Abstract: Automatic feeding blind rivet guns and method facilitating rapid installation of blind rivets with good freedom of movement of the operator. The blind rivet guns receive a carrier holding a substantial plurality of blind rivets in close side by side proximity and automatically sequentially loads and sets the blind rivets in response to operator control. The blind rivets are preferably supplied on an inexpensive disposable plastic carrier ready for use with the rivet installation gun. The installation gun itself is pneumatically powered, though other sources of power, such as electrical power, could be used.

Abstract: A plastic screwstrip has a holding strip carrying a plurality of screws in a side-by-side relation as adapted for feeding, into an autofeed screwdriver. To assist in identifying which of two distal ends of the screwstrip are to be fed into the screwdriver and to assist in guiding the entry of the holding strip therein, a guide section of the holding strip forward of the first screw to be driven is provided at its front lead end with an arrow shaped forwardmost portion.

Abstract: A nail holder strip, having a plurality of nail holders including a support base, for holding and supporting a nail, and a passage in the support base for receiving the nail. Additionally, each of the nail holders includes a stiffening stem positioned adjacent to the passage and to the support base, so as to provide additional rigidity to the strip. The plurality of nail holders are releasably attached to form the nail holder strip.

Abstract: A collation strip, and a collation strip assembly, comprises a plurality of fasteners upon which a plurality of collar members are disposed, the collar members being interconnected by means of a plurality of web members. Undersurface portions of the collar members are adapted to support the collation strip assembly upon rail members of a tool magazine, and in addition, the collar members have annular guide ring portions which cooperate with head portions of the fasteners so as to guide the fasteners in a two-point axially spaced manner within the nosepiece bore of the tool so as to ensure coaxial disposition of the fasteners within the bore throughout their driven movement through the bore by means of a tool driving blade assembly.

Abstract: A nail magazine including a plurality of guide sleeves (2) for receiving each a nail-shaped fastening element (1) and arranged in a row next to each other in a spaced relationship with respect to each other, with each guide sleeve (2) including two end region (E.sub.1, E.sub.2) having a same cross-section, a central receiving bore (3) extending parallel to a longitudinal axis of the guide sleeve (2), and a through-opening (7) located between the two end regions (E.sub.1, E.sub.2) and extending transverse to the longitudinal axis of the guide sleeve (2) and transverse to a longitudinal extent of the nail magazine, and a plurality of pairs of spaced from each other connection webs (4, 5) for connecting adjacent sides of two adjacent guide sleeves (2), respectively, with at least one region of each connection web having a cross-shaped cross-sectional surface (8).

Abstract: A threaded fastener having a threaded shank with threads on a forward portion of the shank near the tip of greater size than threads on a rear portion of the shank. A collated screwstrip comprising a plastic holding strap holding a plurality of such fasteners in a row in spaced side-by-side relation with the holding strap in threaded engagement with the smaller rear thread portion of each fastener.

Abstract: A nail magazine including a plurality of guide sleeves (2) for receiving each a nail-shaped fastening element (1) and arranged next to each other in a spaced relationship toward each other, forming a row of guide sleeves (2), with each guide sleeve (2) having two end regions (E.sub.1, E.sub.2) and central region (Z) having a radial extent smaller than a radial extent of both end regions (E.sub.1, E.sub.

Abstract: A screw feed belt is used to hold a plurality of screws and includes an elongated strap, a plurality of positioning rings, and a plurality of connecting ribs. The strap is made of a flexible material and is formed with a plurality of spaced-apart and aligned openings, each of which is defined by an annular confining wall. The positioning rings are disposed respectively in the openings. Each of the positioning rings has an inner periphery that defines a positioning hole adapted to permit extension of the shank portion of one of the screws and that is adapted to be in frictional contact with the shank portion, and an outer periphery surrounded by and spaced-apart from the confining wall of the respective opening. The positioning hole has a size smaller than the head portion of the screws so that the positioning ring is adapted to permit the head portion to rest thereon when the screw extends through the positioning hole.

Abstract: Since a distance of adjacent rivets held by a conventional blind rivet holder was large, a blind rivet holder which is smaller in the rivet distance, and which can accommodate a larger number of rivets in an accommodation case of a continuous riveter is provided. The blind rivet holder is designed to include: upper and lower tabs T4, T5 which are continuously arranged at minute constant intervals with narrow slits T3 formed at upper and lower ends of a perpendicular portion T2 having feeder slots for the blind rivet holder T; through hole s T41 and T51 provided so that a rivet R can be passed through the through hole s obliquely; and an oblique, U-shaped groove T21 provided so as to connect the slit T3 between the adjacent upper tabs T4 to the slits T3 between the adjacent lower tabs T5 and to permit bending from groove as a border.

Abstract: A belt (10) has cylinders (12) formed integral with a body (11) to hold a row of self-drilling reaming screws (20) each having a head (25), a threaded shank (21), a drill tip (22) and reaming blades (23) disposed on the tip and near the shank. The belt further has slits (13) extending radially from each cylinder, and lateral cutouts (15) intermittently drive the belt at the same pitch as the cylinders. Each cylinder is prismoidal between its wider inlet and narrower outlet so that a distance A between the cylinder's walls gradually decreases towards the outlet, but at the inlet this distance is substantially equal to the diameter d.sub.1 of an envelope circle of the blades. Inner edges (13a) of the slits (13) facing one another and disposed in and from the regions' inlet sides are spaced also the same distance B as the diameter d.sub.1 so that each screw can take a correct position on and perpendicular to the belt, thus enabling it to be loaded with the screws smoothly and efficiently.

Abstract: A carrier tape suitable for facilitating in-line washing of components for use in pick-and-place operations. The components are loaded into their respective pockets after emerging from one or more forming machines, with the components having lubricant remaining thereon, and are placed into respective pockets of the carrier tape with lubricant remaining on the components. The carrier tape has a plurality of pockets for receiving respective components, with the pockets having washing openings through which cleaning fluid is imparted to the components and allowed to drain from the pockets as the pockets are passed through washing and drying stations. After being washed and dried, a cover strip is detachably adhered to the carrier tape to maintain the components in their respective pockets.

Abstract: A screwdriver assembly to drive a threaded fastener carrying a washer thereon spaced axially from a head of the fastener towards a tip of the fastener. The screwdriver assembly comprises a guideway to receive a fastener coaxially therein, a washer abutment surface disposed about the guideway to engage a washer carried on a fastener received in the guideway to assist in axially locating the fastener coaxially within the guideway and an elongate rotatable driver shaft having at a forward end a bit member. The driver shaft is reciprocally movable axially in the guideway to engage the fastener with the bit member and drive the fastener axially forwardly from the guideway into a workpiece.

Abstract: A strip includes a number of holes formed by a number of peripheral walls for engaging with fasteners and includes a number of tapered annular surfaces and shoulders formed between the strip and the peripheral walls. The peripheral walls each includes one or more slits for resiliently supporting the fasteners in place. The slits are each terminated at a coupling portion. The strip includes a number of openings and a number of bulges extended from the tapered annular surfaces for decreasing the contact area between the strip and the fasteners.

Abstract: A screw-holding belt (10) is composed of a belt body (11) made of a flexible plastics sheet, and cutouts (12) serving to intermittently drive the belt body are formed in and along either or both the lateral sides of the belt body. Screw-holding cylinders (13) are formed in the belt body at the same pitch as the cutouts so as to receive and hold shanks (17) of headed screws (16). The belt further has apertures (14) formed in it and extending outwardly and radially from the opening of each cylinder (13), and each aperture (14) is of a sector form having a width increasing towards its bottom (14a) such that these bottoms are portions of an imaginary circle coaxial with the cylinder and having a diameter greater than that of a head (18) of each screw (16). The adjacent two apertures (14) define between them a skirt (15) whose circumferential width decreases towards the imaginary circle.

Abstract: The present invention is a fastener assembly including a row of fasteners maintained in position by a carrier. The carrier includes a plurality of adjacent sleeves, each of which includes an upper breakable portion, a middle wall portion, and a lower breakable portion. When a fastener is driven into a work piece, the upper and middle portions of the fastener sleeve break away and the lower portion breaks into fragments, so that no residual sleeve parts remain with the fastener. This is accomplished by forming the carrier from a mixture of a stiff polyolefin material and a particulate filler to impart the necessary brittleness to the carrier sleeves. Also, the lower portion of the sleeve includes fragmentable tabs joined at wall junctions which are structurally weaker than the tabs, to facilitate fragmentation between the tabs.

Abstract: A package for elongated parts (2) has a supporting element (1) made of a supporting strip (4) and of a tear-off covering strip (5). The supporting strip (4) has openings (6) in which the elongated parts (2) are laid, forming a row of parallel elongated parts. The package may be easily removed by tearing the covering strip (5) along perforated lines (13, 14).

Abstract: A powder-actuated tool cartridge clip comprising a generally elongate body member having major and minor dimensions, a plurality of explosive charge retaining receptacles arranged in series and an indexing member both disposed along the major dimension of the elongate body member. The cartridge clip is disposable in a feed channel of a powder-actuated tool of the type having an indexing mechanism for engaging and advancing the cartridge clip through the feed channel so as to sequentially position explosive charges retained at the cartridge clip in a discharge position. The cartridge clip also includes an indicator mark disposed along the elongate body member for indicating that a last remaining explosive charge retained in the cartridge clip is positioned at the discharge position or has been discharged when the portion of the cartridge clip having discharged explosive charges protrudes from the powder-actuated tool.

Abstract: A strip includes a number of holes and three or more bars extended downward from the peripheral portion of each of the holes for resiliently engaging with the fastener and for decreasing the contact area between the strip and the fastener. A cylindrical member is secured to the bottom portion of the bars and includes one or more slits for forming one or more coupling portions and for allowing the coupling portions to be easily broken when the fasteners are punched against the cylindrical member and punched away from the strip.

Abstract: A strip includes a number of triangular holes each formed by a triangular peripheral wall for engaging with fasteners and for decreasing the contact area between the strip and the fasteners. The triangular peripheral walls each includes three surfaces each having a slit for increasing the resilience of the triangular peripheral walls and for allowing the triangular peripheral walls to resiliently supporting the fasteners in place and for allowing the fasteners to be easily disengaged from the strip when the fasteners are punched relative to the strip.

Abstract: A strip includes a number of holes for engaging with fasteners and includes a number of shoulders formed around the holes for decreasing the contact area between the strip and the fasteners and for increasing the resilience applied to the fasteners. The strip includes a number of cylindrical walls for forming the holes and includes a number of slits formed in the shoulders and ending at the cylindrical walls for increasing a resilience of the shoulders. The strip includes a number of openings communicating with the slits for increasing the resilience of the shoulders.

Abstract: A screw band can hold screws of different diameters, having a body of any length provided with notches in two longitudinal sides for the band to be moved by a screw driving tool. The band has plural screw holes respectively defined by an annular wall extending down from the band. The annular wall has plural small notches for screws to be driven through the screw holes smoothly. Plural valves extend inward from an inner surface of the annular wall for supporting a screw planted in each screw hole. The valves may be any type and may bend to form a contact-with-each-other condition or a non-contact-with-each-other condition and to produce elasticity for securely supporting a screw of different diameters.

Abstract: A tee-nut holder strip of breakable material, and a plurality of tee-nuts having threaded sleeves and flanges, and spikes formed from portions of the flanges and having a strip defining a plurality of precisely spaced apart holes formed axially along the central axis of the strip for receiving the sleeves of the tee-nuts, the holes being undersized relative to the sleeves and displacement of material by the sleeves causing a wedging grip on the sleeves and, strip material located around the holes and the tee-nuts having their spikes penetrating through the material around the holes, thereby holding the tee-nuts in a predetermined precisely spaced apart relationship in the strip of material, the material being breakable between the tee-nuts, to permit punching in of individual tee-nuts one at a time, into a workpiece.

Abstract: A collated screwstrip comprising a plastic holding strip and a plurality of threaded fasteners with the holding strip holding the fasteners in a row in spaced side by side relation. The holding strip comprises a web member extending axially relative the screws and between screws. A reinforcing rib is disposed centrally on a side of the web member outboard of the screws which rib has a constant cross-sectional shape and size throughout the length of the holding strip and has a height less than that of the web member.

Abstract: A screw stay, injection-molded from plastics, including a longitudinal series of equally spaced screw mounting holes for mounting a respective screw, pairs of side notches made along two opposite long sides thereof between each two adjacent screw mounting holes, a plurality of annular flanges extending downwards from a bottom side thereof around each screw mounting hole, a plurality of splits extending from the top side through the border of each screw mounting hole into a part of each annular flange, sets of radial ribs respectively raised from the top side of the screw strap around each screw mounting hole and sloping outwardly upwards from each split for guiding the head of each screw into each screw mounting hole respectively, and sets of radial webs arranged under and aligned with respective ribs.

Abstract: A driver for fasteners, and particularly, a power screwdriver is described which is adapted to drive screws having different diameters. The power screwdriver has a removable guide tube and complementary drive shaft. The guide tube is sized to the diameter of one size of screw. The complementary removable drive shaft is sized to be guided in the guide shaft, reciprocally movable therein to engage and guide a screw located in the guide tube. By removal of one pair of guide tube and complementary drive shaft and replacement with another pair of guide tube and complementary drive shaft adapted for use with screws having a different head diameter, the driver is adapted for driving screws of different head diameters.

Abstract: A resinous belt is provided for holding a train of screws each having a shank and a head. The belt comprises a series of screw retaining bores formed in the belt at a predetermined pitch longitudinally of the belt. Each screw retaining bore has a diametrically smaller shank retaining portion for engagement with the screw shank, and a diametrically larger root portion which has a first edge adjoining the shank retaining portion and a second edge remote from the shank retaining portion. The screw retaining bore is surrounded by a plurality of removal facilitating holes formed in the belt. The root portion of the screw retaining bore is located radially outside an imaginary cone which contains the first and second edges of the root portion.

Abstract: A screw strip is disclosed in which each screw carries a washer on its screw shank between the tip of the screw and a plastic strip carrying a plurality of screws. A screw driving apparatus, and method of use of the strip are also disclosed. The washers and screw heads are of relatively large diameter and adjacent washers overlap each other. The power tools used to install the screws include indexing means which advance successive screws into driving position, and retract the remaining screw strip rearwardly in order to avoid interference between the driving tool, the driven screw and adjacent washers. This configuration permits application of large head screws such as hexagonal head screws carrying large washers by power tool socket drivers and is particularly useful in sheet metal applications. The invention is applicable to any fastener with a threaded shank including bolts and screws.

Abstract: A screw band of an elongate tape shape having one or two longitudinal sides provided with transporting notches space apart equidistantly, screw holes spaced equidistantly through its thickness, four spaced notches provided around the wall defined by each screw hole, a circumferential wall extending down from the round screw hole wall and having a cone shape or an annular shape, an annular small diameter wall extending down from the circumferential wall, the cone-shaped wall conforming to a sloping wall of a head of a screw for said screw head to rest on an inner surface of the cone-shaped wall, the annular wall having an inner hole just sized only a little larger than a threaded rod portion of the screw to fit through.

Abstract: For mounting in a notebook having outer covers and a spine, a sheet of clips comprises: a frame having inner and outer side rims, top and bottom cross rims, and optionally at least a rib connected between a pair of the rims; a set of paper clips integrally connected to the frame via the rims and the rib; each of the clips including an outer retainer, an inner retainer and a yoke connecting the outer retainer and the inner retainer; a rupturable junction extending between the frame and the yoke.

Abstract: A strap supports a number of screws for supplying the screws into a screwing gun device. The strap include a number of holes for engaging with the screws and includes a number of resilient blades for retaining the screws in place. The strap includes a number of notches of different depth formed in the two side edges so as to allow bending of the strap from the one side edge toward the other side edge and so as to prevent the strap from affecting the operation of the screwing gun device.

Abstract: Although the conventional continuous riveting machine was able to use only a special blind rivet having a longer core stem than that of the standard blind rivet provided on the market, the recently developed improved continuous riveting machine is able to use the standard blind rivet, then the blind rivet-holding belt according to the present invention for feeding the standard blind rivet to this improved riveting machine is developed. In this blind rivet-holding belt, on the upper and lower edges of a web, upper and lower tabs 731a, 731b are installed at predetermined intervals having a V-type groove, and the through holes 734, 737 are shaped on each of the tabs respectively for supporting a core stem and main body of the blind rivet, and the openings for guiding the blind rivet into the through holes are also provided on each of the upper and lower tabs.

Abstract: A strip of collated fasteners is disclosed, which comprises a plurality of fasteners and a carrier molded from a polymeric material. Each fastener has an elongate shank, which has a pointed end, and a head. The shank of each fastener defines an axis and has two portions of different diameters, namely a thicker portion adjoining the head and a thinner portion adjoining the pointed end, and a shoulder joining the thicker and thinner portions. The carrier comprises a separate sleeve associated with each fastener and is frangible between the separate sleeves. A representative sleeve is disposed around the shank of the associated fastener and has an initial axial length, which the representative sleeve assumes when disposed around the shank of the associated fastener but not compressed axially, and a critical axial length, at which the representative sleeve splits when disposed around the shank of the associated fastener and compressed axially.

Abstract: A packaging format for fasteners constituted by a strip of interconnected fastener retainers 10. Each retainer comprises a land of material, typically 9.5.times.9.5 mm (0.374 inch squared) in plan. Each land 12 has a hole 13 therethrough for receiving a fastener, in the form of a screw 14. The tip 16 of the fastener protrudes approximately 5 mm (0.2 inch) beyond the land. Between adjacent retainers a support 18 is located which would, in use, support the tip 16 of the fastener 14 clear of a work surface 20 while allowing visually unobstructed positioning of the tip 16 of the fastener. The strip also includes a locating tab 24 to assist in the accurate location of a tapping drill hole. This invention also extends to a drilling tool to further assist in drilling the tapping hole in conjunction with the tab 24.

Abstract: An article of manufacture is provided which enables nails to be fed serial fashion to a nail-driving device. The article of manufacture comprises a nail-supporting strip in the form of interconnected sleeves, each sleeve having a plurality of radially-extending ribs that define a nail-receiving passageway, and an end wall that is formed integral with the ribs. The sleeves are connected to each other by narrow webs that permit the sleeves to be sheared off from one another. The strip is adapted to receive and support a plurality of nails, with each nail being received and supported by a separate sleeve. The resulting combination of strip and nails forms a nail clip that is adapted to be loaded into the nail-receiving magazine of a nail-driving device.

Abstract: A T-fastener installation kit includes a packaging device for loading the T-fastener into a slotted needle without requiring the hands of the surgeon to touch the sharp end of the needle. T-fasteners may be commonly used, for example, in surgical procedures in which the T-fasteners are used to secure a patient's stomach or bowel in apposition to the abdominal wall. The packaging device includes a housing having a cylindrical recess into which the "T" head of the T-fastener is loaded. The surgeon can slide the open end of the slotted needle into the cylindrical recess and over the "T" head of the T-fastener, thereby effectively loading the T-fastener into the slotted needle without requiring the surgeon to touch the sharp point of the needle.

Abstract: A screw gun has a flat planar work face adapted to be placed flat against the work. An activator extending from the work face advances a screw along a guideway from a magazine to a driving position. A power unit is independently activated to drive the screw into the work. The screws in the magazine and guideway are mounted upon a flexible strip which has a body at the screw. The body has knobs extending on either side which fit within a groove of the guideway. The strip with the screws therein form a "Z" fold within the magazine and are guided from the magazine by a feed section which has one concave side and one convex side.

Abstract: A carrier tape system includes an elongated base strip and an elongated cover strip both formed of a plastic film material. The cover strip is substantially coextensive in length with the base strip. The cover strip has a top surface and opposed sidewalls extending downwardly from the top surface. The opposed sidewalls are spaced apart from each other a distance substantially equal to the width of the base strip. A cover strip further includes retaining means formed integrally therewith for mechanically engaging and holding down thin component parts seated in cavities formed in the base strip. The retaining means is comprised of a pair of spaced apart rail members which are formed coextensive with the cover strip extending longitudinally to the sidewalls and projecting downwardly and outwardly from the top surface thereof. The rail members are flared outwardly at a slight angle toward the respective opposed sidewalls.

Abstract: A carrier tape system includes an elongated base strip and an elongated cover strip both formed of a plastic film material. The cover strip is substantially coextensive in length with the base strip. The cover strip has a top surface and opposed sidewalls extending downwardly from the top surface. The opposed sidewalls are laterally spaced apart from each other a distance substantially equal to the width of the base strip. The cover strip further includes retaining means formed integrally therewith for mechanically engaging and holding down thin component parts seated within cavities formed within the base strip. The retaining means is comprised of either a ridge or a pair of laterally spaced apart rail members which are formed coextensive with the cover strip and which extend longitudinally, parallel to the sidewalls and which project downwardly from the top surface thereof.

Abstract: A tape for holding nails has a side wall and upper and lower walls extending from both longitudinal edges of the side wall to the same side. The upper wall is formed with notches which open to the longitudinal side edge of the upper wall to hold nail shanks at their upper part near their heads. A fold-back wall is integral with the lower wall and folded back so as to oppose the top surface of the lower wall. The lower wall and the fold-back wall are formed with notches which open to the fold-back edge between the lower wall and the fold-back wall to hold the nail shanks at the lower part neat their tips. Instead of providing the fold-back wall, the top surface of the lower wall may be partially thickened at least at inner end portions of the notches.

Abstract: A fastening apparatus uses fastening members such as screws held on a tape and supplied to the fastening position of a bit. The fastening members are separated from the tape by the bit after the posture of the tape is held in a predetermined state, whereby the fastening apparatus can keep a posture for the fastening operation even after the fastening members are separated from the tape.

Abstract: A blind rivet feed belt for a continuous riveter wherein a series of supporting means for rivet rods is formed on a plastic channel, plastic belts or metallic chains, a series of driven means for advancing said belt and a series of blind rivets inserted in said feed belt.

Abstract: The invention comprises a direct dispensing package. The package comprises a back panel, and a first and a second intermediate panel. The first intermediate panel is foldably connected to the back panel. The package also comprises means for rolling the second intermediate panel onto itself. A front panel is foldably connected to the second intermediate panel. The package further comprises means for maintaining an article of manufacture on the front panel and means for containing at least a portion of the front panel adjacent to the back panel. The article of manufacture can be a sterile surgical element. The means for rolling can be a plurality of parallel slats. The means for containing can be an envelope.

Abstract: In a strip of collated fasteners, each having a shank and a head, a carrier molded from a polymeric material has a sleeve for each fastener. Each sleeve has an annular portion and a breakable portion, which breaks into two segments as the fastener gripped by such sleeve is driven. The breakable portion, which is notched at one end, has a pair of similar, laterally opposed, outwardly opening, continuously curved concave recesses with open windows, from which portions of the fastener shank emerges. In a fastener-guiding tool, parallel ribs of a guiding device fit into such recesses, into close proximity with the emerging portions, so as to guide the strip between such ribs.

Abstract: A process for forming an integrated circuit pin grid array package comprising a flexible metal tape adapted for use in tape automated bonding with a plurality of holes. Terminal pins are inserted in the holes and the tapes and pins are disposed within a mold so that a cavity is formed about the pins and tape. The cavity is filled with a polymer resin so as to at least partially surround and support the pins and tape and thereby form the plastic encapsulated pin grid array.

Abstract: A fastener carrier for supporting screw members which includes a carrier strip having a substantial length and at least one row of apertures defined therein in a direction lengthwise of the carrier strip, and screw members each having a head and a stem and removably mounted on the carrier strip with the stem received in the corresponding aperture in the carrier strip.

Abstract: A nail retaining strip for feeding nails into a fastening element driving tool where the nails are driven individually out of the tool by a drive piston includes guide bushings for the nails. Adjacent guide bushings are separably interconnected by connecting webs. The guide bushing extends in the axial direction of the nail shank and has axially and circumferentially extending circular guide surfaces for supporting the nails within the muzzle bore of the driving tool. The connecting webs extend radially outwardly from the guide surfaces so that the guide surfaces on adjacent guide bushings are in spaced relation. The connecting webs retain the nails in the axial direction of the muzzle bore by engagement in a receiving recess in the bore located opposite a passage through which the nails are inserted into the bore. Such axial retention permits complete utilization of the nail strip down to and including the last nail.

Abstract: A screw strip is disclosed in which each screw carries a washer on its screw shank between the tip of the screw and a plastic strip carrying a plurality of screws. This configuration permits application of screws carrying the washers by power tools as is particularly useful in sheet metal applications.

Abstract: A tool for mounting cable end sleeves on the ends of cables, the tool having two profiled clamping jaws which can be pressed against a cable end sleeve by means of two pliers arms via a toggle joint. The sleeves to be mounted form an end sleeve magazine together with a carrier which, at the time of the opening of the tool, is transported along by means of a jump feed device.

Abstract: An expansible sleeve storage device comprises a magazine provided with a plurality of trough-shaped holders which are arranged near one another and have elastic walls, each of the holders having at least one projection, and a plurality of expansible plugs each arranged in a respective one of the holders and having an annular groove in which the projection of a respective one of the holders engages.

Abstract: A nail strip for use in association with a power-operated nailing device having strip feeding pawls and having a plurality of nails arranged in parallel spaced-apart relation, thermoplastic collars formed around the nails, webs extending between adjacent collars formed integrally, of a like thermoplastic material, engagement surfaces defined by asymmetric shoulders formed on the collars for engagement by the strip feeding pawls, and, the webs lying in a common plane spaced to one side of the plane containing the shoulders.