EP1882525A2 - Pistolet à calfeutrer - Google Patents

Pistolet à calfeutrer Download PDF

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Publication number
EP1882525A2
EP1882525A2 EP07252739A EP07252739A EP1882525A2 EP 1882525 A2 EP1882525 A2 EP 1882525A2 EP 07252739 A EP07252739 A EP 07252739A EP 07252739 A EP07252739 A EP 07252739A EP 1882525 A2 EP1882525 A2 EP 1882525A2
Authority
EP
European Patent Office
Prior art keywords
piston rod
rotary motor
driving lever
cam
housing
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Withdrawn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
EP07252739A
Other languages
German (de)
English (en)
Other versions
EP1882525A3 (fr
Inventor
Jiada c/o Positec Power Tools Wang (Suzhou) Co Ltd
Wenlai c/o Positec Power Tools Gu (Suzhou) Co Ltd
Qiang c/o Positec Power Tools Lu (Suzhou) Co Ltd
Gianni Borinato
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.)
Positec Power Tools Suzhou Co Ltd
Original Assignee
Positec Power Tools Suzhou Co Ltd
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 Positec Power Tools Suzhou Co Ltd filed Critical Positec Power Tools Suzhou Co Ltd
Publication of EP1882525A2 publication Critical patent/EP1882525A2/fr
Publication of EP1882525A3 publication Critical patent/EP1882525A3/fr
Withdrawn legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/005—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes
    • B05C17/01—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like
    • B05C17/0103—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces for discharging material from a reservoir or container located in or on the hand tool through an outlet orifice by pressure without using surface contacting members like pads or brushes with manually mechanically or electrically actuated piston or the like with electrically actuated piston or the like

Definitions

  • the invention relates to an apparatus (eg a caulking gun) for dispensing caulking material, more particularly relates to a caulking gun which has a manual control mode and an automatic control mode.
  • caulking guns are designed primarily for dispensing caulking material packaged in a cylindrical container or cartridge.
  • the cartridge has a dispensing nozzle at one end from which caulking material can be forcibly discharged during a caulking operation.
  • the caulking material is dispensed from the dispensing nozzle by advancing a movable wall disposed within the cartridge towards the nozzle end.
  • a hsuad-held caulking gun uses a piston type member (eg a piston) driven by a shaft to push the movable wall (as for example disclosed in US-A-6119903 and US-A-4264421 ).
  • the piston member and the shaft may be driven manually but this often causes hand fatigue and therefore limits the efficiency of the caulking operation.
  • variations in the level of hand strength and gripping capability may mean that the operator applies an inconsistent force which creates a non-uniform (intermittent) flow of caulking material.
  • Conventional electric caulking guns use a rotary motor (such as a DC motor) in combination with a piston and a shaft configured to apply force to the movable wall when a user activates the rotary motor.
  • Electric caulking guns are configured with a transmission linkage that converts motor rotational to linear piston motion. Certain transmission linkages are designed to provide torque reduction to the rotary motor so that motor size and therefore electrical energy consumption may be reduced. Unfortunately such conventional transmission linkages are typically complex and reduce power transmission between the rotary motor rotation and the piston.
  • One type of transmission linkage is a screw-type linkage in which a piston is rotatably coupled to a long screw at one end and to the rotary motor at the other end. While the screw provides a uniform caulking force when rotated, it requires a large motor as little (if any) torque reduction may be derived. Conventional gears are often used to provide torque reduction. Unfortunately, gears add complexity and reduce power transmission between the rotary motor and piston. Moreover, a screw-type linkage and gears increase the complexity of the part of the apparatus dedicated to accommodating the retraction of the piston for cartridge replacement.
  • a transmission mechanism disclosed in US4615469 comprises a gear and a piston rod with a sawtooth portion.
  • a transmission mechanism disclosed in US7063240 comprises two cams to advance a piston. Unfortunately, this device has too many parts. It is expensive and complex to make and has a large volume and weight.
  • the present invention seeks to improve the efficiency of a caulking gun by providing manual and automatic control.
  • the present invention provides an apparatus for dispensing caulking material from a cartridge comprising:
  • the present invention advantageously constitutes a simple inexpensive arrangement of small volume and weight that is versatile in dispensing caulking material intermittently (eg in manual mode) or consistently stepwise (eg in automatic mode).
  • the mechanical trigger mechanism comprises:
  • the transmission mechanism may comprise a cam, gear or rack coupled to or mounted on the rotary mounting shaft.
  • the transmission mechanism comprises:
  • the one or more levers are a single lever.
  • the axis of the cam may be substantially parallel to the axis of the housing.
  • the axis of the cam may be substantially parallel to the axis of the piston rod.
  • the retrograde surface is arranged substantially parallel with respect to the axis of the rotary motor shaft.
  • the anterograde surface may be a lifting surface.
  • the transmission mechanism further comprises:
  • the retrograde surface is substantially parallel to the axis of the rotary motor shaft.
  • the retrograde surface is a steep step (eg substantially parallel to the axis of the rotary motor shaft) or a progressively descendant step (eg divergent from the axis of the rotary motor shaft).
  • a first driving lever and a second driving lever are in slidable engagement with the piston rod and the uneven distal radial cam surface engages the first and second driving lever.
  • the first and second driving lever may be disposed above, below, to the right or to the left of the active rod
  • first and second driving levers engage the cam at a first and second contact point respectively.
  • the phase difference between the first and second contact point may be in the range 120 to 240 degrees.
  • first and second contact points are separated by about 210 degrees with respect to the axis of the rotary motor shaft.
  • the first and second driving levers include a wheel which engages the uneven distal radial cam surface of the cam.
  • a first and second handspike are disposed between the cam and the first and second driving lever,
  • the first and second handspikes may be mounted in a guide portion of the housing.
  • the transmission mechanism comprises:
  • the housing comprises:
  • the second housing is coupled to the first housing in at least two positions whereby the transmission mechanism drives the driving lever in different paths.
  • the first housing and second housing may be attached by insertion or using clips.
  • the step drive member comprises a reciprocative member eccentrically coupled to or mounted on the gear, wherein the reciprocative member engages the driving lever.
  • the axis of the reciprocative member may be substantially parallel to the axis of the housing.
  • the axis of the reciprocative member may be substantially parallel to the axis of the piston rod.
  • the reciprocative member is a reciprocating rod with a slot, wherein a pin is eccentrically disposed on the gear and a first end of the pin is positioned in the slot.
  • the step drive member comprises a cam fixed to the gear, wherein the cam engages the driving lever.
  • the axis of the cam may be substantially perpendicular to the axis of the housing.
  • the axis of the cam may be substantially perpendicular to the axis of the piston rod.
  • the step drive member comprises a sectorial gear coupled to or mounted on the gear and a rack coupled to or mounted on the sectorial gear, wherein the rack engages the driving lever.
  • the lever has an aperture for receiving the piston rod.
  • the piston rod and aperture are complementarily shaped and may be circular, square or hexagonal.
  • the housing further comprises:
  • the driving lever is positioned between an adjacent two of the at least two side walls and a restoring member couples a distal face of the driving lever and a proximal face of one of the at least two side walls.
  • the apparatus further comprises:
  • the trigger mechanism is capable of urging directly or indirectly the one or more driving levers into enagement with the piston rod.
  • the rotary motor may be powered by an AC power source or a battery.
  • an embodiment of the caulking gun of the invention has an elongate housing 1 which supports a cartridge 6 from which is dispensed caulking material 61.
  • a distal end of the cartridge 6 abuts an inner distal wall 14 of the caulking gun so that a nozzle 62 disposed at the distal end of the cartridge 6 extends freely through and beyond the distal wall 14.
  • the elongate housing 1 has at consecutive intermediate positions a first supporting wall 11 and a second supporting wall 12.
  • a piston rod 2 traverses the first supporting wall 11 and the second supporting wall 12 and is movably disposed substantially axially in the elongate housing 1.
  • a single driving lever 3 is provided with an aperture 31 to permit it to be slidably mounted on the piston rod 2 between the first supporting wall 11 and second supporting wall 12.
  • a piston 21 is fixed to the distal end of the piston rod 2 and abuts a movable wall 600 at a proximal end of the cartridge 6.
  • the caulking material 61 is discharged from the nozzle 62 when the movable wall 600 is advanced by the piston 21,
  • the caulking gun includes a rotary motor 4 positioned at a proximal end of the elongate housing 1 and coupled to a substantially axially extending rotary motor shaft 41.
  • the rotary motor 4 is electrically connected to a battery 16 disposed in a substantially central lower portion of the elongate housing 1.
  • An electrical switch 42 is set in the elongate housing I to electrically connect the rotary motor 4 and the battery 16.
  • An active rod 9 is connected axially to the rotary motor shaft 41 by splines and is rotatable with the rotary motor shaft 41. ..
  • a cam 5 is mounted radially on and is rotational with the active rod 9,
  • the cam 5 has a distal radial cam surface that is uneven and in slidable engagement with a lower part of the proximal face of the driving lever 3.
  • the driving lever 3 can pivot into engagement with the piston rod 2 at an engagement position 32.
  • the driving lever 3 can move with the piston rod 2.
  • the distal radial cam face of the cam 5 includes an anterograde surface 51 and a retrograde surface 52.
  • the anterograde surface 51 extends over about 360 degrees and the retrograde surface 52 is a steep step substantially parallel to the axis of the rotary motor shaft 41.
  • the caulking gun further comprises a mechanical trigger mechanism 7 that includes a trigger 71 and a lever 72.
  • the trigger 71 is depressed and rotates about a pin 721 and in an operational position engages the first end 722 of the lever 72 whilst the second end 723 of the lever 72 engages the proximal radial face of the cam 5.
  • the mechanical trigger mechanism 7 further comprises a lock member 73 and a spring 74, The lock member 73 can be selectively locked to the piston rod 2 by a switch (not shown).
  • the lock member 73 releases the piston rod 2 when the switch is in automatic control mode and the piston rod 2 is retractable in the elongate housing 1.
  • the electrical switch 42 is switched on to connect electrically the rotary motor 4 and the battery 16.
  • the trigger 71 is depressed and rotates about the pin 711 to engage the first end 722 of the lever 72 in an operational position whilst the second end 723 of the lever 72 engages the cam 5.
  • the rotary motor 4 rotates the rotary motor shaft 41 and the active rod 9.
  • the driving lever 3 consistently engages the distal radial cam face alternately at the anterograde surface 51 and the retrograde surface 52.
  • the anterograde surface 51 continuously engages the driving lever 3 (see Figures 3 and 4), it advances the driving lever 3 and the piston rod 2 in direction E so that the piston 21 compresses caulking material 61 out of the nozzle 62.
  • the driving lever 3 is restored to the position shown in Figure 3 by the restoring spring 8 until the anterograde surface 51 engages the driving lever 3 again. Because the time between disengaging and re-engaging the anterograde surface 51 is short, the caulking material 61 is effectively dispensed continuously.
  • the lock member 73 (see broken lines in Figure 2) is locked to the piston rod 2 when the switch is in manual control mode and the piston rod 2 is non-retractable in the elongate housing 1.
  • the trigger 71 When the trigger 71 is depressed, the trigger 71 rotates about the pin 721 and engages the first end 722 of the lever 72 in an operational position whilst the second end 723 of the lever 72 engages and moves the cam 5.
  • the caulking material 61 can be dispensed from the cartridge 6 intermittently by depressing and releasing the trigger 71.
  • the elongate housing 1 has a first supporting wall 11. a second supporting wall 12 and a third supporting wall 13 at consecutive intermediate positions.
  • a first driving lever 3 a and a second driving lever 3b have an aperture 31a, 31b respectively to permit them to be slidably mounted on the piston rod 2.
  • the second driving lever 3b is longer than the first driving lever 3a and has a proximal end face 33b slidably engaged with the distal radial cam surface of the cam 5,
  • the first driving lever 3a and a first restoring spring 8a are disposed between the first supporting wall 11 and the second supporting wall 12.
  • the second driving lever 3b and a second restoring spring 8b are disposed between the second supporting wall 12 and the third supporting wall 13.
  • the uneven distal radial cam face of cam 5 is in slidable engagement with the first and second driving levers 3a, 3b to consistently advance piston rod 2.
  • the first and second driving levers 3a, 3b engage the cam 5 at first and second contact points 91 and 92 respectively (see Figure 8a).
  • the first and second contact points 91, 92 are separated by 210 degrees (P) with respect to the axis of the rotary motor shaft 41.
  • the retrograde surface 52 of the cam 5 is in the form of a step (as in the first embodiment) but with a descendent face portion (A) shown in Figure 6 which is angled with respect to the axis of the active rod 9.
  • the trigger 71 When the switch of the caulking gun is in automatic control mode, the trigger 71 is depressed and the electrical switch 42 is switched on to connect electrically the rotary motor 4 and the battery 16. As shown in Figure 8, the trigger 71 rotates about the pin 721 and engages the first end 722 of the lever 72 in an operational position whilst the second end 723 of the lever 72 engages the cam 5.
  • the cam 5 engages the first and second driving levers 3a, 3b and the first and second driving levers 3a, 3b engage the piston rod 2 alternately (ie when a first of the driving levers 3a, 3b is not in engagement with the piston rod 2, the other of the driving levers 3a, 3b is in engagement with the piston rod 2).
  • the rotary motor 4 rotates the rotary motor shaft 41 and the active rod 9.
  • the driving levers 3a, 3b consistently engage the distal radial cam face alternately at the anterograde surface 51 and the retrograde surface 52.
  • the anterograde surface 51 continuously engages the first driving lever 3a (see Figure 9)
  • the anterograde surface 51 has already engaged the second driving lever 3b for a period of time and moved the second driving lever 3b and piston rod 2 in the direction F.
  • the anterograde surface 51 continuously engages the second driving lever 3b (see Figure 10)
  • the anterograde surface 51 has already engaged the first driving lever 3a for a period of time and moved the first driving lever 3a and the piston rod 2 in direction F.
  • the lock member 73 When the switch of the caulking gun is in manual control mode, the lock member 73 is positioned according to the broken lines in Figure 8.
  • the trigger 71 When the trigger 71 is depressed, the trigger 71 rotates about the pin 721 and engages a first end 722 of the lever 72 in an operational position whereas the second end 723 of the lever 72 engages and moves the cam 5.
  • the caulking material 61 is dispensed from the cartridge 6 intermittently by depressing or releasing the trigger 71.
  • each of a first and second driving lever 3a, 3b has a wheel 34a, 34b which engages the uneven distal radial cam surface of the cam 5.
  • the cam 5 is in rolling engagement with the wheel 34a, 34b and the friction is relatively low so that the working life of the caulking gun is prolonged.
  • the automatic and manual operation is the same as in the second embodiment.
  • a handspike 35a, 35b is provided between the cam 5 and the first and second driving lever 3a, 3b.
  • the handspike 35a, 35b is in slidable engagement with a guide sleeve 36 which is fixed to the elongate housing 1.
  • a first end of the first handspike 35a abuts the uneven distal radial cam surface of the cam 5 whilst a second end of the first handspike 35a abuts the first driving lever 3a
  • a first end of the second handspike 35b abuts the uneven distal radial cam surface of the cam 5 whilst a second end of the second handspike 35b abuts the second driving lever 3b.
  • the automatic and manual operation is the same as in the second embodiment. Because the handspike 35a, 35b and driving lever 3a, 3b constitute a simple rod construction, the caulking gun is convenient to use and cheap to manufacture.
  • a fifth embodiment of the present invention is shown in Figure 13.
  • a first module comprises a first housing 101 and parts disposed in the first housing 101.
  • a second module (shown in broken lines) comprises a second housing 102 and parts disposed in the second housing 102.
  • the elongate housing 1 comprises the first housing 101 detachably coupled to the second housing 102.
  • the piston rod 2 and the driving lever 3 are disposed within the first housing 101.
  • the battery 16, the rotary motor 4, an electrical switch 42, a journey switch 22, a gear 53 and a step drive member 54 are disposed within the second housing 102.
  • the step drive member 54 is a horizontally reciprocative rod. It is disposed eccentrically to gear 53 and coupled to the rotary motor shaft 41. A slot 541 is disposed within the reciprocative rod 54. A pin 531 is eccentrically disposed on the gear 53 and an end of the pin 531 is positioned in the slot 541. During rotation of the rotary motor shaft 41, rotation of gear 53 is transmitted into reciprocating movement of the reciprocative rod 54.
  • the driving lever 3 and a restoring spring 8 are disposed between the first supporting wall 11 and the second supporting wall 12.
  • the piston rod 2 is configured to engage the cartridge 6 for dispensing the caulking material 61 and the driving lever 3 has an aperture 31 for mounting radially on the piston rod 2.
  • the driving lever 3 pivots into engagement with the piston rod 2 and then advances together with the piston rod 2.
  • the trigger 71 rotates about a pin 711 on the first housing 101 and an upper part of the trigger 71 engages the lower proximal face of the driving level 3.
  • a restoring spring is disposed external to the housing 1 on a lower part of trigger 71 for biasing the trigger 71 back to the non-depressed position.
  • the driving lever 3 moves the piston rod 2 along the cartridge 6.
  • the driving lever 3 is retracted by the restoring spring 8.
  • a clip spring 81 is disposed between the piston rod 2 and the first housing 101 so that the piston rod 2 will not retract by virtue of the frictional force between the clip spring 81 and the piston rod 2.
  • the caulking gun is in an automatic operation mode.
  • the rotary motor 4 and the battery 16 are connected.
  • the rotary motor shaft 41 drives the gear 53 rotationally and the reciprocating rod 54 reciprocates.
  • the reciprocating rod 54 moves in direction B, it pivots the driving lever 3 to engage the piston rod 2.
  • the reciprocating rod 54 moves continuously in direction B, it moves the driving lever 3 and the piston rod 2 against the restoring spring 8.
  • the caulking material 61 is dispensed from the nozzle 62.
  • the journey switch 22 is disposed in the second housing 102 and is connected to the rotary motor 4 via wires (not shown in the Figures). When the journey switch 22 is depressed by the piston rod 2, it breaks the electrical connection between the rotary motor 4 and battery 16. The type of journey switch 22 is selected according to the length of the cartridge 6.
  • the caulking gun When the electrical power is off, the caulking gun is operable manually.
  • the second module could be removed to reduce the weight of the caulking gun.
  • the second housing 102 is coupled to the first housing 101 in a plurality of positions.
  • the reciprocative rod 54 engages the driving lever 3 at different parts and drives the driving lever 3 at different angles so that the caulking gun has different discharge speeds for discharging caulking material.
  • the step drive member comprises a gear 53 and a cam 54a which is fixed to the gear 53.
  • the cam 54a drives the driving lever 3.
  • the rotary motor shaft 41 drives the gear 53 rotationally which rotates the cam 54a.
  • the cam 54a has a proximal end 56 and a distal end 57.
  • the cam 54a rotates from the proximal end 56 to the distal end 57, it pivots the driving lever 3 into engagement with the piston rod 2.
  • the cam 54a moves continuously in direction B, it advances the driving lever 3 and the piston rod 2 against the restoring spring 8.
  • the caulking material 61 is dispensed from the nozzle 62.
  • the step drive member comprises a sectorial gear 54b coupled to a gear 53.
  • the rack 55b is coupled to the sectorial gear 54b and the rack 55b advances the driving lever 3.
  • the sectorial gear 54b is fixed to the rotary motor shaft 41 by a bolt.
  • the rotary motor 4 and battery 16 are connected electrically.
  • the rotary motor shaft 41 drives the sectorial gear 54b rotationally in direction A.
  • the rack 55b moves in direction B and drives the driving lever 3 into engagement with the piston rod 2.
  • the rack 55b moves continuously in direction B, it advances the driving lever 3 and the piston rod 2 against the restoring spring 8.
  • the caulking material 61 will be dispensed from the nozzle 62.

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  • Coating Apparatus (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
EP07252739A 2006-07-24 2007-07-09 Pistolet à calfeutrer Withdrawn EP1882525A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
CN200610107905 2006-07-24
CN200710019708 2007-02-03

Publications (2)

Publication Number Publication Date
EP1882525A2 true EP1882525A2 (fr) 2008-01-30
EP1882525A3 EP1882525A3 (fr) 2008-08-13

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Family Applications (1)

Application Number Title Priority Date Filing Date
EP07252739A Withdrawn EP1882525A3 (fr) 2006-07-24 2007-07-09 Pistolet à calfeutrer

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EP (1) EP1882525A3 (fr)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7896201B2 (en) 2006-12-04 2011-03-01 Hilti Aktiengesellschaft Dispensing device
CN101564716B (zh) * 2008-06-19 2011-04-20 郑金堂 一种电动玻璃胶枪
CN104226561A (zh) * 2014-08-28 2014-12-24 成都市容德建筑劳务有限公司 建筑施工用压胶枪
WO2018034102A1 (fr) * 2016-08-16 2018-02-22 株式会社サンツール Unité de pistolet d'application de type à rétro-aspiration
CN113550538A (zh) * 2020-04-23 2021-10-26 广东博智林机器人有限公司 末端出料执行机构及填缝机器人
DE202022102798U1 (de) 2022-05-20 2023-08-24 Marco Roth Kartuschenpistole

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4264021A (en) 1978-02-08 1981-04-28 Davis George B Jun Hand held electric caulking gun
US4615469A (en) 1983-05-31 1986-10-07 Matsushita Electric Works, Ltd. Electrically powered squeezer for dispensing a viscous substance
US6119903A (en) 1994-09-13 2000-09-19 Vanmoor; Arthur Caulking gun and cartridge with afterflow prevention

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4273269A (en) * 1978-02-08 1981-06-16 Davis George B Jun Hand held electric caulking gun
DE19850495B4 (de) * 1998-11-02 2011-08-11 Hilti Aktiengesellschaft Handauspressgerät mit Antriebsmotor
US7063240B1 (en) * 2003-08-04 2006-06-20 Niswonger John O H Powered caulking gun
US7971758B2 (en) * 2005-11-10 2011-07-05 Black & Decker Inc. Caulk gun

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4264021A (en) 1978-02-08 1981-04-28 Davis George B Jun Hand held electric caulking gun
US4615469A (en) 1983-05-31 1986-10-07 Matsushita Electric Works, Ltd. Electrically powered squeezer for dispensing a viscous substance
US6119903A (en) 1994-09-13 2000-09-19 Vanmoor; Arthur Caulking gun and cartridge with afterflow prevention

Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7896201B2 (en) 2006-12-04 2011-03-01 Hilti Aktiengesellschaft Dispensing device
CN101564716B (zh) * 2008-06-19 2011-04-20 郑金堂 一种电动玻璃胶枪
CN104226561A (zh) * 2014-08-28 2014-12-24 成都市容德建筑劳务有限公司 建筑施工用压胶枪
WO2018034102A1 (fr) * 2016-08-16 2018-02-22 株式会社サンツール Unité de pistolet d'application de type à rétro-aspiration
JPWO2018034102A1 (ja) * 2016-08-16 2018-08-16 株式会社サンツール サックバック式塗布ガンユニット
US10814345B2 (en) 2016-08-16 2020-10-27 Sun Tool Corporation Suck-back type coating gun unit
CN113550538A (zh) * 2020-04-23 2021-10-26 广东博智林机器人有限公司 末端出料执行机构及填缝机器人
DE202022102798U1 (de) 2022-05-20 2023-08-24 Marco Roth Kartuschenpistole

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