EP0706832B1 - Pistolet de pulvérisation de peinture à air comprimé - Google Patents

Pistolet de pulvérisation de peinture à air comprimé Download PDF

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Publication number
EP0706832B1
EP0706832B1 EP94116197A EP94116197A EP0706832B1 EP 0706832 B1 EP0706832 B1 EP 0706832B1 EP 94116197 A EP94116197 A EP 94116197A EP 94116197 A EP94116197 A EP 94116197A EP 0706832 B1 EP0706832 B1 EP 0706832B1
Authority
EP
European Patent Office
Prior art keywords
supply line
compressed air
paint spray
spray gun
plug
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.)
Expired - Lifetime
Application number
EP94116197A
Other languages
German (de)
English (en)
Other versions
EP0706832A1 (fr
Inventor
Dr. Ewald Schmon
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.)
SATA GmbH and Co KG
Original Assignee
SATA GmbH and Co KG
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 SATA GmbH and Co KG filed Critical SATA GmbH and Co KG
Priority to AT94116197T priority Critical patent/ATE163577T1/de
Priority to EP94116197A priority patent/EP0706832B1/fr
Priority to DE59405399T priority patent/DE59405399D1/de
Priority to ES94116197T priority patent/ES2115840T3/es
Publication of EP0706832A1 publication Critical patent/EP0706832A1/fr
Application granted granted Critical
Publication of EP0706832B1 publication Critical patent/EP0706832B1/fr
Anticipated expiration legal-status Critical
Expired - Lifetime 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
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter
    • B05B7/0838—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter comprising a single means controlling simultaneously the flow rates of shaping and spraying gas jets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B7/00—Spraying apparatus for discharge of liquids or other fluent materials from two or more sources, e.g. of liquid and air, of powder and gas
    • B05B7/02—Spray pistols; Apparatus for discharge
    • B05B7/08—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point
    • B05B7/0807—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets
    • B05B7/0815—Spray pistols; Apparatus for discharge with separate outlet orifices, e.g. to form parallel jets, i.e. the axis of the jets being parallel, to form intersecting jets, i.e. the axis of the jets converging but not necessarily intersecting at a point to form intersecting jets with at least one gas jet intersecting a jet constituted by a liquid or a mixture containing a liquid for controlling the shape of the latter

Definitions

  • the invention relates to a compressed air-operated paint spray gun according to the preamble of claim 1 and a compressed air distributor for this.
  • a generic, known paint spray gun 1 - as shown in Figure 1 is - consists essentially of a one-piece housing 2, which has a handle area 30 and has a nozzle area 31. About the housing handle 30 Paint spray gun 1 supplied with compressed air. On top of the paint spray gun 1 is a flow cup at a connection 32 in flow cup guns, as shown attachable, with hanging cup guns there is a hanging cup in the area of the nozzle arrangement screwed to the underside of the paint spray gun.
  • the paint spray gun 1 supplied compressed air becomes a surrounding the paint outlet opening Annular gap 21 out and blown out under pressure, the color through the The resulting vacuum is sucked out of the outlet opening, atomized and carried away becomes. This forms an essentially conical omnidirectional jet.
  • the omnidirectional supply line 6 supplies said annular gap 21 with compressed air
  • the other the so-called horn air supply line 5
  • the compressed air distributors are used to set the horn air 3 of these known paint spray guns 1, a setting valve when it is actuated a chick 7 partially closes the branching horn air supply line 5 or opens completely. When this valve is completely closed, no air flows from the horns 20 and there is a pure omnidirectional beam; the stronger this valve is opened, the more the omnidirectional jet is deformed into a flat jet.
  • EP 381 072 A2 Low pressure paint spray gun proposed, in which a double cone arrangement causes that when closing the horn air also the amount of air supplied to the annular gap is reduced.
  • This double cone arrangement is suitable for structural reasons however only for hanging cup guns and not for gravity cup guns where the Color cup is placed on top. Incidentally, it is not attached to existing pistols can be retrofitted.
  • US-A-5,090,623 relates to a paint spray gun, which also the amount of air supplied to the annular gap is reduced when the amount of horn air is reduced becomes.
  • the arrangement shown therein comprises a perforated disc which the Air channels separate in their course and what different holes has, which are introduced into the air channels by rotating the disc can.
  • the arrangement is very complicated and after disassembly Hard to reassemble cleaning the paint spray gun. Besides, it is also cannot be retrofitted to existing paint spray guns.
  • Figure 1 is a compressed air-operated paint spray gun 1, as both the state the technology corresponds as well as be equipped with the present invention can, shown with a housing 2.
  • a compressed air supply line 4 Inside the pistol grip of this case 2 there is a compressed air supply line 4, which leads to a via a valve arrangement Compressed air distributor 3 leads.
  • the two are shown in dashed lines in FIG from this compressed air distributor 3 outgoing lines, namely the horn air supply line, which acts on the horns 20 with compressed air and the omnidirectional supply line, which with the annular gap 21 surrounding the paint nozzle Compressed air applied.
  • FIG. 2 A compressed air distributor 3 installed in the housing 2 of a paint spray gun 1 the prior art is shown in Figure 2, from which the omnidirectional supply line 6 and the horn air supply line 5 emerge.
  • Figure 2 corresponds a section along the line B - B of Figure 1, if one assumes, that this paint spray gun is designed according to the prior art.
  • it is known in a lateral opening of the housing 2 of the paint spray gun 1 to provide a threaded bore, in the interior of which the compressed air supply line 4, the omnidirectional supply line 6 and the horn air supply line 5 open out.
  • a compressed air distributor insert is screwed into this housing bore Arrangement to a compressed air distributor 3 added.
  • a chick 7 can be perpendicular to the wall adjust the housing 2, whereby a terminally attached to the chick 7 Sealing suppository 8 can be pressed onto the inlet of the horn air supply line 5. Since the suppository 8 is conical, the horn air supply line 5 thus sealed. If you turn the knurled knob 14 back, the horn air supply line 5 released from the suppository 8 and with horn air acted upon. In contrast, seen in the screwing-in direction of the plug 7 the omnidirectional supply line 5 always lies in the horn air supply line 5, that is, regardless of the position of the suppository 7, with compressed air from the (in Figure 2, not shown) pressurized air supply line 4. When closing the horn air supply line 5 through the sealing cone 8 results in the Introduction to the description mentioned effect of the pressure increase in the omnidirectional supply line 6, possibly over the permissible maximum value of 0.7 bar.
  • Figures 3 and 4 is a similar section as in Figure 2, but with one Paint spray gun according to the invention shown.
  • Figures 5 and 6 correspond Figures 3 and 4, however, the sectional view is rotated by 90 °.
  • FIGS. 4 and 6 which show the arrangement with the horn air supply line open 5 will be referred to collectively below.
  • the plate 9 blocks the Suppository 7 a significant part of the air passage from the compressed air supply 4 to the omnidirectional supply line 6. It is important that the plate 9 is not only the omnidirectional supply line 6 per se, but also the air supply line 4 blocked, because this is the only way to distribute the total pressure to both lines 5 and 6 is limited.
  • the maximum pressure to be achieved in the omnidirectional supply line 6 can be achieved by suitable choice of the dimensions of the plate 9 can be set. Especially the height and diameter of the plate 9 can be varied for adaptation. The larger the gap between the plate 9 and the omnidirectional supply line 6 is, the lower the throttling effect when adjusting the regulation with respect of the omnidirectional beam. The same applies to the height of the plate 9 or the attached plate Chamfer. About the height of the suppository 8 or over the sealing cone on the plate 9 can the amount of horn air or the fineness of the adjustment of the air pressure or the amount of air can be varied.
  • the sealing cones 8 and the plate 9 made in one piece and have an internal thread 10 for screwing on a set screw 11 which forms the core of the plug 7.
  • the plate 9 can also be placed on a chick 7, as shown in FIG will.
  • the subject of the invention is also a compressed air distribution unit per se, only under the term compressed air distribution unit the assembly made from chick 7, plate 9, suppository 8 and knurled knob 14 is to be understood which is via the external thread 12 in the housing 2 of the paint spray gun 1 can be screwed in. This unit is only in cooperation with the holes 4, 5 and 6 within the housing 2, a compressed air distributor.

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Nozzles (AREA)

Claims (7)

  1. Pistolet de pulvérisation de peinture à air comprimé (1), avec un boítier (2) qui présente un distributeur d'air comprimé (3) qui est raccordé à une conduite d'amenée d'air comprimé (4) et qui répartit l'air comprimé de cette dernière sur une conduite d'alimentation d'air de corne (5) et une conduite d'alimentation du jet circulaire (6), la quantité d'air comprimé apportée à la conduite d'alimentation d'air de corne (5) pouvant être réglée en déplaçant par vissage ou dévissage un tournant (7) dont le tampon d'étanchéité terminal (8) ferme ou ouvre alors en continu la conduite d'alimentation d'air de corne (5), caractérisé en ce que le tournant (7), vu à partir de son extrémité, présente à la suite du tampon d'étanchéité (8) une région de plus grand diamètre qui est réalisée sous forme de plateau du genre disque qui, lors de la fermeture de la conduite d'alimentation d'air de corne (5), rétrécit également en continu le chemin de l'air entre la conduite d'amenée d'air comprimé (4) et la conduite d'alimentation du jet circulaire (6), la pression dans la conduite d'alimentation du jet circulaire (6) étant ainsi limitée à une valeur maximale prédéfinie.
  2. Pistolet de pulvérisation de peinture selon la revendication 1, caractérisé en ce que la valeur maximale prédéfinie est égale à 0,7 bar.
  3. Pistolet de pulvérisation de peinture selon la revendication 1 ou 2, caractérisé en ce que le plateau (9), lors de l'actionnement du tournant (7), agit tant sur la conduite d'amenée d'air comprimé (4) que sur la conduite d'alimentation du jet circulaire (6).
  4. Pistolet de pulvérisation de peinture selon une des revendications précédentes, caractérisé en ce que le tampon d'étanchéité (8) et le plateau (9) sont réalisés d'un seul tenant et présentent un filetage intérieur (10) pour le vissage sur une vis sans tête (11) constituant la partie centrale du tournant (7).
  5. Pistolet de pulvérisation de peinture selon une des revendications précédentes, caractérisé en ce que son boítier (2) présente un perçage dont le côté extérieur porte un filetage intérieur ne s'étendant pas de bout en bout, dans lequel le distributeur d'air comprimé (3) peut être vissé au moyen d'un filetage extérieur (12).
  6. Pistolet de pulvérisation de peinture selon une des revendications précédentes, caractérisé en ce que le tournant (7) est assemblé avec blocage de rotation à un bouton moleté (14) disposé à l'extérieur du boítier.
  7. Elément rapporté de distributeur d'air comprimé pour un pistolet de pulvérisation de peinture (1) selon la revendication 5 ou 6, avec un filetage extérieur (12) pour le vissage dans le pistolet de pulvérisation de peinture (1), et avec un tournant (7) pouvant être déplacé axialement au moyen d'un bouton moleté (14) et pourvu d'un tampon d'étanchéité termina (8), caractérisé en ce que, vu depuis l'extrémité du tournant (7), une région de plus grand diamètre, qui est réalisée sous forme de plateau (9), est disposée à la suite du tampon d'étanchéité (8).
EP94116197A 1994-10-13 1994-10-13 Pistolet de pulvérisation de peinture à air comprimé Expired - Lifetime EP0706832B1 (fr)

Priority Applications (4)

Application Number Priority Date Filing Date Title
AT94116197T ATE163577T1 (de) 1994-10-13 1994-10-13 Druckluftbetriebene farbspritzpistole
EP94116197A EP0706832B1 (fr) 1994-10-13 1994-10-13 Pistolet de pulvérisation de peinture à air comprimé
DE59405399T DE59405399D1 (de) 1994-10-13 1994-10-13 Druckluftbetriebene Farbspritzpistole
ES94116197T ES2115840T3 (es) 1994-10-13 1994-10-13 Pistola pulverizadora accionada por aire comprimido.

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
EP94116197A EP0706832B1 (fr) 1994-10-13 1994-10-13 Pistolet de pulvérisation de peinture à air comprimé

Publications (2)

Publication Number Publication Date
EP0706832A1 EP0706832A1 (fr) 1996-04-17
EP0706832B1 true EP0706832B1 (fr) 1998-03-04

Family

ID=8216381

Family Applications (1)

Application Number Title Priority Date Filing Date
EP94116197A Expired - Lifetime EP0706832B1 (fr) 1994-10-13 1994-10-13 Pistolet de pulvérisation de peinture à air comprimé

Country Status (4)

Country Link
EP (1) EP0706832B1 (fr)
AT (1) ATE163577T1 (fr)
DE (1) DE59405399D1 (fr)
ES (1) ES2115840T3 (fr)

Cited By (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE202009009406U1 (de) 2009-07-08 2010-11-25 Sata Gmbh & Co. Kg Farbspritzpistole
DE102009032399A1 (de) 2009-07-08 2011-01-13 Sata Gmbh & Co. Kg Farbspritzpistole
DE202011003941U1 (de) 2011-03-14 2011-08-19 Sata Gmbh & Co. Kg Farbspritzpistole
DE202012003116U1 (de) 2012-03-28 2012-05-10 Sata Gmbh & Co. Kg Spritzpistole und zugehöriger Druckluftverteilereinsatz
US8925836B2 (en) 2008-10-29 2015-01-06 Sata Gmbh & Co. Kg Gravity cup for a paint sprayer
CN104368468A (zh) * 2013-08-14 2015-02-25 浙江奥利达气动工具股份有限公司 设置有幅度无级调节装置的喷枪及其幅度无级调节装置
USD740393S1 (en) 2013-09-27 2015-10-06 Sata Gmbh & Co. Kg Paint spray gun
US9327301B2 (en) 2008-03-12 2016-05-03 Jeffrey D. Fox Disposable spray gun cartridge
USD758537S1 (en) 2014-07-31 2016-06-07 Sata Gmbh & Co. Kg Paint spray gun rear portion
US9409197B2 (en) 2013-12-18 2016-08-09 Sata Gmbh & Co. Kg Air nozzle closure for a spray gun
USD768820S1 (en) 2014-09-03 2016-10-11 Sata Gmbh & Co. Kg Paint spray gun with pattern
USD770593S1 (en) 2014-07-31 2016-11-01 Sata Gmbh & Co. Kg Paint spray gun
EP3421138A1 (fr) 2017-06-30 2019-01-02 Tao-Pao Chien Pistolet pulvérisateur
DE102018118738A1 (de) * 2018-08-01 2020-02-06 Sata Gmbh & Co. Kg Grundkörper für eine Spritzpistole, Spritzpistolen, Spritzpistolen-Set, Verfahren zur Herstellung eines Grundkörpers für eine Spritzpistole und Verfahren zum Umrüsten einer Spritzpistole

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DE502007000825D1 (de) 2006-12-05 2009-07-16 Sata Gmbh & Co Kg Belüftung für den Fließbecher einer Farbspritzpistole
DE202010007355U1 (de) 2010-05-28 2011-10-20 Sata Gmbh & Co. Kg Düsenkopf für eine Spritzvorrichtung
EP2646166B1 (fr) 2010-12-02 2018-11-07 SATA GmbH & Co. KG Pistolet de pulvérisation et accessoire
CN103517765B (zh) 2011-06-30 2017-09-12 萨塔有限两合公司 易清洗的喷枪、用于喷枪的附件及安装和拆卸方法
EP2878380A1 (fr) * 2013-12-02 2015-06-03 Hsien-Chao Shih Structure de boîtier d'un pistolet de pulvérisation de peinture avec déviation de pression homogène
CN110560285B (zh) 2014-07-31 2021-05-18 萨塔有限两合公司 喷枪及其制造方法
GB201414281D0 (en) * 2014-08-12 2014-09-24 Jim Lindsay Ltd Spray gun apparatus
DE102015006484A1 (de) 2015-05-22 2016-11-24 Sata Gmbh & Co. Kg Düsenanordnung für eine Spritzpistole, insbesondere Farbspritzpistole und Spritzpistole, insbesondere Farbspritzpistole
DK3313582T3 (en) 2015-06-26 2019-04-29 Jim Lindsay Ltd SPRAY GUN
DE102015016474A1 (de) 2015-12-21 2017-06-22 Sata Gmbh & Co. Kg Luftkappe und Düsenanordnung für eine Spritzpistole und Spritzpistole
CN205966208U (zh) 2016-08-19 2017-02-22 萨塔有限两合公司 风帽组件以及喷枪
CN205995666U (zh) 2016-08-19 2017-03-08 萨塔有限两合公司 喷枪及其扳机
DE112018007865A5 (de) 2018-08-01 2021-07-15 Sata Gmbh & Co. Kg Düsensatz für eine Spritzpistole, Spritzpistolensystem, Verfahren zum Ausgestalten eines Düsen-Moduls, Verfahren zur Auswahl eines Düsen-Moduls aus einem Düsensatz für eine Lackieraufgabe, Auswahlsystem und Computerprogrammprodukt
DE102018118737A1 (de) 2018-08-01 2020-02-06 Sata Gmbh & Co. Kg Düse für eine Spritzpistole, Düsensatz für eine Spritzpistole, Spritzpistolen und Verfahren zur Herstellung einer Düse für eine Spritzpistole
DE102018122004A1 (de) 2018-09-10 2020-03-12 Sata Gmbh & Co. Kg Lackierpistole, Materialauftragssystem und Verfahren zu dessen Betrieb
JP7431021B2 (ja) * 2019-11-29 2024-02-14 アネスト岩田株式会社 スプレーガン
FR3103871B1 (fr) * 2019-11-29 2021-12-31 Exel Ind Ensemble comprenant un pointeau indémontable en position fermé, pistolet pulvérisateur et procédé d’installation associés
DE102020106172A1 (de) 2020-03-06 2021-09-09 Sata Gmbh & Co. Kg Spritzpistole, insbesondere druckluftzerstäubende Farbspritzpistole, insbesondere handgeführte druckluftzerstäubende Farbspritzpistole
DE102020123769A1 (de) 2020-09-11 2022-03-17 Sata Gmbh & Co. Kg Dichtelement zum Abdichten eines Übergangs zwischen einem Grundkörper einer Spritzpistole und einem Anbauteil einer Spritzpistole, Anbauteil, insbesondere Farbdüsenanordnung, für eine Spritzpistole und Spritzpistole, insbesondere Farbspritzpistole

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Publication number Priority date Publication date Assignee Title
US1982055A (en) * 1931-02-18 1934-11-27 Alexander F Jenkins Apparatus for applying paint
US2827330A (en) * 1951-02-15 1958-03-18 Binks Mfg Co Spray guns
US2864649A (en) * 1956-11-26 1958-12-16 Cline Electric Mfg Co Spray gun
CA2007963A1 (fr) * 1989-02-03 1990-08-03 Robert R. Mellette Pistolet a air faiblement comprime et a grand debit
US5090623A (en) * 1990-12-06 1992-02-25 Ransburg Corporation Paint spray gun

Cited By (18)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US9327301B2 (en) 2008-03-12 2016-05-03 Jeffrey D. Fox Disposable spray gun cartridge
US8925836B2 (en) 2008-10-29 2015-01-06 Sata Gmbh & Co. Kg Gravity cup for a paint sprayer
AU2010268870B2 (en) * 2009-07-08 2013-01-24 Sata Gmbh & Co. Kg Paint spray gun
US9533317B2 (en) 2009-07-08 2017-01-03 Sata Gmbh & Co. Kg Paint spray gun
DE202009009406U1 (de) 2009-07-08 2010-11-25 Sata Gmbh & Co. Kg Farbspritzpistole
DE102009032399A1 (de) 2009-07-08 2011-01-13 Sata Gmbh & Co. Kg Farbspritzpistole
DE202011003941U1 (de) 2011-03-14 2011-08-19 Sata Gmbh & Co. Kg Farbspritzpistole
DE202012003116U1 (de) 2012-03-28 2012-05-10 Sata Gmbh & Co. Kg Spritzpistole und zugehöriger Druckluftverteilereinsatz
CN104368468A (zh) * 2013-08-14 2015-02-25 浙江奥利达气动工具股份有限公司 设置有幅度无级调节装置的喷枪及其幅度无级调节装置
CN104368468B (zh) * 2013-08-14 2016-06-08 浙江奥利达气动工具股份有限公司 设置有幅度无级调节装置的喷枪及其幅度无级调节装置
USD740393S1 (en) 2013-09-27 2015-10-06 Sata Gmbh & Co. Kg Paint spray gun
US9409197B2 (en) 2013-12-18 2016-08-09 Sata Gmbh & Co. Kg Air nozzle closure for a spray gun
USD758537S1 (en) 2014-07-31 2016-06-07 Sata Gmbh & Co. Kg Paint spray gun rear portion
USD770593S1 (en) 2014-07-31 2016-11-01 Sata Gmbh & Co. Kg Paint spray gun
USD798419S1 (en) 2014-07-31 2017-09-26 Sata Gmbh & Co. Kg Paint spray gun
USD768820S1 (en) 2014-09-03 2016-10-11 Sata Gmbh & Co. Kg Paint spray gun with pattern
EP3421138A1 (fr) 2017-06-30 2019-01-02 Tao-Pao Chien Pistolet pulvérisateur
DE102018118738A1 (de) * 2018-08-01 2020-02-06 Sata Gmbh & Co. Kg Grundkörper für eine Spritzpistole, Spritzpistolen, Spritzpistolen-Set, Verfahren zur Herstellung eines Grundkörpers für eine Spritzpistole und Verfahren zum Umrüsten einer Spritzpistole

Also Published As

Publication number Publication date
ATE163577T1 (de) 1998-03-15
EP0706832A1 (fr) 1996-04-17
DE59405399D1 (de) 1998-04-09
ES2115840T3 (es) 1998-07-01

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