EP3328590B1 - Eintreibvorrichtung, kartuschenstreifen und befestigungssystem - Google Patents

Eintreibvorrichtung, kartuschenstreifen und befestigungssystem Download PDF

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Publication number
EP3328590B1
EP3328590B1 EP16750399.4A EP16750399A EP3328590B1 EP 3328590 B1 EP3328590 B1 EP 3328590B1 EP 16750399 A EP16750399 A EP 16750399A EP 3328590 B1 EP3328590 B1 EP 3328590B1
Authority
EP
European Patent Office
Prior art keywords
cartridge
strip
opening direction
closure
receiving chamber
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Active
Application number
EP16750399.4A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP3328590A1 (de
Inventor
Jan Freiburger
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Hilti AG
Original Assignee
Hilti AG
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Priority claimed from EP15179306.4A external-priority patent/EP3124181A1/de
Priority claimed from EP15202247.1A external-priority patent/EP3184258A1/de
Application filed by Hilti AG filed Critical Hilti AG
Publication of EP3328590A1 publication Critical patent/EP3328590A1/de
Application granted granted Critical
Publication of EP3328590B1 publication Critical patent/EP3328590B1/de
Active legal-status Critical Current
Anticipated expiration legal-status Critical

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/18—Details and accessories, e.g. splinter guards, spall minimisers
    • B25C1/182—Feeding devices
    • B25C1/186—Feeding devices for cartridges or pellets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/16—Cartridges specially adapted for impact tools; Cartridge and bolts units
    • B25C1/163—Cartridges
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25C—HAND-HELD NAILING OR STAPLING TOOLS; MANUALLY OPERATED PORTABLE STAPLING TOOLS
    • B25C1/00—Hand-held nailing tools; Nail feeding devices
    • B25C1/08—Hand-held nailing tools; Nail feeding devices operated by combustion pressure
    • B25C1/10—Hand-held nailing tools; Nail feeding devices operated by combustion pressure generated by detonation of a cartridge
    • B25C1/18—Details and accessories, e.g. splinter guards, spall minimisers

Definitions

  • the invention relates to a device for driving fasteners into a substrate, a cartridge strip for a drive-in device and a fastening system with a drive-in device and a cartridge strip.
  • Known drive-in devices are used, for example, as powder-operated bolt guns and usually comprise a combustion chamber in which a fuel charge, which is usually designed as a solid propellant charge, can be combusted to transfer energy to a fastening element, a cartridge bearing and a closure.
  • the cartridge bearing has a receiving chamber open to the combustion chamber in an opening direction for a cartridge containing the fuel, so that a cartridge received in the receiving chamber can open towards the combustion chamber as soon as the cartridge is ignited.
  • the shutter in a closed position limits the receiving chamber so that the cartridge is supported perpendicular to the opening direction by the cartridge bearing and counter to the opening direction by the closure. This chambering is intended to ensure that the cartridge only opens towards the combustion chamber during ignition.
  • the cartridges are often magazined in a cartridge strip and the recording chamber gradually fed along a strip feedthrough.
  • the chambering of a cartridge in the receiving chamber is incomplete, however, since in the region of the closure a support of the cartridge perpendicular to the opening direction is missing.
  • the mostly made of plastic cartridge strip does not withstand the combustion pressure during ignition of the cartridge, there is a risk that the cartridge in the area of the strip passage, ie at its counter Opening direction pointing end bursts and there unloads.
  • known driving devices and cartridges are designed for a limited combustion pressure.
  • a cartridge strip conveying mechanism in which a feed lever for advancing a cartridge strip is hinged to a trigger. To fire a cartridge of the cartridge strip, a closure rests against the cartridge strip.
  • a plastic cartridge for a shot device which has a cartridge body with a flange.
  • the flange When the cartridge body is inserted into the shooting apparatus, the flange extends in a space which leads out of a receiving space of a cartridge storage and is formed by the cartridge storage and a closure bottom.
  • the flange forms a wedge to transmit and disassemble loads occurring in the direction of the flange on the cartridge bearing and the closure bottom.
  • a combustion-powered setting tool which has a transport device for propellant charges and an ignition means for a propellant charge located in a propellant charge recording. To ignite the propellant charge is an ignition unit to the propellant charge.
  • a cartridge strip having a row of cartridge receiving holes surrounded by grooves for clean placement of the cartridges in a powder powered tacker. Due to the grooves, sleeves form in the cartridge strip which interact with circumferential extensions of the tacker to prevent damage to the cartridges.
  • a cartridge magazine which has a strip-shaped carrier element and a plurality of propellant containing cartridges.
  • the carrier element has a taper with decreasing width and a Sprerr arrangements, which prevents insertion of the cartridge magazine in setting tools, for which it is not intended.
  • a cartridge for setting tool which consists of a cup-shaped receiving body with a lateral surface and a closure lid.
  • the closure lid closes the receiving body at its open end and has a cylindrical portion which expands upon ignition of the cartridge, so that between the receiving body and the closure lid creates a positive connection.
  • a cartridge and a cartridge tape magazine are described in which the cartridge is composed of a sleeve body and a lid.
  • the cartridge is composed of a sleeve body and a lid.
  • the sleeve body separate receiving spaces for a primer and a propellant charge set are housed.
  • a device for driving fastening elements into a substrate comprises a combustion chamber in which a fuel can be burned for transmitting energy to a fastening element, a cartridge bearing which has a receiving chamber open to the combustion chamber in an opening direction for the fuel Cartridge containing, a closure which limits the receiving chamber in a closed position of the closure against the opening direction, and a transport direction defining and opening into the receiving chamber strip passage for a cartridge carrying the cartridge strip, wherein the closure rests in the closed position on the cartridge bearing ,
  • the receiving chamber is open only to the combustion chamber and the strip passage and otherwise enclosed by the cartridge bearing and the closure.
  • the closure in the closed position of the closure, projects into a recess of the cartridge storage which forms the receiving chamber.
  • the cartridge bearing has a bevel as a mating contour for an insertion bevel of the cartridge strip.
  • the bevel is annular.
  • the bevel is frustoconical.
  • the chamfer extends to an edge of the receiving chamber.
  • the receiving chamber seen in the opening direction, at the level of the chamfer and / or at the level of the boundary through the closure has a partially circular circumference.
  • the cartridge strip in the closed position of the closure can be supported perpendicular to the opening direction and perpendicular to the transport direction of the closure.
  • a cartridge arranged in the receiving chamber in the closed position of the closure can be supported directly or indirectly via a carrier strip of the cartridge strip over its entire length measured in the opening direction perpendicular to the opening direction of the cartridge storage and / or the closure.
  • the cartridge is only supported there by the cartridge bearing.
  • An embodiment of the device is characterized in that the cartridge is supported at its opposite the opening direction facing rear end perpendicular to the opening direction and perpendicular to the transport direction of the closure.
  • the closure has a support projection on which the cartridge can be supported.
  • An embodiment of the device is characterized in that the cartridge can be supported on its entire width measured in the transport direction perpendicular to the opening direction and perpendicular to the transport direction of the closure.
  • An embodiment of the device is characterized in that the cartridge is supportable in the transport direction of the closure, preferably on their entire measured perpendicular to the opening direction and perpendicular to the transport direction depth.
  • An embodiment of the device is characterized in that the closure has a firing pin guide, which opens into the receiving chamber in the closed position of the closure, and in which a firing pin for firing a possibly arranged in the receiving chamber cartridge to the receiving chamber is movable.
  • An embodiment of the device is characterized in that the closure has a support surface for supporting the cartridge perpendicular to the opening direction.
  • the support surface in the form of a particularly preferably completely circumferential truncated cone.
  • An embodiment of the device is characterized in that the device comprises a Anpressbutler which conveys a cartridge of a cartridge strip along the strip passage in the transport direction in the receiving chamber when the device is pressed against a substrate and / or when a driving operation is completed.
  • the Anpressconnectler comprises a transport lever for conveying the cartridge into the receiving chamber.
  • An embodiment of the device is characterized in that the carrier strip has on its opposite pointing to the opening direction back a back strip recess, which is seen from the cartridge in a direction perpendicular to the opening direction and perpendicular to the transport direction.
  • a cartridge strip for a drive-in device comprises a cartridge containing a fuel and a carrier strip which supports the cartridge and defines a transport direction, the carrier strip having a cartridge receptacle defining an opening direction in which the cartridge is received such that the cartridge open in the opening direction when the fuel is ignited, wherein the carrier strip has on its facing in the opening direction front side an insertion bevel which extends perpendicular to the opening direction to an outer edge of the carrier strip.
  • the insertion bevel preferably has a straight contour in a cross section.
  • the insertion bevel has a curved contour in a cross section. Particularly preferably, the contour is concavely curved. Alternatively, the contour is convexly curved.
  • the carrier strip has a strip section associated with the cartridge with a partially circular circumference in the opening direction.
  • the strip section has a transport projection projecting perpendicular to the opening direction over the remaining circular shape of the strip section, but which does not project beyond the remaining circular shape of the strip section perpendicular to the transport device.
  • the circumference of the strip section preferably deviates from the circular shape only in the region of the transport projection and optionally in the region of a transition to an adjacent further strip section.
  • the insertion extends to the transport projection.
  • the insertion bevel is annular.
  • the insertion bevel is frusto-conical.
  • the carrier strip comprises a web which encloses the cartridge receptacle and which has the insertion bevel on its outer side facing away from the cartridge.
  • the cartridge strip is characterized in that the carrier strip has a front strip recess on its front side pointing in the opening direction and / or has a back strip recess on its rear side facing the opening direction, which is arranged in a direction perpendicular to the opening direction when viewed from the cartridge are, and which individually or jointly extend along the opening direction at least from one pointing in the opening direction front end of the cartridge receptacle to a counter to the opening direction facing the rear end of the cartridge.
  • An embodiment of the cartridge strip is characterized in that the carrier strip has a web which is arranged between the cartridge receptacle and the rear strip recess.
  • the web preferably separates the cartridge receptacle from the rear strip recess. According to a preferred embodiment, the web is aligned with a cartridge bottom of the cartridge.
  • An embodiment of the cartridge strip is characterized in that the rear-side strip recess is arranged only on the rear side of the carrier strip.
  • the back strip recess is formed as a recess.
  • An embodiment of the cartridge strip is characterized in that the rear-side strip recess extends in the transport direction along the entire width of the cartridge measured in the transport direction.
  • An embodiment of the cartridge strip is characterized in that the rear-side strip recess extends in a direction perpendicular to the opening direction and perpendicular to the transport direction along the cartridge.
  • the rear-side strip recess preferably extends along the entire depth of the cartridge measured perpendicular to the opening direction and perpendicular to the transport direction.
  • An embodiment of the cartridge strip is characterized in that the rear strip recess has a support surface for support on a closure of the drive-in device.
  • the support surface in the form of a particularly preferably completely circumferential truncated cone.
  • An embodiment of the cartridge strip is characterized in that the carrier strip comprises transport projections on which the cartridge strip can be conveyed by a transport device of the drive-in device, preferably a transport lever of the transport device, through a strip feedthrough of the drive-in device.
  • the carrier strip is preferably made of a plastic.
  • the cartridge and in particular a cartridge wall of the cartridge are preferably made of a metal or an alloy, alternatively made of a plastic.
  • the cartridge storage and / or the closure are preferably made of a metal or an alloy.
  • a fastening system comprises a device according to the invention for driving fastening elements into a substrate and also a cartridge strip according to the invention.
  • the bevel of the cartridge bearing and the insertion bevel of the cartridge strip have the same shape and abut each other when the cartridge is arranged in the receiving chamber.
  • the cartridge strip fills the receiving chamber completely and the cartridge is supported in the closed position of the closure except for the combustion chamber on all sides when the cartridge is arranged in the receiving chamber.
  • the carrier strip has a recess running around the cartridge receptacle and completely enclosing the cartridge receptacle on its front side pointing in the opening direction.
  • the recess has the shape of a circular ring.
  • the recess is formed as a groove.
  • the recess is formed over the entire circumference around the cartridge receptacle as a groove.
  • the recess and the recess associated with an adjacent cartridge receptacle are connected to one another such that they form a common recess.
  • the common recess has the shape of the numeral "8".
  • the depression and the recess associated with an adjacent cartridge receptacle are completely separated from each other.
  • the carrier strip preferably has a separating web which separates the mutually adjacent depressions from one another.
  • the cartridge bearing engages in the recess of the cartridge strip when the cartridge is arranged in the receiving chamber.
  • the cartridge store completely fills the recess of the cartridge strip when the cartridge is placed in the receiving chamber.
  • Fig. 1 is a section of a driving device 100 for driving fasteners, not shown in a non-illustrated substrate shown in a longitudinal section.
  • the fasteners are, for example, nails, pins, bolts, rivets and / or pins, which are driven into a flat or uneven surface of metal, an alloy such as steel, concrete, wood or the like.
  • a preferably piston-shaped driving-in element 110 is moved toward a fastening element arranged in an element guide, not shown, which was previously fed from a magazine, not shown, or individually by a user of the driving device 100 of the element guide.
  • the driving-in device 100 comprises a cartridge bearing 120 with a receiving chamber 130 for a cartridge 170.
  • the driving-in element 110 is arranged in its initial position, ie before a driving-in operation, opposite the cartridge bearing 120, lies in particular against the cartridge bearing 120 and points to the cartridge bearing 120 facing end face on a preferably circular or annular recess 140.
  • the cartridge bearing 120 in turn has in its the drive element 110 facing surface on a preferably cup-shaped recess 150, which is arranged in the starting position of the driving member relative to the recess 140 and together with the recess 140 and an optionally existing gap between the Drive element 110 and the cartridge bearing 120 forms a combustion chamber 160.
  • a fuel can be burned to accelerate the drive-in element 110 and thus to transfer energy to a fastening element.
  • the combustion chamber is formed only by a recess in the driving element or only by a recess in the cartridge bearing, in each case in particular together with an optionally existing gap between the driving element and the cartridge bearing.
  • the fuel not shown in detail is preferably solid, more preferably powdery, and is provided by the cartridge 170 in which it is disposed.
  • the cartridge 170 is in turn received in the receiving chamber 130 and lies in particular circumferentially on a wall portion 135 of the receiving chamber 130 at.
  • the wall section 135 has the shape of a funnel or truncated cone to be tapered onto the combustion chamber 160, the receiving chamber 130 being open towards the combustion chamber 160 so that the fuel, in the event of ignition, from the cartridge 170 opening in an opening direction 180 to the combustion chamber 160 expand and in the combustion chamber 160 can generate combustion pressure, whereby finally the driving element 110 is accelerated to the fastening element, not shown.
  • the cartridge 170 is part of a cartridge strip 200 and is carried by a carrier strip 210 by being received in a cartridge receptacle 220 of the carrier strip 210 such that the cartridge 170 can open in the opening direction 180 when the fuel is ignited.
  • the cartridge receptacle 220 is for this purpose in the opening direction 180 to the combustion chamber 160 to open.
  • the cartridge strip 200 is transported in the longitudinal direction of the carrier strip 210 by a strip feedthrough not shown further and defining a transport direction 230 of the drive-in device 100.
  • the strip passage opens into the receiving chamber 130, so that the cartridges 170 can be successively placed in the receiving chamber 130 and ignited.
  • the driving device 100 further comprises a shutter 190, which in Fig. 1 is shown in a closed position, which a einwreibren position of Drive-in 100 corresponds.
  • the closure 190 defines the receiving chamber 130 against the opening direction 180.
  • the closure 190 clamps the cartridge 170 and / or the carrier strip 210 between itself and the cartridge storage 120 such that the cartridge 170 is chambered in the receiving chamber 130 and opens at an ignition of the fuel only in the opening direction 180.
  • the cartridge 170 has a predetermined breaking point 175 at its end pointing in the opening direction 180, which is preferably formed by an interruption of the cartridge wall 171.
  • the cartridge has at its end facing away from the opening direction a cartridge bottom 174 and laterally thereof a particular circumferential projection 172, which is preferably formed by a fold 173 of the cartridge wall 171.
  • the closure 190 has a firing pin guide 191 which opens into the receiving chamber 130 on the side of the receiving chamber 130 facing the opening direction, so that a firing pin (not shown) for firing the cartridge 170 arranged in the receiving chamber 130 can be moved toward the receiving chamber 130 in that the firing pin strikes the bottom of the cartridge 174 and ignites the fuel, in particular via an ignition charge arranged in the cartridge 170.
  • the primer is preferably disposed on an edge of the cartridge bottom 174 and more preferably in the fold 173 and is ignited, for example, by compression.
  • the cartridge 170 is thus preferably designed as a rimfire cartridge.
  • the cartridge bearing 120 and the shutter 190 are moved away from each other in the opening direction so far that the cartridge strip 200 can be moved with the cartridges in the transport direction 230 between the cartridge bearing 120 and the shutter 190.
  • the transport of the cartridge strip 200 is accomplished by means of a Anpressplilers, not shown, in particular a transport lever, which is actuated when the driving-100 is pressed against the ground and / or when a driving operation is completed.
  • the transport lever is actuated by the recoil caused by the driving operation after the driving operation is completed.
  • a pressing spring is tensioned when pressing the driving device to a substrate, which is relaxed again when lifted from the ground and particularly advantageous accomplishes the transport of the cartridge strip or supported.
  • the cartridge 170 is supported in the receiving chamber 130 through the cartridge bearing 120 transverse to the opening direction 180, in some areas directly by direct contact between the cartridge 170 and the cartridge bearing 120 and partially indirectly over a particular circulating around the cartridge
  • the measures being individual or arbitrary Combination may contribute to improved support of the cartridge.
  • the carrier strip 210 may not provide sufficient support of the cartridge 170 alone.
  • the closure 190 has a support projection 195 which, at least in the closed position of the closure 190, engages in a rear strip recess 250 provided on the carrier strip 210.
  • the support projection 195 has a support surface 196, which is particularly preferably aligned parallel to the opening direction 180, namely for supporting the cartridge 170 perpendicular to the opening direction 180.
  • the support surface in the form of a particularly preferably completely circumferential truncated cone.
  • the rear strip recess 250 has a support surface 260 which corresponds to the support surface 196 and which is optionally likewise aligned parallel to the opening direction 180 and rests against the support surface 196 in the closed position of the closure 190.
  • the carrier strip 210 has a web 270, via which the cartridge 170, in particular in the region of the fold 173 and / or the cartridge bottom 174 transversely to the opening direction 180, indirectly on the closure 190, in particular its support projection 195, is supported.
  • the web 270 has, transversely to the opening direction 180, a thickness of less than 1 mm, preferably less than 0.5 mm, particularly preferably less than 0.3 mm, and is aligned with the cartridge bottom 174 in the transport direction 230 Bridge 270 a height of at least 0.5 mm, preferably at least 1 mm, more preferably at least 1.5 mm or at least 2 mm.
  • the rear strip recess 250 is formed as a recess or as a recess and thus arranged only on the back of the carrier strip 210.
  • the back strip recess is formed as an opening and extends to a front side of the carrier strip.
  • the closure has no such support projection, so that also eliminates the back St Shapeaus predominantlyung the carrier strip.
  • the cartridge bearing 120 has a cartridge bearing projection 125, which extends the cartridge receptacle 130 counter to the opening direction 180, so that the cartridge 170 is supported over a large area of its length measured in the opening direction perpendicular to the opening direction.
  • the carrier strip 210 has a recess 280 corresponding to the cartridge bearing projection 125 into which the cartridge bearing projection 125 engages in the closed position of the shutter 190 to support the cartridge 170.
  • Cartridge bearing projection 125 fills cavity 280 completely, making undesirable deformation of carrier strip 210 difficult.
  • the carrier strip 210 in each case has a separating web 290.
  • the cartridge bearing engages in the recess of the cartridge strip when the cartridge is arranged in the receiving chamber.
  • the cartridge store completely fills the recess of the cartridge strip when the cartridge is placed in the receiving chamber.
  • the cartridge 170 is supported by means of the support projection 195 and the rear strip recess 250 transversely to the opening direction 180 and in the transport direction 230 on the closure.
  • the cartridge bearing projection 125, the front side strip recess 280, the stiffening land 290, the support projection 195, the rear strip recess 250, the support surface 196, the support surface 260 and / or the web 270 extend along an entire in a direction perpendicular to the opening direction 180 and perpendicularly the depth of the cartridge 170 measured to the transporting direction 230, so that the cartridge 170 is supported by the shutter 190 over its entire depth.
  • the cartridge bearing projection 125, the front strip recess 280, the stiffening web 290, the support projection 195, the rear strip recess 250, the support surface 196, the support surface 260 and / or the web 270 are also outside the plane of Fig. 1 arranged in front of and / or behind the cartridge 170, in particular the cartridge bottom 174, so that the cartridge 170 is also perpendicular to the cartridge Opening direction 180 and perpendicular to the transport direction 230 is supported by the shutter 190.
  • the cartridge bearing projection 125, the front strip recess 280, the stiffening web 290, the support projection 195, the rear strip recess 250, the support surface 196, the support surface 260 and / or the web 270 extend along a total width of the cartridge 170 measured in the transport direction 230 so that the cartridge 170 is supported by the shutter 190 over its entire width.
  • the cartridge bearing projection 125, the front strip recess 280, the stiffening web 290, the support projection 195, the rear strip recess 250, the support surface 196, the support surface 260 and / or the web 270 are in a plane transverse to the opening direction 180, in particular perpendicular to the opening direction 180 , annular, more preferably circular, circumferentially around the cartridge 170, in particular the cartridge bottom 174 arranged.
  • the cartridge 170 is then supported in particular in the region of the cartridge bottom 174 in all directions perpendicular to the opening direction 180 of the shutter 190.
  • FIG. 2 is a section of a driving device 300 for driving fasteners not shown in a non-illustrated substrate shown in a cross section.
  • the insertion device 300 comprises a cartridge bearing 320 with a receiving chamber 330 for a cartridge 370.
  • the cartridge 370 is accommodated in the receiving chamber 330 and is preferably located on a wall section 335 of a receiving chamber 330 forming recess of the cartridge bearing 320.
  • the wall section 335 has the shape of a funnel or truncated cone to be tapered onto a combustion chamber, not shown, wherein the receiving chamber 330 is open in an opening direction 380.
  • the cartridge 370 has at its opposite the opening direction 380 end facing a cartridge bottom 374 and laterally thereof a particular circumferential projection 372, which is preferably formed by a fold 373 of a cartridge wall 371.
  • the cartridge 370 is part of a cartridge strip and is supported by a carrier strip 410 of the cartridge strip by being received in a cartridge receptacle 420 of the carrier strip 410 formed by a circumferential web 425 such that the cartridge 370 can open in the opening direction 380, if a Fuel in the cartridge 370 is ignited.
  • the cartridge receptacle 420 is open in the opening direction 380 on a combustion chamber (not shown).
  • the cartridge strip is in the longitudinal direction of the carrier strip 410 by a not shown and a perpendicular to the plane oriented transport direction defining strip passage of Driven drive 300.
  • the strip passage opens into the receiving chamber 330, so that the cartridges 370 can be successively placed in the receiving chamber 330 and ignited.
  • the carrier strip 410 is made of a plastic.
  • the cartridge wall 371 is made of an alloy.
  • Cartridge bearing 320 and closure 390 are also made of alloys.
  • the driving device 300 further comprises a shutter 390, which in Fig. 2 is shown in a closed position, which corresponds to a eintrreibren position of the driving device 300.
  • the closure 390 projects into the recess of the cartridge storage 320 forming the receiving chamber 330 and thus delimits the receiving chamber 330 against the opening direction 380.
  • the closure 390 clamps the cartridge 370 and / or the carrier strip 410 between itself and the cartridge store 320 so that the cartridge 370 is chambered in the receiving chamber 330 and opens only in the opening direction 380 when the fuel is ignited.
  • a first of the abutment surfaces 395 is aligned parallel to the opening direction 380, preferably cylindrical, particularly preferably circular-cylindrical, oriented, while a second, in contrast, is preferably aligned flat and perpendicular to the opening direction 380.
  • the cartridge strip with the cartridge 370 and the carrier strip 410 completely fills the receiving chamber 330 so that the cartridge 370 is supported on all sides by the cartridge bearing 320 and the closure 390, except in the opening direction toward the combustion chamber (not shown).
  • this requires insertion of the cartridge strip in the receiving chamber 330 forming recess of the cartridge bearing 320.
  • the carrier strip 410 on its pointing in the direction of opening 380 front an insertion bevel 430, which may also be a material savings causes.
  • the cartridge bearing 320 has a bevel 440 as a mating contour for the insertion bevel 430.
  • the insertion bevel 430 and the chamfer 440 are frusto-conical and extend to the first of the contact surfaces 395 on the outer edge of the receiving chamber 330, and thus also to the edge of the carrier strip 410 and the cartridge strip.
  • the said introduction is also facilitated by a chamfer 399 on the edge of the receiving chamber 330 forming recess of the cartridge bearing 320th
  • the insertion bevel 430 and the bevel 440 a straight contour.
  • the insertion bevel in the corresponding cross section has a curved, for example convex or concave contour.
  • the bevel then advantageously has a correspondingly curved, for example concave or convex contour.
  • a section of a driving device 450 is shown in a cross section, which differs from the in Fig. 2 in particular characterized in that the closure 490 in its closed position does not protrude into the receiving chamber 470 forming recess of the cartridge bearing 460. As a result, the closure 490 rests against the cartridge bearing 460 only on a plane bearing surface 495 aligned perpendicular to the opening direction 480.
  • a carrier strip 500 is shown made of plastic, which forms a cartridge strip together with cartridges, not shown.
  • the carrier strip 500 defines by its elongated shape a transport direction 510. Along the transport direction 510 are formed as apertures and enclosed by a respective annular web 525 cartridge receptacles 520 arranged one behind the other.
  • the cartridge receptacles 520 each contain a cartridge, not shown.
  • the carrier strip 500 has a front side 530, from which the webs 525 protrude in an opening direction. At its edge, the carrier strip 500 has an insertion bevel 540 on its front side.
  • the insertion bevel 540 is arranged on transport projections 550 and extends there to the outermost edge of the carrier strip 500 or of the cartridge strip.
  • the transport projections 550 serve to engage a transport lever of a tacker into which the cartridge strip can be inserted.
  • an insertion bevel 545 is provided at the opposite edge. In embodiments not shown, the opposite edge has no insertion bevel, so that the cartridge strip can be used only in the correct direction in a tacker.
  • a further carrier strip 600 is shown made of plastic, which forms a cartridge strip together with cartridges, not shown.
  • the carrier strip 600 defines by its elongated shape a transport direction 610.
  • cartridge receptacles 620 designed as apertures and surrounded by an annular web 625 are arranged one behind the other.
  • a cartridge not shown, is received in each case.
  • the webs 625 protrude from a front side 630 of the carrier strip 600 in an opening direction.
  • the carrier strip 600 has an insertion bevel 640 on the front side 630.
  • the insertion bevel 640 extends in each case to the outermost edge of the carrier strip 600 or of the cartridge strip.
  • Each cartridge or cartridge receptacle 620 is assigned a strip section of the carrier strip with a partially circular circumference, viewed in the opening direction, and preferably a frustoconical contour.
  • a pressure radially expands in the material of the carrier strip 600. Due to the partially circular chambering of this radial pressure is improved recorded.
  • Each strip section assigned to a cartridge has a transport projection 650 projecting perpendicular to the opening direction over the remaining circular shape of the strip section, which serves to engage a transport lever of a tacker device into which the cartridge strip can be inserted. Due to the asymmetrical shape of the transport projections 650 with respect to the circular shape of the respective strip section, the transport lever of the tacker can slide smoothly over the circular shape of the subsequent strip section in its return movement after the transport of the cartridge strip. Perpendicular to the transport device 610, the transport projections 650 do not project beyond the remaining circular shape of the respective strip section, which allows a narrow strip and saves space.
  • the insertion bevel 640 extends to the transport projections 650. In embodiments not shown, the insertion bevel formed on each strip portion annular, so that it continues between each two cartridge shots.
  • FIG. 8 a cross-section of a carrier strip 1410 of a cartridge strip is shown.
  • a web 1425 extending around an opening direction 1380 forms a cartridge receptacle 1420 of the carrier strip 1410, in which a cartridge, not shown, can be received such that the cartridge can open in the opening direction 1380 when a fuel is ignited in the cartridge.
  • the cartridge receptacle 1420 is open in the opening direction 1380 on a combustion chamber, not shown, of a driving-in device.
  • the cartridge strip is transported in the longitudinal direction of the carrier strip 1410 by a strip passage of the drive-in device which is not shown and defines a direction of transport oriented perpendicular to the plane of the drawing.
  • the carrier strip 1410 is made of a plastic.
  • the carrier strip 1410 has on its front side pointing in the opening direction 1380 an insertion bevel 1430, which under certain circumstances also effects a saving of material.
  • the insertion bevel 1430 is frusto-conical and extends to the edge of the carrier strip 1410 or the cartridge strip.
  • the carrier strip 1410 has, on its front side pointing in the opening direction 1380, a recess 1440 running around the cartridge receptacle 1420 and completely enclosing the cartridge receptacle 1420, which recess is designed as a circular groove, in particular a circular one.
  • the recess 1440 Projected onto a central axis of the cartridge receptacle 1420 extending in the opening direction 1380, the recess 1440, and thus also a cartridge bearing of a driving-in device engaging in the recess 1440, reaches as far as a cartridge bottom of the cartridge, not shown.
  • the cartridge bearing contributes to a support of the cartridge bottom in all directions perpendicular to the opening direction.
  • the cartridge receptacle 1420 has a likewise circumferential recess 1470.
  • a preferably also circumferential projection 1490 extends further in the opening direction 1380 than the recess 1440 and may facilitate a material flow in the circumferential direction during the production of the carrier strip 1410 by means of injection molding, whereas the recess 1440 impedes material flow in the radial direction away from the cartridge bottom during ignition of the cartridge.
  • a carrier strip 1500 made of plastic is partially shown, which forms a cartridge strip together with cartridges, not shown.
  • the carrier strip 1500 defines by its elongated shape a transport direction 1510. Along the transport direction 1510 are formed as openings and enclosed by a respective annular web 1525 cartridge receptacles 1520 arranged one behind the other, wherein the webs 1525 protrude from a pointing in an opening direction 1580 front side of the carrier strip 1500.
  • the opening direction 1580 points obliquely out of the plane of the drawing.
  • the cartridge receptacles 1520 each contain a cartridge, not shown.
  • the carrier strip 1500 has on its front side an insertion bevel 1545.
  • the insertion bevel 1545 is arranged on transport projections 1550 and extends there to the outermost edge of the carrier strip 1500 or of the cartridge strip.
  • the transport projections 1550 serve to engage a transport lever of a tacker into which the cartridge strip can be inserted.
  • an insertion 1540 is provided at the opposite edge. In embodiments not shown, the opposite edge has no insertion, so that the cartridge strip can be used only in the correct orientation in a tacker.
  • the transport lever of the tacker can slide smoothly over the circular shape of the subsequent strip portion in its return movement after the transport of the cartridge strip.
  • the transport projections 1550 do not protrude beyond the remaining circular shape of the respective strip section, which allows a narrow strip and saves space.
  • the insertion bevel is annular at each strip portion, so that it continues between each two cartridge shots.
  • Each cartridge or cartridge receptacle 1520 is assigned a strip section of the carrier strip with a partially circular circumference, viewed in the opening direction, and preferably a frustoconical contour.
  • a receiving chamber of a not shown in which the cartridge strip is inserted has at the level of the chamfer and / or at the level of its limitation by a closure of the tacker a partially circular circumference, so that the cartridges are completely chambered in a closed position of the closure in the receiving chamber.
  • a pressure radially expands in the material of the carrier strip 1500. Due to the partially circular chambering of this radial pressure is improved recorded.
  • the carrier strip 1500 has, on its front side pointing in the opening direction 1580, around the cartridge receptacles 1520, in each case recesses 1560, 1565 respectively running around and completely enclosing the cartridge receptacles 1520, which recesses are each in the form of circular annular grooves.
  • a likewise circumferential projection 1590 forms a separating web 1600, which two mutually adjacent recesses 1560, 1565 separated from each other.
  • the present invention has been illustrated by the example of a fastener driving-in device. It should be noted, however, that the device according to the invention is also suitable for other applications. In addition, the described features of the individual embodiments can also be combined arbitrarily within a single embodiment, as far as they are not mutually exclusive.

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • Mechanical Engineering (AREA)
  • Portable Nailing Machines And Staplers (AREA)
  • Feeding And Controlling Fuel (AREA)
EP16750399.4A 2015-07-31 2016-07-20 Eintreibvorrichtung, kartuschenstreifen und befestigungssystem Active EP3328590B1 (de)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
EP15179306.4A EP3124181A1 (de) 2015-07-31 2015-07-31 Eintreibvorrichtung, kartuschenstreifen und befestigungssystem
EP15202247.1A EP3184258A1 (de) 2015-12-23 2015-12-23 Kartuschenstreifen und befestigungssystem
PCT/EP2016/067317 WO2017021157A1 (de) 2015-07-31 2016-07-20 Eintreibvorrichtung, kartuschenstreifen und befestigungssystem

Publications (2)

Publication Number Publication Date
EP3328590A1 EP3328590A1 (de) 2018-06-06
EP3328590B1 true EP3328590B1 (de) 2019-07-03

Family

ID=56682084

Family Applications (1)

Application Number Title Priority Date Filing Date
EP16750399.4A Active EP3328590B1 (de) 2015-07-31 2016-07-20 Eintreibvorrichtung, kartuschenstreifen und befestigungssystem

Country Status (14)

Country Link
US (1) US20180193991A1 (zh)
EP (1) EP3328590B1 (zh)
KR (1) KR102339202B1 (zh)
CN (1) CN107921615B (zh)
AU (1) AU2016303231B2 (zh)
BR (1) BR112017026165B1 (zh)
CA (1) CA2992818C (zh)
ES (1) ES2741205T3 (zh)
MX (1) MX2018001232A (zh)
RU (1) RU2703769C2 (zh)
SA (1) SA518390820B1 (zh)
TW (2) TWI765976B (zh)
WO (1) WO2017021157A1 (zh)
ZA (1) ZA201801332B (zh)

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IL37172A (en) * 1970-07-18 1975-06-25 Dynamit Nobel Ag Propellant powder bodies with primer of limited impact-sensitivity
US4560061A (en) * 1983-09-13 1985-12-24 Pneutek, Inc. Powder charge feed strip
DE4124490A1 (de) * 1991-07-24 1993-01-28 Dynamit Nobel Ag Kartusche aus kunststoff und kartuschen-bandmagazin aus kunststoff
DE4301967A1 (de) * 1993-01-26 1994-07-28 Dynamit Nobel Ag Kartusche aus Kunststoff für ein Schußgerät, insbesondere ein Bolzensetzgerät
US6062455A (en) * 1998-08-06 2000-05-16 Anthony C. Giannuzzi Cartridge strip magazine for powder-actuated fastener setting tool
DE19859320A1 (de) * 1998-12-22 2000-06-29 Hilti Ag Kartuschenmagazin
DE19958571A1 (de) * 1999-12-04 2001-06-07 Hilti Ag Kartusche für Setzgeräte
US6981630B2 (en) * 2000-10-12 2006-01-03 Illinois Tool Works Inc. Cartridge strip advancing mechanism for fastener driving tool
AU2002951658A0 (en) * 2002-09-25 2002-10-10 Cetram Pty Ltd Explosively actuated tools
DE10360371A1 (de) * 2003-12-22 2005-07-28 Hilti Ag Brennkraftbetriebenes Setzgerät
DE102006000241A1 (de) * 2006-05-23 2007-11-29 Hilti Ag Kartuschenmagazin
DE102006000304A1 (de) * 2006-06-20 2008-01-10 Hilti Ag Kartuschenmagazin

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
None *

Also Published As

Publication number Publication date
CN107921615B (zh) 2022-01-14
CA2992818A1 (en) 2017-02-09
TW201819124A (zh) 2018-06-01
US20180193991A1 (en) 2018-07-12
SA518390820B1 (ar) 2021-05-24
TWI765976B (zh) 2022-06-01
CA2992818C (en) 2022-12-06
ES2741205T3 (es) 2020-02-10
EP3328590A1 (de) 2018-06-06
WO2017021157A1 (de) 2017-02-09
BR112017026165A2 (pt) 2018-08-14
NZ739123A (en) 2020-10-30
AU2016303231A1 (en) 2018-02-08
RU2018107239A3 (zh) 2019-08-28
AU2016303231B2 (en) 2020-11-05
KR102339202B1 (ko) 2021-12-14
BR112017026165B1 (pt) 2021-10-19
CN107921615A (zh) 2018-04-17
MX2018001232A (es) 2018-04-24
TW201711810A (zh) 2017-04-01
RU2018107239A (ru) 2019-08-28
KR20180035823A (ko) 2018-04-06
ZA201801332B (en) 2019-08-28
RU2703769C2 (ru) 2019-10-22

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