belt to heat treatment under tension so as to impart dimensional stability to the total structure.

Abstract: A spiral linkage belt comprising a multiplicity of intermeshing plastic helices, with the windings of each helix penetrating into the windings of the adjacent helix so that the helices form passageways, and pintle wires extending through each passageway to connect the helices, the spiral linkage belt further including a fabric of interwoven structural warp wires and weft wires connected to the helices.

Abstract: A method of joining together optical fibre undersea cables. In a first step, a given length of a carrier vault (1, 2) which surrounds the optical-fibre containing core (3, 4) of the cable end is cut off so as to clear a sufficient length of optical fibre (5, 6), a part (9, 10) with at least one opening (11, 12) in which said optical fibre (5, 6) is inserted is placed in each said cable ends between the strands of the carrier vault, the ends of said carrier vaults (1, 2) are brought together and fixed substantially in contact each with another, said optical fibre ends (5, 6) of each of said cables are connected together then the excess length of fibre thus formed is stretched and helically wound around a sleeve (14).

Abstract: A tag threader apparatus includes a flat base and a spring-biased first class lever pivotally mounted on the bottom side of the base. A pad on one end of the lever may be depressed for pivoting the lever and reciprocating a string threading plunger, pivotally connected to the other end of the lever, through a guide on the bottom side of the base and a central portion of a string guiding groove in the base. The string to be inserted is received along the groove and is carried by an upper free end of the plunger through a hole in a tag positioned on the base. Overhanging ledge structures on the base guide and restrain the tag at a desired position on the base in which its hole is aligned with the plunger. Once the string has been pushed through the tag hole, it may be grasped as the tag is removed from the base.

Abstract: A thimble insert for placement in a thimble eye of a cable, the thimble insert including a rigid body having a groove therein for engagement with the thimble and a slot for receipt of an anchor device engaged by the thimble eye. The body can be prepared with either a cylindrical or a tear drop profile and may be fabricated as a two-piece assembly.

Abstract: A method of loading a column of hollow rivets on to a mandrel for use in blind-riveting. The rivets are provided assembled head-to-tail on a strand made of resilient plastics material. The strand may be tubular or have at least a hollow end portion and be connected to the mandrel by being pushed on to a reduced end portion of the mandrel so that the strand grips the mandrel and the rivets are slid off the strand and on to the mandrel.

Abstract: An apparatus and method for aligning a weatherstrip receiving slot in a receiving member, such as a door or window member, with the exit opening of a guideway. A weatherstrip fed by any suitable means through the guideway is inserted directly through the exit opening into the aligned receiving slot of the receiving member.

Abstract: A carrier member for replaceable friction linings for clutch-type disc brakes wherein the friction linings are guided and held radially relative to a brake disc by a positive engagement with grooves in an adjacent surface of the carrier member with the friction linings being supported in the circumferential direction relative to the disc by supporting elements connected to the carrier member. The supporting elements engage bores in the carrier member perpendicular to the adjacent surface and are held in their mounted position by a friction lining overlapping an edge of the adjacent supporting element.

Abstract: The sieve belt is comprised of a multiplicity of helices made of thermosettable synthetic resin material which are interlocked with each other by inserting a plurality of pintle wires into the channels defined by the overlapping helices. For controlling the air permeability of the sieve belt, the hollow interiors of the helices are filled with a filler material comprised of crimped synthetic filaments.

Abstract: This invention provides an improvement of an apparatus and method of coiling an insulating electric wire in an insulating tube which is supported within a U shaped groove of a supporting frame provided on a stand. The wire is fed into the tube from a wire supporting roll by a wire lead mechanism having a driving friction roll and a vibratory friction roll controlled by a spring.

Abstract: A paint can having a curl about its upper open end, the curl being fabricated at diametrically spaced areas to provide means for attachment of a bail.

Abstract: Loading of a pull-through blind riveting mandrel is effected by arranging on an elongated sleeve a plurality of hollow rivets assembled head-to-tail, threading the mandrel along the sleeve, and transferring the rivets to the mandrel while withdrawing the sleeve. In addition to this procedure the invention contemplates provision of a package or assemblage for facilitating storage and/or transfer of the rivets of a column to a reuseable rivet-installing mandrel.

Abstract: A building structural unit and its method of construction is disclosed. Additionally provided is a method for the building of structural arrays with a plurality of the structural units. The structural unit of the present invention provides an inner structural core portion having provided attached to the outer surface thereof load-distributing surfaces. Suitable attachment means can be provided in order to facilitate connection of a plurality of the individual units together forming a structural array such as a wall, slab, ceiling, column, or the like. The structural units can be fastened together by means of tension members such as for example threaded rods, with each individual unit being provided with bores therethrough through which the tension members or rods can pass. Bolted or like connections at the tension member ends bear upon the provided load distributing surface to complete the desired mating of the individual units.

Abstract: A method and tool is disclosed for placing a series of beads on a braid of hair in which the braid is received through a loop formed of a cord on which the beads have been strung, the beads then being pushed onto the braid which is then removed from the loop.

Abstract: A method of and apparatus for attaching a connecting piece to objects to connect these objects to each other. The connecting pieces each having a filament portion, a head portion attached to one end of the filament portion and a cross-bar portion attached to the other end, are successively severed one by one by the attaching device from a continuous belt of connecting pieces formed integrally from a plastic and having a connecting rod to which the connecting pieces arranged in side-by-side relation are connected through respective connecting portions, and are then attached to the objects to connect them to each other. The improvement resides in a technic which ensures to correctly position the connecting piece to be severed to the severing position even when the connecting pieces in the connecting piece belt are disposed at an irregular pitch.

Abstract: An apparatus for feeding a flexible elongate member, e.g. pile weatherstrip, into a groove in an elongated member, the apparatus being capable of being driven by an electric motor or drill and including a pair of rollers defining a nip through which the pile is driven into an outlet guide with which the groove in the elongated member is aligned at the downstream end thereof. It is preferred that two sets of roller nips are provided, there being a common roller for each nip and there being an inlet guide to direct the pile weatherstrip into a first nip, and an intermediate guide to direct the weatherstrip from the first nip to the second nip and hence into the outlet guide. Preferably, the roller common to each pair is driven via a toothed belt, and the other two rollers can be moved towards or away from said common roller. Preferably, this roller has a grooved periphery to receive the pile of the weatherstrip and all the rollers are knurled.

Abstract: A gas insulated, high-voltage electric line, as well as a method and apparatus for assembling the high-voltage line, is disclosed. The high-voltage line includes a pipe jacket as well as a conductor centrally arranged within the pipe jacket. A carrier ring encircles the conductor at each of a plurality of stations along a longitudinal axis of the pipe jacket. Each carrier ring carries a plurality of radially directed insulators. Interposed between each insulator and its respective carrier ring is a spring which urges the insulator radially outwardly toward, and into engagement with, the inner surface of the pipe jacket.

Abstract: A district-heating line comprising an inner metal tube intended for the transfer of heating medium and encircled by an insulating layer of foamed plastic. Arranged around the insulating layer is a protective tube. To enable an alarm to be given in the event of a fault in the line, there is fixedly mounted on the outer cylindrical surface of the metal tube, an elongated block which carries at least one alarm conductor, said conductor being grouted in a fixed position in an associated channel in the block by the foamed plastic insulating material. In this way, the alarm conductor can be fixed at a given distance from the metal tube, to facilitate the localizing of a fault.

Abstract: An arrangement for fabricating planar elements which may be stacked for producing predetermined surfaces and bodies. The planar elements have cross-sections corresponding to respective cross-sections of the surface to be constructed. The planar elements are formed by cutting them from plate-shaped material or sheet metal, and the cut-out elements are held to the parent sheet or plate material by tabs. The planar elements are cut successively from the sheet or plate-shaped material at spaced intervals. The cutting action is such as to leave the tabs for holding the planar elements in place. Registration holes are punched about the planar element, so that these may be readily stacked relative to each other, as required to form the surface to be constructed. Sprocket holes are also punched in the sheet material to advance the material along a processing path at which the various processing stations are located.

Abstract: A method and apparatus for dispensing a fluid in a conduit and more particularly for dispensing lubricant within an electrical conduit for facilitating pulling electrical cables through the conduit. The apparatus is in the form of a cartridge disposed in the conduit at an end thereof. The cartridge is made of a pair of sealed and separable members. One of the members is a flanged sleeve forming the casing of the cartridge, in which is coaxially disposed the other member forming a tubular support member or carrier for a mass of resilient and absorbent lubricant impregnated porous material compressibly packed between the inner surface of the sleeve casing and the carrier. A cable pulling strand, or fishtape, is passed through the tubular carrier, and the cables to be pulled through the conduit are attached to the end of the fishtape. A plug inserted in the open end of the tubular carrier prevents the fishtape and the cables attached thereto from being pulled back through the carrier.

Abstract: A guide device for replacing a rope of a rope carrier on a dryer roll of a paper making machine comprises a fastener for attaching the device to the roll and a guide for guiding the rope back onto the roll. In carrying forth the method herein, the guide device is attached to the roll, the rope is placed over the guide device, and the roll is rotated to replace the rope thereon.

Abstract: A transfer arm includes a magnet which can be placed in alignment with the spindle aperture of a recording disc. A spindle is mounted to a support at a stacking station for receiving the aperture of the disc on the transfer arm when the disc is released. The extended tip of the spindle includes a swivel member made of magnetic material which is placed in alignment with the disc aperture by the magnetic field produced by the magnet. The disc is then released from the arm at the stacking station and slips over the aligned swivel tip onto the spindle for stacking.

Abstract: A strap fastener and method for securing a strap to the fastener for forming a tight loop for strapping an object. The fastener is a one-piece, generally rectangularly shaped body having either a single slot or a pair of slots providing a pair of opposed inside edges, an intermediate slot, and an end slot with all slots being sized to receive flexible strap.

Abstract: This invention relates to methods and apparatus for making heat-insulated structural section assemblies for use in window and door frames, and the like. The structural section assemblies consist of two structural metal sections transversely connected to each other by a pair of parallel, heat insulating bars spaced from each other and having longitudinal ends of swallow-tail cross-sectional shape which are successively received between pairs of longitudinally extending opposite grooves each defined by upper and lower flanges of said structural sections, whereby said pair of heat-insulating bars define an enclosed space, these grooves loosely receiving first one of said heat-insulating bars being closed upon said first heat-insulating bar by continuously pressing said upper flanges against said heat-insulating bar.

Abstract: The invention relates to a method for manufacturing a chain or the like, particularly for ornamental use, wherein modules are made from one or more vertebrae taken from the vertebral column of an animal, presenting the same type of articulation as the original vertebra and these modules are fitted in one another in the manner of the natural vertebral column with the aid of assembly means. The modules may be strung on a supple cord, or may be formed to be connectable by integral means. The cire perdue method may be used to produce any desired number of modules from a vertebra. Vertebrae of different sizes may be used to produce a chain of links of varying size.

Abstract: The present invention provides methods and apparatus for installing a cylindrical body, having a plurality of external axial splines, within a stack of annular plates, said plates having radially inner teeth for meshing with said splines. The method includes the placement of a cylindrical alignment tool, having a plurality of external splines, in a position subsequently to be occupied by said cylindrical body. The annular plates are placed about said alignment tool, with the teeth of said annular plates meshing with said alignment tool. Then, an axially compressive force is applied to said stack of plates to maintain axial alignment of the teeth of adjacent plates. This axial compressive force is supplied by a high pressure fluid which is communicated to a piston engaging said stack of plates. Then, the alignment tool is removed while said axial compressive force is retained on said stack of plates.

Abstract: In manufacturing an electric lamp having at least one current supply wire connected to a lamp cap after having been passed through an aperture in the cap, the end of the wire is guided through the aperture after folding back the free end of the wire to provide a rounded surface which does not snag. Preferably the wire is folded back at a predetermined distance from its point of emergence from the lamp envelope, thereby eliminating the need for snipping off the excess length.

Abstract: A lifejacket is provided comprising a one piece body member of moulded, flexible, plastic foam. The lifejacket is divided into three distinct portions; that is a headrest portion, a shoulder portion and a chest portion, the shoulder portion incorporating a neck aperture. A longitudinal slit is provided which extends through the chest portion from the neck aperture thereby dividing the chest portion into two similar parts. The longitudinal slit facilitates the fitting of the life jacket to a wearer. A one piece tape is provided which passes through two longitudinally spaced transverse bores, one extending through the headrest portion and the other through the chest portion.