EP3393715A1 - Appareil de pose actionné par combustion interne et procédé pour faire fonctionner un appareil de pose de ce type - Google Patents

Appareil de pose actionné par combustion interne et procédé pour faire fonctionner un appareil de pose de ce type

Info

Publication number
EP3393715A1
EP3393715A1 EP16819900.8A EP16819900A EP3393715A1 EP 3393715 A1 EP3393715 A1 EP 3393715A1 EP 16819900 A EP16819900 A EP 16819900A EP 3393715 A1 EP3393715 A1 EP 3393715A1
Authority
EP
European Patent Office
Prior art keywords
combustion chamber
main combustion
control
setting
pressure
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.)
Withdrawn
Application number
EP16819900.8A
Other languages
German (de)
English (en)
Inventor
Iwan Wolf
Dominik Schmidt
Tilo Dittrich
Peter Bruggmueller
Norbert Heeb
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
Application filed by Hilti AG filed Critical Hilti AG
Publication of EP3393715A1 publication Critical patent/EP3393715A1/fr
Withdrawn legal-status Critical Current

Links

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
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/10—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder
    • F02B19/1019—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber
    • F02B19/1023—Engines characterised by precombustion chambers with fuel introduced partly into pre-combustion chamber, and partly into cylinder with only one pre-combustion chamber pre-combustion chamber and cylinder being fed with fuel-air mixture(s)
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B19/00—Engines characterised by precombustion chambers
    • F02B19/16—Chamber shapes or constructions not specific to sub-groups F02B19/02 - F02B19/10
    • F02B19/18—Transfer passages between chamber and cylinder
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F02—COMBUSTION ENGINES; HOT-GAS OR COMBUSTION-PRODUCT ENGINE PLANTS
    • F02B—INTERNAL-COMBUSTION PISTON ENGINES; COMBUSTION ENGINES IN GENERAL
    • F02B63/00—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices
    • F02B63/02—Adaptations of engines for driving pumps, hand-held tools or electric generators; Portable combinations of engines with engine-driven devices for hand-held tools

Definitions

  • the invention relates to a combustion-powered setting tool for driving fasteners into a substrate, with at least one main combustion chamber for a fuel, with a driving piston, which is drivable by exandierbare gases from the main combustion chamber in the setting direction, and with an antechamber, which is associated with an ignition and in in front of the ignition of a fuel-air mixture in the main combustion chamber, a pressure acting on the main combustion chamber pressure is buildable, wherein the prechamber via at least one passage opening which is closable by a control device, connected to an environment of the prechamber or is connectable.
  • the invention further relates to a method for operating such a combustion-powered setting tool.
  • Prior art German Offenlegungsschrift DE 10 32 035 A1 discloses a combustion-powered setting tool for driving fastening elements into a substrate, having at least one main combustion chamber for a fuel, with a driving piston mounted in a piston guide and expanding gases from the main combustion chamber in the setting direction can be driven, and with an antechamber in which a pressure acting on the main combustion chamber pressure is buildable before the ignition of a fuel-air mixture in the main combustion chamber, wherein the pre-chamber of one of the main combustion chamber facing away from the underside of the drive piston located in its initial position space is formed within the piston guide, and wherein the pre-chamber via a passage with the main combustion chamber at least temporarily in communication, wherein in the main combustion chamber, a means for detecting the pressure is provided, which cooperates with the ignition device for the main combustion chamber.
  • the object of the invention is the effectiveness and / or functionality when driving in fasteners with a combustion-driven setting tool, with at least one main combustion chamber for a fuel, with a driving piston which is drivable via exandable gases from the main combustion chamber in the setting direction, and with an antechamber, which is associated with an ignition device and in the prior to the ignition of a fuel-air mixture in the main combustion chamber, a pressure acting on the main combustion chamber pressure is buildable, the prechamber via at least one passage opening, which is closed by a control device with a Environment of the antechamber connected or connectable is to improve.
  • the object is in a combustion-powered setting tool for driving fasteners into a substrate, with at least one main combustion chamber for a fuel, with a driving piston, which is driven by exandierbare gases from the main combustion chamber in the setting direction, and with an antechamber, which is associated with an ignition and in which prior to the ignition of a fuel-air mixture in the main combustion chamber, a pressure acting on the main combustion chamber pressure is buildable, the prechamber via at least one passage opening which is closed by a control device, connected to an environment of the pre-chamber or connected, thereby achieved in that the control device is connected in terms of pressure with the main combustion chamber. Due to the control pressure connection, the control device is actuated during operation of the setting device with the main combustion chamber pressure. When the pressure in the main combustion chamber reaches a certain pressure level, then the at least one passage opening of the antechamber is automatically opened.
  • the pilot pressure connection can be realized in various ways.
  • a preferred embodiment of the combustion-powered setting tool is characterized in that the control device has at least one control pressure surface, which is acted upon by the main combustion chamber pressure. This provides the advantage that no additional sensor means is needed to detect the main combustion chamber pressure.
  • the main combustion chamber pressure acting on the control pressure surface for example via a suitable mechanical coupling, can be used directly to control or effect the opening or releasing and closing of the passage opening of the prechamber.
  • the control pressure surface of the control device is mechanically coupled to a control sleeve.
  • the control sleeve has, for example, substantially the shape of a straight circular cylinder jacket, which relative to a housing or a cylinder which delimits the antechamber, between an open position in which the passage opening of the antechamber is released or opened, and a closed position, in which the passage opening of the pre-chamber is released, is movable.
  • a further preferred embodiment of the combustion-powered setting tool is characterized in that the control sleeve is designed and movable relative to the passage opening of the antechamber, that the passage opening of the pre-chamber is released or closed in dependence on the main combustion chamber pressure of the control sleeve.
  • the movement of the control sleeve is advantageously controlled by the main combustion chamber pressure, which acts on the control pressure surface.
  • the movement of the control sleeve between the open position and the closed position is made possible, for example, by a guide of the control sleeve on the housing or the cylinder which delimits the antechamber.
  • a further preferred embodiment of the combustion-powered setting tool is characterized in that the control pressure surface is mechanically coupled to the control sleeve via a coupling element.
  • the coupling element is, for example, a kind of slider.
  • At one of the main combustion chamber facing the end of the slide is advantageously formed the control pressure surface.
  • At one end of the slide remote from the main combustion chamber the slide is advantageously coupled to the control sleeve.
  • the slider is advantageously used to transmit a pressure force generated by acting on the control pressure surface main combustion chamber pressure on the control sleeve.
  • control pressure surface via at least one spring device is supported on a housing-fixed stop.
  • the housing-fixed stopper is mounted, for example, in the housing or the cylinder which limits the antechamber.
  • the control pressure surface in particular together with the control sleeve, biased in a closed position, in which the passage opening of the antechamber is closed by the control sleeve.
  • control pressure surface is designed as an annular surface and is arranged radially outside a piston guide space.
  • the driving piston is guided to and fro movable.
  • the driving piston can be guided directly in the piston guide chamber.
  • the piston guide chamber coincides with the prechamber.
  • a further preferred embodiment of the combustion-powered setting tool is characterized in that the main combustion chamber is associated with a further ignition device.
  • the setting device described above can be operated with only one ignition device, which is assigned to the antechamber. After ignition in the prechamber, reaction gases from the prechamber spread into the main combustion chamber with a progressing flame front. About the propagating into the main combustion chamber flame front then takes place in the main combustion chamber, the ignition of a precompressed air-fuel mixture contained there. The ignition of the fuel-air mixture in the main combustion chamber can also take place via the further ignition device in the main combustion chamber.
  • the above-mentioned object is alternatively or additionally achieved in that the control of the passage opening of the antechamber is effected by the main combustion chamber pressure.
  • This can be realized in a simple manner, a combustion-powered or gas-powered setting tool, which has a much higher energy density.
  • the control of a venting of the pre-chamber can be realized particularly easily. In this case, an undesirable wear during operation of the setting device can be reduced particularly advantageous.
  • by controlling the passage opening of the antechamber through the Main combustion chamber pressure a significantly increased life of the setting device can be ensured.
  • the invention further relates to a control device, in particular a control sleeve and / or a coupling element, for a previously described setting tool.
  • a control device in particular a control sleeve and / or a coupling element, for a previously described setting tool.
  • the parts mentioned may be traded separately.
  • Figure 1 is a simplified representation of a combustion-powered setting tool with a
  • FIG. 2 shows the setting device from FIG. 1 shortly after ignition in a main combustion chamber
  • FIG. 5 shows the setting device from FIGS. 1 to 4 with the drive piston at bottom dead center with a closed control sleeve
  • FIG. 6 shows the setting tool of Figure 1 according to another embodiment with a further ignition device, which is associated with the main combustion chamber and
  • Figure 7 partly a combustion-powered setting tool with a control device after ignition in a prechamber in longitudinal section.
  • a setting device 1 is shown greatly simplified in a longitudinal section in different operating states.
  • the setting device 1 shown in FIGS. 1 to 5 can be operated with a fuel gas or with a vaporizable liquid fuel.
  • the setting device 1 comprises a housing 3 with a master cylinder 5, the a main combustion chamber 6 limited.
  • the main combustion chamber 6 can be supplied via an inlet device 8 gas and / or air.
  • a driving piston 10 is reciprocally movable in the figures 1 to 5 down and out.
  • the driving piston 10 comprises a piston rod 1 1, which starts from a piston head 12.
  • a facing away from the piston head 12 setting end 14 of the piston rod 1 1 is arranged in a (not shown) bolt guide, which serves to guide fasteners, which are also referred to as bolts.
  • the setting end 14 of the piston rod 1 1 of the driving piston 10 is shown cut off.
  • the bolt guide with the piston rod 1 1 arranged therein of the driving piston 10 is also referred to as a network.
  • a fastener such as a nail, bolts or the like, are driven into a (not shown) underground.
  • the setting tool 1 Before setting a fastener, the setting tool 1 is pressed with his pin guide to the ground and triggered.
  • a switch (not shown) is used, which is also called a trigger switch.
  • the switch is provided, for example, on a (also not shown) handle of the setting device 1.
  • a setting direction is indicated in Figures 1 to 5.
  • the driving piston 10 is moved from its starting position shown in FIG. 1, which corresponds to a top dead center, into an end position, which is shown for example in FIG. 4 and corresponds to a bottom dead center.
  • a movement of the driving piston 10 in Figures 1 to 5 upwards is limited by a housing-fixed piston stop 16.
  • the piston stop 16 may be combined with a magnetic device 17.
  • the magnetic device 17 serves, for example, to hold the driving piston 10 with a predetermined holding force in its initial position shown in Figure 1.
  • a movement of the driving piston 10 down is limited by stop and / or damping elements 28, 29.
  • the stop and / or damping elements 28 are designed, for example, as a buffer.
  • the piston head 12 comprises a first piston surface 21, which faces the main combustion chamber 6.
  • a second piston surface 22, which faces away from the main combustion chamber 6, delimits an antechamber 25 in a prechamber cylinder 24.
  • the prechamber cylinder 24 is part of the housing 3 of the setting device 1 or rigidly connected to the housing 3.
  • the prechamber 25 represents a pre-combustion chamber to which an ignition device 26 and an inlet device 27 are assigned.
  • the stop and / or damping elements 28, 29 are arranged in the antechamber 25.
  • a fuel gas-air mixture is supplied, which is ignited by means of the ignition device 26 in the prechamber 25, as indicated in Figure 1 by a symbol 60.
  • the pre-chamber cylinder 24 comprises two passage openings 31, 32, which allow, for example, the exit of exhaust gases from the pre-chamber 25.
  • the passage openings 31, 32 can be closed by a control device 30 as needed.
  • the control device 30 comprises a control sleeve 34, which has two passage openings 37, 38. If the passage openings 37, 38 of the control sleeve 34 are brought into coincidence with the passage openings 31, 32, then the passage openings 31, 32, as can be seen in FIGS. 2, 3, 4, are opened. In FIGS. 1 and 5, the passage openings 31, 32 are closed by the control sleeve 34.
  • the control sleeve 34 has essentially the shape of a straight circular cylinder jacket and is movable in FIGS. 1 to 5 downwards and upwards.
  • the overflow openings 41, 42 are each assigned a valve device 43, 44.
  • the valve devices 43, 44 are, for example, valve flaps which are opened in FIG. 1 in order to allow passage of the ignited air-fuel mixture from the prechamber 25 into the main combustion chamber 6. In FIGS. 2 to 5, the valve devices 43, 44 are closed.
  • the control device 30 comprises a control pressure surface 45, which is connected in terms of pressure with the main combustion chamber 6.
  • the control pressure surface 45 is designed as an annular surface 46, which faces radially outside of the prechamber cylinder 24 of the main combustion chamber 6.
  • the control pressure surface 45 is mechanically connected via a coupling element 48 the control sleeve 34 is coupled.
  • the coupling element 48 is designed as a slide 50, which is guided in the figures 1 to 5 down and up and forth to the antechamber cylinder 24 movable.
  • the designed as an annular surface 46 control pressure surface 45 is provided at one in the figures 1 to 5 lower end 52 of the slider 50.
  • the control sleeve 34 is fixed.
  • the control device 30 further comprises spring devices 54, 55, which are designed, for example, as helical compression springs.
  • the lower ends of the spring devices 54, 55 in FIGS. 1 to 5 are each assigned a housing-fixed stop 56, 57.
  • the housing-fixed stops 56, 57 are provided on the prechamber cylinder 24.
  • the spring devices 54, 55 are clamped between the housing-fixed stops 56, 57 and the upper end 51 of the slider 50 with the control pressure surface 45.
  • the slider 50 via the spring means 54, 55 supported on the housing-fixed stops 56, 57.
  • the setting tool 1 is shown shortly after the ignition 60 in the pre-chamber 25.
  • the arrows 61, 62 indicate that the ignited mixture passes through the open valve devices 43, 44 through the overflow openings 41, 42 into the main combustion chamber 6.
  • the passage openings 31, 32 of the prechamber 25 are closed by the control sleeve 34.
  • the setting tool 1 is shown shortly after the ignition in the main combustion chamber 6.
  • the ignition in the main combustion chamber 6 is indicated by a symbol 65.
  • the ignition 65 in the main combustion chamber 6 is triggered for example via a (not shown) flame front from the pre-chamber 25. Due to the increased pressure in the main combustion chamber 6, the valve devices 43, 44 close.
  • the control device 30 opens the passage openings 31, 32 so that exhaust gas can escape from the pre-chamber 25.
  • the release of the passage openings 31, 32 of the pre-chamber 25 through the control sleeve 34 is triggered by the increased pressure in the main combustion chamber 6, which acts on the control pressure surface 45 and is transmitted via the slider 50 to the control sleeve 34.
  • the control sleeve 34 in Figure 2 down the Passage openings 37, 38 of the control sleeve 34 with the passage openings 31, 32 brought in the antechamber cylinder 24 to cover.
  • the setting tool 1 is shown shortly after the ignition 65 in the main combustion chamber 6.
  • the main combustion chamber 6 is shortened referred to as the main chamber 6.
  • Arrows 66 and 67 indicate in FIG. 3 that the increased pressure in or out of the main combustion chamber 6 acts on the first piston surface 21 of the drive piston 10 facing the main combustion chamber 6, as a result of which it is moved downward in the setting direction 15 in FIG.
  • arrows 68 and 69 is indicated that during the movement of the driving piston 10 in the setting direction 15 down exhaust from the antechamber 25 through the opened passage openings 31, 32 exits.
  • the driving piston 10 is shown in its bottom dead center.
  • the piston head 12 of the drive piston 10 comes to rest against the stop and / or damping elements 28, 29.
  • the opened passage openings 31, 32 of the prechamber 25 is arranged.
  • Arrows 71, 72 indicate that exhaust gases or hot gases escape from the main combustion chamber 6 via the opened passage openings 31, 32.
  • FIG. 6 shows a similar combustion-powered setting tool 74 as in FIGS. 1 to 5.
  • the setting device 74 differs from the setting device 1 shown in FIGS. 1 to 5, which additionally has a valve device 75 and a further ignition device 76 associated with the main combustion chamber 6.
  • the valve device 75 makes it possible to vent the main combustion chamber 6, for example for flushing purposes.
  • a gas mixture in the Main combustion chamber 6 are ignited regardless of whether an ignition in the antechamber 25 has already taken place.
  • further operating modes of the setting device 74 are made possible. Otherwise, the setting device 74 does not differ in Figure 6 from the setting device 1 shown in Figures 1 to 5.
  • a setting device 101 is shown as a further embodiment partially, which is operated with a fuel gas or with a vaporizable liquid fuel.
  • the setting device 101 comprises a master cylinder 105, which is rigidly connected to various elements, which are shown with the same hatching as the master cylinder 105.
  • a driving piston 1 10 in a setting direction 1 15 reciprocally movable downwards and forwards led upstairs.
  • the drive piston 1 10 includes a piston rod 1 1 1, which starts from a piston head 1 12.
  • a movement of the drive piston 1 10 down is attenuated by a buffer 128.
  • a piston stop 1 16 for limiting the travel of the driving piston 1 10 upwards has a magnetic device 1 17, which holds the driving piston 1 10 with a predetermined holding force in its initial position shown in Figure 7.
  • a main combustion chamber 106 is essentially limited by the piston head 1 12 (in the setting direction 15), a rear wall plate 170 (counter to the setting direction 15) and by a combustion chamber sleeve 180 (transverse to the setting direction 15).
  • the main combustion chamber 106 can be flushed by moving the combustion chamber sleeve 180 relative to the master cylinder 105 and the rear wall plate 170 in the setting direction 15 with fresh air.
  • FIG. 7 shows a closed position of the combustion-chamber sleeve 180, in which the annular flushing openings are closed and sealed by means of sealing rings 171, 172.
  • a fan 173 driven by a fan motor 174 serves for fresh air purging as well as turbulence or turbulence generation within the main combustion chamber 106.
  • An antechamber 125 is essentially limited by the piston head 1 12 (counter to the setting direction 15), an end wall, not shown, of the main cylinder 105 (in the setting direction 15) and by the master cylinder 105 (transverse to the setting direction 15).
  • the pre-chamber 125 represents a pre-combustion chamber, which is associated with an ignition device, not shown, and also not shown inlet device for fuel.
  • the buffer is disposed in the prechamber 125.
  • the master cylinder 105 comprises two passage openings 131, 132, which allow, for example, the exit of exhaust gases from the antechamber 125.
  • the passage openings 131, 132 can be closed by a control device 130 as needed.
  • the control device 130 comprises a control sleeve 134 which has two passage openings 137, 138. When the passage openings 137, 138 of the control sleeve 134 are brought into register with the passage openings 131, 132, the passage openings 131, 132 are opened. In FIG. 7, the passage openings 131, 132 are closed by the control sleeve 134.
  • the control sleeve 134 has substantially the shape of a straight circular cylinder jacket and is movable in Figure 7 downwards and upwards.
  • valve means overflow openings are provided between the pre-chamber 125 and the main combustion chamber 106.
  • the control device 130 comprises a control pressure surface 145, which is pressure-controlled connected to the main combustion chamber 106.
  • the control pressure surface 145 is designed as an annular surface, which faces within the master cylinder 105 by means of one or more bores 175 in the master cylinder 105 of the main combustion chamber 106 and is exposed to an overpressure in the main combustion chamber 106.
  • the control pressure surface 145 is coupled mechanically via coupling element 148, in particular rigidly with the control sleeve 134.
  • the control pressure surface 145 and the bores 175 are arranged radially inside the combustion chamber sleeve and in particular of the sealing ring 171.
  • the control device 30 further comprises, not shown, spring means for biasing the control sleeve 134 and the control pressure surface 145 in the respective position shown in Figure 7.
  • the mode of operation of the control device 130 essentially corresponds to the mode of operation of the control device 30 of the first exemplary embodiment (FIGS. 1 to 5).

Abstract

L'invention concerne un appareil de pose (1) actionné par combustion interne servant à enfoncer des éléments de fixation dans un support, comprenant au moins une chambre de combustion principale (6) pour un carburant, comprenant un piston propulseur (10) qui peut être entraîné dans le sens de pose (15) à partir de la chambre de combustion principale (6) par le biais de gaz expansibles, et comprenant une pré-chambre (25) à laquelle un dispositif d'allumage (26) est associé et dans laquelle, avant l'allumage d'un mélange air-carburant dans la chambre de combution principale (6), une pression agissant sur la chambre de combustion principale (6) peut être établie, la pré-chambre (25) étant ou pouvant être reliée, par le biais d'au moins une ouverture de passage (31, 32) qui peut être fermée par un dispositif de commande (30), à un environnement de la pré-chambre (25). Afin d'améliorer l'efficacité et/ou la fonctionnalité lors de l'enfoncement d'éléments de fixation, le dispositif de commande (30) est relié à la chambre de combustion principale (6) par une pression de commande.
EP16819900.8A 2015-12-22 2016-12-20 Appareil de pose actionné par combustion interne et procédé pour faire fonctionner un appareil de pose de ce type Withdrawn EP3393715A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
EP15201867.7A EP3184247A1 (fr) 2015-12-22 2015-12-22 Outil de scellement a moteur thermique et procede de fonctionnement d'un outil de scellement
PCT/EP2016/081902 WO2017108777A1 (fr) 2015-12-22 2016-12-20 Appareil de pose actionné par combustion interne et procédé pour faire fonctionner un appareil de pose de ce type

Publications (1)

Publication Number Publication Date
EP3393715A1 true EP3393715A1 (fr) 2018-10-31

Family

ID=54936904

Family Applications (2)

Application Number Title Priority Date Filing Date
EP15201867.7A Withdrawn EP3184247A1 (fr) 2015-12-22 2015-12-22 Outil de scellement a moteur thermique et procede de fonctionnement d'un outil de scellement
EP16819900.8A Withdrawn EP3393715A1 (fr) 2015-12-22 2016-12-20 Appareil de pose actionné par combustion interne et procédé pour faire fonctionner un appareil de pose de ce type

Family Applications Before (1)

Application Number Title Priority Date Filing Date
EP15201867.7A Withdrawn EP3184247A1 (fr) 2015-12-22 2015-12-22 Outil de scellement a moteur thermique et procede de fonctionnement d'un outil de scellement

Country Status (6)

Country Link
US (1) US20200276692A1 (fr)
EP (2) EP3184247A1 (fr)
JP (1) JP2018538156A (fr)
CN (1) CN108472797A (fr)
TW (1) TWI628055B (fr)
WO (1) WO2017108777A1 (fr)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP3184251A1 (fr) 2015-12-22 2017-06-28 HILTI Aktiengesellschaft Outil de scellement a moteur thermique et procede de fonctionnement d'un outil de scellement
EP3184248A1 (fr) 2015-12-22 2017-06-28 HILTI Aktiengesellschaft Outil de scellement a moteur thermique et procede de fonctionnement d'un outil de scellement
US10940579B2 (en) 2018-01-19 2021-03-09 Max Co., Ltd. Driving tool

Family Cites Families (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1032035B (de) 1956-07-24 1958-06-12 Heinrich Christiansen Spaltloser Ring und Verfahren zu seiner Herstellung
TW473581B (en) * 1999-02-24 2002-01-21 Japan Geotechnical Engineering Co-driven stay anchor
DE10232035B4 (de) * 2002-07-16 2021-10-14 Hilti Aktiengesellschaft Brennkraftbetriebenes Setzgerät
EP1459850B1 (fr) * 2003-03-19 2008-05-21 Hitachi Koki Co., Ltd. Outil entraîné par gaz de combustion avec dispositif pour éviter la surchauffe des composants mécaniques dans l'outil
JP4144472B2 (ja) * 2003-08-11 2008-09-03 日立工機株式会社 燃焼式動力工具
JP4353110B2 (ja) * 2004-04-19 2009-10-28 日立工機株式会社 燃焼式釘打機
JP4935978B2 (ja) * 2006-08-09 2012-05-23 マックス株式会社 ガス燃焼式打込み工具における燃焼室のバルブ装置
JP2008062309A (ja) * 2006-09-05 2008-03-21 Hitachi Koki Co Ltd 燃焼式動力工具
US8205582B2 (en) * 2007-03-26 2012-06-26 Illinois Tool Works Inc. Exhaust check valve and piston return system
US8087394B2 (en) * 2007-07-25 2012-01-03 Illinois Tool Works Inc. Dual-level combustion chamber system, for fastener driving tool, having dual-level rotary valve mechanism incorporated therein
TWI378015B (en) * 2009-01-14 2012-12-01 Basso Ind Corp Structure of combustion-type power tool
US8042718B2 (en) * 2009-09-03 2011-10-25 Illinois Tool Works Inc. Fuel cell actuation mechanism for combustion-powered tool

Also Published As

Publication number Publication date
TW201722644A (zh) 2017-07-01
WO2017108777A1 (fr) 2017-06-29
CN108472797A (zh) 2018-08-31
EP3184247A1 (fr) 2017-06-28
JP2018538156A (ja) 2018-12-27
TWI628055B (zh) 2018-07-01
US20200276692A1 (en) 2020-09-03

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