EP1708822B1 - Paint reservoir system for a paint spraying gun - Google Patents

Paint reservoir system for a paint spraying gun Download PDF

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Publication number
EP1708822B1
EP1708822B1 EP05701008A EP05701008A EP1708822B1 EP 1708822 B1 EP1708822 B1 EP 1708822B1 EP 05701008 A EP05701008 A EP 05701008A EP 05701008 A EP05701008 A EP 05701008A EP 1708822 B1 EP1708822 B1 EP 1708822B1
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EP
European Patent Office
Prior art keywords
paint
container
shaft
wall
pointed tool
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.)
Not-in-force
Application number
EP05701008A
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German (de)
French (fr)
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EP1708822A1 (en
Inventor
Ewald Schmon
Peter Dettlaff
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
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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 PL09167448T priority Critical patent/PL2111920T3/en
Priority to EP09167448.1A priority patent/EP2111920B1/en
Publication of EP1708822A1 publication Critical patent/EP1708822A1/en
Application granted granted Critical
Publication of EP1708822B1 publication Critical patent/EP1708822B1/en
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Anticipated expiration legal-status Critical

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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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2405—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle
    • B05B7/2408—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device using an atomising fluid as carrying fluid for feeding, e.g. by suction or pressure, a carried liquid from the container to the nozzle characterised by the container or its attachment means to the spray apparatus
    • 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
    • B05B7/24—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 with means, e.g. a container, for supplying liquid or other fluent material to a discharge device
    • B05B7/2402—Apparatus to be carried on or by a person, e.g. by hand; Apparatus comprising containers fixed to the discharge device
    • B05B7/2478—Gun with a container which, in normal use, is located above the gun

Definitions

  • the invention relates to a flow cup for a paint spray gun according to the preamble of claim 1 and a pointed tool, in particular a mandrel, for piercing a ventilation opening in the wall of a paint cup for a paint spray gun according to the preamble of claim 6 and a paint cup system consisting of a flow cup and a Spitz tool.
  • a dispenser for pasty masses which comprises a dispenser housing with a displaceably arranged therein the piston, wherein the dispenser housing is closed airtight by a membrane on the bottom side and above the Aufstellrand of the dispenser housing protruding membrane piercing, with which the membrane can be pierced.
  • vessels are still known for vacuum preservation, especially of food and beverages, such as from the CH 203668-A , wherein this vessel described therein has a lid in which an easily pierceable point is provided to pierce an air hole in the lid can.
  • a piercing pin is known.
  • Flow cup for paint spray guns are known according to the preamble of claim 1. These comprise a container made of plastic and a lid which can be placed thereon for closing the container. At the top of the cover connecting means for mounting and securing the fluid reservoir are provided on a paint spray gun. The flow cup is placed “upside down", ie with the lid side down on the paint spray gun. The paint in the flow cup then flows downwardly into the paint feed channel of the paint spray gun due to gravity. In order to allow the gravity-driven flow of the paint, a pressure equalization within the paint cup is required.
  • a separate pointed tool such as a needle or a mandrel is required.
  • a needle or a mandrel is required.
  • Such a tool is often not available at all times.
  • the piercing of the regularly made of hard plastic container wall proves to be difficult with a suitable pointed tool.
  • the invention has the object to provide a paint cup system for a paint spray gun, which a simple, fast and easy introduction of a Ventilation opening in the container wall of the flow cup allows and thereby avoids that chips or plastic parts get into the flow cup.
  • FIG. 1 a flow cup for a paint spray gun is shown, which comprises a container 1 and a lid 2 which can be screwed onto it via a thread 18.
  • the gravity cup is here in FIG. 1 shown in the position in which the flow cup is placed on the paint spray gun, ie with the top of the lid 2 down.
  • the lid 2 has on its upper side an outlet nozzle 19 with an outlet opening 20.
  • On the outside of the outlet nozzle 19, a connection part 3 is formed.
  • the Connecting part 3 is used for placing and attaching the flow cup on a paint spray gun or on an arranged between the paint spray gun and the flow cup adapter.
  • the connecting part 3 comprises a thread 21 and a wedge-shaped groove 22 which cooperate with corresponding connection parts of the paint spray gun, namely a corresponding internal thread and a pin for engagement in the groove 22.
  • the container 1 is cup-shaped with a circular container bottom and formed from the container bottom up slightly conically widening side wall.
  • the container wall forming the container bottom or the side wall is identified here by reference numeral 4.
  • the container wall 4 is produced by injection molding in one piece from plastic.
  • a delimited area 5 is provided in the bottom part of the container 1.
  • This demarcated area 5 serves for the later introduction of a ventilation opening and is thereby delimited from the surrounding area 4a of the container wall 4 by being formed on the one hand as a membrane 7 with a smaller thickness than the thickness of the area 4a surrounding the area 5 and on the other hand by a Guiding surface 9a is bounded, which is to serve for guiding the pointed tool during later piercing the ventilation opening.
  • the guide surface 9a is formed in the embodiment illustrated here by the drawing of the inside of a substantially perpendicular to the container wall (4) wall (9) of a hollow cylinder (8).
  • the hollow cylinder 8 with its radially encircling wall 9 and the membrane 7, which extends approximately in the region of the base surface of the hollow cylinder 8, are in the detail view "U" of FIG. 1 to recognize.
  • a mandrel 6 and a closure cap 24 are formed in each case via tear-off tabs 17, 23.
  • the tear-off tabs 17 and 23 are designed as predetermined breaking points, so that the mandrel 6 and the closure cap 24 can be torn off the lid 2 manually without the aid of tools.
  • the closure cap 24 serves to close the opening 20 of the lid 2.
  • the mandrel 6 serves to introduce a ventilation opening in the delimited region 5 of the container wall 4.
  • the detail view "Y" of the FIG. 1 in a side view and in the FIG. 2 Mandrel 6 shown in sectional views has a cylindrical shank 10 and a head part 11 arranged at one end of the shank.
  • the extension (14) of the shaft adjoining the head part (11) expands conically towards the head part (11).
  • the free end 25 of the shaft 10 is chamfered to form a tip 12.
  • the diameter of the shaft in the region of the free end 25 corresponds to the inner diameter of the hollow cylinder 8 arranged at the bottom of the fluid bowl.
  • two recesses 13 arranged at diametrically opposite points are formed on the shaft periphery.
  • the shaft 10 has a circumferential annular groove 26 (FIG.
  • the paint cup system consisting of the flow cup and the mandrel 6 is used as follows:
  • the container 1 is placed on the container bottom and the lid 2 is unscrewed. Thereafter, the container 1 can be filled with paint and the lid 2 are screwed to close the container 1.
  • the container 1 with the lid 2 screwed on is then turned over and placed on the paint spray gun. Subsequently, with the help of the torn off from the cover 2 Doms 6 a ventilation hole in the delimited area 5 of the container wall 4 pierced.
  • the tip 12 of the mandrel 6 is pressed through the membrane 7, whereby the membrane 7 tears.
  • the wall 9 of the hollow cylinder 8 projecting into the interior of the container serves as a guide for the shaft 10 when the mandrel 6 is inserted.
  • the mandrel 6 is then pressed further into the container interior until the lower locking edge 16 in the container interior with the lower edge 27 of the hollow cylinder 8 is aligned or the upper locking edge 15 rests on the upper edge 28 of the hollow cylinder 8, as in Figure 3c shown.
  • the recesses 13 are at the level of the pierced ventilation opening bounding portion 4a of the container wall 4 and thereby form a Ventilation duct, which allows pressure equalization between the interior of the tank and the environment ( FIG. 3b ).
  • the upper locking edge 15 is to prevent the mandrel 6 automatically, so without external force only due to gravity, further slide into the container interior and thereby close the ventilation duct.
  • the mandrel 6 can, by itself, slip into the interior of the container at most until the upper locking edge 15 rests on the upper edge 28 of the hollow cylinder 8, as in FIG Figure 3c shown.
  • In the reverse position of the container 1 prevents the lower locking edge 16 in an appropriate manner, an automatic slipping out of the mandrel 6 from the vent, because the mandrel 6 can at most as far slip out of the container interior until the lower locking edge 16 rests on the lower edge 27 of the hollow cylinder 8.
  • the vent opening can be closed by the mandrel 6 is pushed further into the container interior until the bottom of the head portion 11 rests on the top 28 of the hollow cylinder 8, as in FIG. 3a shown.
  • the conical shaft extension 14 engages in a clamping manner in the upper region of the hollow cylinder 8 and thereby closes the ventilation opening, as in FIG. 3a shown.
  • the invention is characterized in that by means of the pointed tool in the form of the dome 6 in a simple way a ventilation opening can be inserted into the flow cup.
  • a ventilation opening can be inserted into the flow cup.

Landscapes

  • Nozzles (AREA)
  • Containers And Packaging Bodies Having A Special Means To Remove Contents (AREA)
  • Closures For Containers (AREA)
  • Coating Apparatus (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)
  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)

Abstract

Gravity flow reservoir for a spray gun has a container (1) on which a lid (2) can be placed. The lid has a connection part (3) for connecting it to the spray gun or an adapter. The wall (4) of the container has a delimited area (5) that can be penetrated using a pointed tool (6) to form a vent hole. The tool is connected to the lid so that is readily available. An independent claim is made for use of a pointed tool with a shaft (10), a head part (11) and a spike (12) for puncturing a vent hole in the wall of a spray gun paint reservoir.

Description

Die Erfindung betrifft einen Fließbecher für eine Farbspritzpistole nach dem Oberbegriff des Anspruchs 1 sowie ein Spitzwerkzeug, insbesondere ein Dorn, zum Durchstoßen einer Belüftungsöffnung in die Wand eines Farbbechers für eine Farbspritzpistole nach dem Oberbegriff des Anspruchs 6 sowie ein Farbbechersystem, bestehend aus einem Fließbecher und einem Spitzwerkzeug.The invention relates to a flow cup for a paint spray gun according to the preamble of claim 1 and a pointed tool, in particular a mandrel, for piercing a ventilation opening in the wall of a paint cup for a paint spray gun according to the preamble of claim 6 and a paint cup system consisting of a flow cup and a Spitz tool.

Im Stand der Technik ist aus der DE 35 26 819 A1 ein Spender für pastöse Massen bekannt, der ein Spendergehäuse mit einem darin verschieblich angeordneten Kolben umfasst, wobei das Spendergehäuse bodenseitig durch eine Membran luftdicht verschlossen ist und einen über den Aufstellrand des Spendergehäuses vorstehenden Membran-Durchstechstift aufweist, mit dem die Membran durchstochen werden kann. Aus dem Stand der Technik sind weiterhin Gefäße zur Vakuumkonservierung, insbesondere von Lebens- und Genussmitteln bekannt, wie beispielsweise aus der CH 203668-A , wobei dieses darin beschriebene Gefäß über einen Deckel verfügt, in dem eine leicht durchstechbare Stelle vorgesehen ist, um ein Luftloch in den Deckel stechen zu können. Aus der FR 2570140-A ist ein Durchstechstift bekannt.In the prior art is from the DE 35 26 819 A1 a dispenser for pasty masses known which comprises a dispenser housing with a displaceably arranged therein the piston, wherein the dispenser housing is closed airtight by a membrane on the bottom side and above the Aufstellrand of the dispenser housing protruding membrane piercing, with which the membrane can be pierced. From the prior art vessels are still known for vacuum preservation, especially of food and beverages, such as from the CH 203668-A , wherein this vessel described therein has a lid in which an easily pierceable point is provided to pierce an air hole in the lid can. From the FR 2570140-A a piercing pin is known.

Aus dem Stand der Technik der Farbspritzpistolen, beispielsweise der US 6,536,687 B1 und der FR 2 774 928-A , sind Fließbecher für Farbspritzpistolen nach dem Oberbegriff des Anspruchs 1 bekannt. Diese umfassen einen Behälter aus Kunststoff und einen darauf aufsetzbaren Deckel zum Verschließen des Behälters. An der Deckeloberseite sind Anschlussmittel zum Aufsetzen und Befestigen des Fließbechers auf eine Farbspritzpistole vorgesehen. Der Fließbecher wird hierbei "upside down", also mit der Deckelseite nach unten auf die Farbspritzpistole aufgesetzt. Die in dem Fließbecher befindliche Farbe fließt dann aufgrund der Schwerkraft nach unten in den Farbeinlaufkanal der Farbspritzpistole. Um den schwerkraftgetriebenen Fluss der Farbe zu ermöglichen, ist ein Druckausgleich innerhalb des Farbbechers erforderlich. Hierzu wird - wie in den genannten Druckschriften beschrieben - in den Behälterboden oder in der Seitenwand des Behälters nahe des Behälterbodens mittels einer Nadel eine Belüftungsöffnung eingestochen, nachdem der Farbbehälter "upside down", also mit dem Behälterboden nach oben, auf die Farbspritzpistole aufgesetzt wurde.From the prior art of paint spray guns, such as the US 6,536,687 B1 and the FR 2 774 928-A , Flow cup for paint spray guns are known according to the preamble of claim 1. These comprise a container made of plastic and a lid which can be placed thereon for closing the container. At the top of the cover connecting means for mounting and securing the fluid reservoir are provided on a paint spray gun. The flow cup is placed "upside down", ie with the lid side down on the paint spray gun. The paint in the flow cup then flows downwardly into the paint feed channel of the paint spray gun due to gravity. In order to allow the gravity-driven flow of the paint, a pressure equalization within the paint cup is required. For this purpose - as described in the cited documents - in the container bottom or in the side wall of the container near the container bottom by means of a needle inserted a vent after the ink container "upside down", ie with the container bottom up, was placed on the paint spray gun.

Zum Einbringen der Belüftungsöffnung in die Behälterwand ist ein separates Spitzwerkzeug, beispielsweise eine Nadel oder ein Dorn, erforderlich. Ein solches Werkzeug ist häufig nicht jederzeit verfügbar. Weiterhin erweist sich das Durchstoßen der regelmäßig aus Hartkunststoff bestehenden Behälterwand auch mit einem geeigneten Spitzwerkzeug als schwierig. Darüber hinaus besteht die Gefahr, dass durch das Eindrücken einer Öffnung in die Behälterwand Kunststoffspäne oder -teile in den mit Farbe gefüllten Farbbecher fallen.To insert the ventilation opening in the container wall, a separate pointed tool, such as a needle or a mandrel is required. Such a tool is often not available at all times. Furthermore, the piercing of the regularly made of hard plastic container wall proves to be difficult with a suitable pointed tool. In addition, there is the danger that fall by impressing an opening in the container wall plastic chips or parts in the color cup filled with paint.

Ausgehend von diesen Nachteilen, welche den bekannten Fließbechern anhaften, liegt der Erfindung die Aufgabe zugrunde, ein Farbbechersystem für eine Farbspritzpistole bereitzustellen, welches ein einfaches, schnelles und unkompliziertes Einbringen einer Belüftungsöffnung in die Behälterwand des Fließbechers ermöglicht und hierbei vermeidet, dass Späne oder Kunststoffteile in den Fließbecher gelangen.Based on these disadvantages, which adhere to the known flow cups, the invention has the object to provide a paint cup system for a paint spray gun, which a simple, fast and easy introduction of a Ventilation opening in the container wall of the flow cup allows and thereby avoids that chips or plastic parts get into the flow cup.

Gelöst wird diese Aufgabe mit einem Fließbecher mit den Merkmalen des Anspruchs 1, einem Spitzwerkzeug, insbesondere Dorn, mit den Merkmalen des Anspruchs 6 sowie mit einem Farbbechersystem, bestehend aus einem Fließbecher nach Anspruch 1 und einem Spitzwerkzeug nach Anspruch 6. Vorteilhafte Ausführungsbeispiele des Fließbechers bzw. des Spitzwerkzeugs sind den Unteransprüchen 2 bis 5 bzw. 7 bis 10 zu entnehmen. Die abhängigen Ansprüche 11 und 12 betreffen ein Farbbechersystem, bestehend aus einem Fließbecher und einem Spitzwerkzeug.This object is achieved with a flow cup having the features of claim 1, a pointed tool, in particular mandrel, with the features of claim 6 and with a paint cup system consisting of a flow cup according to claim 1 and a pointed tool according to claim 6. Advantageous embodiments of the fluid cup or of the pointed tool can be found in the dependent claims 2 to 5 or 7 to 10. The dependent claims 11 and 12 relate to a paint cup system consisting of a flow cup and a pointed tool.

Die Erfindung wird nachfolgend unter Bezugnahme auf die begleitenden Zeichnungen anhand eines Ausführungsbeispiels näher erläutert. Die Zeichnungen zeigen:

Figur 1:
Seitenansicht eines Fließbechers mit einem Behälter und einem darauf aufsetzbaren Deckel sowie Detailansichten hierzu (Details X, U, Y, Z);
Figur 2:
Schnittdarstellungen eines Doms wie in Figur 1 in der Detailansicht "Y" dargestellt, wobei die Darstellung nach Figur 2a einen Schnitt durch die Blattebene der Darstellung "Y" der Figur 1 und die Darstellung nach Figur 2b einen Schnitt durch eine hierzu senkrechte Ebene zeigt;
Figuren 3:
Darstellung des Detailsbereichs "U" von Figur 1 mit in die Behälterwand eingedrücktem Dorn in verschiedenen Stellungen, wobei die Darstellungen nach Figur 3a und 3b im Schnitt und die Darstellung der Figur 3c im Halbschnitt gezeigt sind.
The invention will be explained in more detail below with reference to the accompanying drawings with reference to an embodiment. The drawings show:
FIG. 1:
Side view of a flow cup with a container and a lid which can be placed thereon, as well as detailed views (details X, U, Y, Z);
FIG. 2:
Sectional views of a cathedral as in FIG. 1 in the detail view "Y" shown, the representation after FIG. 2a a section through the leaf level of the representation "Y" of FIG. 1 and the representation after FIG. 2b shows a section through a plane perpendicular thereto;
FIGS. 3:
Representation of the detail area "U" of FIG. 1 with pressed into the container wall mandrel in different positions, the illustrations after Figure 3a and 3b in the section and the representation of the Figure 3c shown in half section.

In der Figur 1 ist ein Fließbecher für eine Farbspritzpistole dargestellt, welcher einen Behälter 1 und einen darauf über ein Gewinde 18 aufschraubbaren Deckel 2 umfasst. Der Fließbecher ist hierbei in Figur 1 in der Position dargestellt, in welcher der Fließbecher auf die Farbspritzpistole aufgesetzt wird, also mit der Oberseite des Deckels 2 nach unten. Der Deckel 2 weist an seiner Oberseite einen Auslassstutzen 19 mit einer Auslassöffnung 20 auf. An der Außenseite des Auslassstutzens 19 ist ein Anschlussteil 3 angeformt. Das Anschlussteil 3 dient zum Aufsetzen und zum Befestigen des Fließbechers auf eine Farbspritzpistole bzw. auf einem zwischen der Farbspritzpistole und dem Fließbecher angeordneten Adapter. In dem in Figur 1 dargestellten Ausführungsbeispiel umfasst das Anschlussteil 3 ein Gewinde 21 und eine keilförmige Nut 22, welche mit korrespondierenden Anschlussteilen der Farbspritzpistole, nämlich einem entsprechenden Innengewinde und einem Zapfen zum Eingreifen in die Nut 22 zusammenwirken.In the FIG. 1 a flow cup for a paint spray gun is shown, which comprises a container 1 and a lid 2 which can be screwed onto it via a thread 18. The gravity cup is here in FIG. 1 shown in the position in which the flow cup is placed on the paint spray gun, ie with the top of the lid 2 down. The lid 2 has on its upper side an outlet nozzle 19 with an outlet opening 20. On the outside of the outlet nozzle 19, a connection part 3 is formed. The Connecting part 3 is used for placing and attaching the flow cup on a paint spray gun or on an arranged between the paint spray gun and the flow cup adapter. In the in FIG. 1 illustrated embodiment, the connecting part 3 comprises a thread 21 and a wedge-shaped groove 22 which cooperate with corresponding connection parts of the paint spray gun, namely a corresponding internal thread and a pin for engagement in the groove 22.

Der Behälter 1 ist becherförmig mit einem kreisrunden Behälterboden und einer vom Behälterboden aus sich nach oben leicht konisch erweiternden Seitenwand ausgebildet. Die den Behälterboden bzw. die Seitenwand bildende Behälterwand ist hier mit Bezugszeichen 4 gekennzeichnet. Die Behälterwand 4 wird im Spritzgußverfahren in einem Stück aus Kunststoff hergestellt. Im Bodenteil des Behälters 1 ist ein abgegrenzter Bereich 5 vorgesehen. Dieser abgegrenzte Bereich 5 dient dem späteren Einbringen einer Belüftungsöffnung und ist von dem ihn umgebenden Bereich 4a der Behälterwand 4 dadurch abgegrenzt, indem er einerseits als Membran 7 mit einer geringeren Dicke als die Dicke des den Bereich 5 umgebenden Bereichs 4a ausgebildet ist und andererseits von einer Führungsfläche 9a umgrenzt ist, welche beim späteren Durchstechen der Belüftungsöffnung zur Führung des Spitzwerkzeugs dienen soll. Die Führungsfläche 9a ist bei dem hier zeichnerisch dargestellten Ausführungsbeispiel von der Innenseite einer im wesentlichen senkrecht zur Behälterwand (4) stehenden Wandung (9) eines Hohlzylinders (8) gebildet. Der Hohlzylinder 8 mit seiner radial umlaufenden Wandung 9 und die Membran 7, welche etwa im Bereich der Grundfläche des Hohlzylinders 8 verläuft, sind in der Detailansicht "U" der Figur 1 zu erkennen.The container 1 is cup-shaped with a circular container bottom and formed from the container bottom up slightly conically widening side wall. The container wall forming the container bottom or the side wall is identified here by reference numeral 4. The container wall 4 is produced by injection molding in one piece from plastic. In the bottom part of the container 1, a delimited area 5 is provided. This demarcated area 5 serves for the later introduction of a ventilation opening and is thereby delimited from the surrounding area 4a of the container wall 4 by being formed on the one hand as a membrane 7 with a smaller thickness than the thickness of the area 4a surrounding the area 5 and on the other hand by a Guiding surface 9a is bounded, which is to serve for guiding the pointed tool during later piercing the ventilation opening. The guide surface 9a is formed in the embodiment illustrated here by the drawing of the inside of a substantially perpendicular to the container wall (4) wall (9) of a hollow cylinder (8). The hollow cylinder 8 with its radially encircling wall 9 and the membrane 7, which extends approximately in the region of the base surface of the hollow cylinder 8, are in the detail view "U" of FIG. 1 to recognize.

Am Becherboden sind ferner zwei, über die Behälterwand 4 nach außen vorstehende Hohlzylinder 29 und 30 angeformt.At the bottom of the cup two further, over the container wall 4 outwardly projecting hollow cylinder 29 and 30 are formed.

An dem Deckel 2 sind jeweils über Abreißlaschen 17, 23 ein Dorn 6 und eine Verschlusskappe 24 angeformt. Die Abreißlaschen 17 und 23 sind als Sollbruchstellen ausgebildet, damit der Dorn 6 und die Verschlusskappe 24 vom Deckel 2 manuell ohne Zuhilfenahme von Werkzeug abgerissen werden können. Die Verschlusskappe 24 dient zum Verschluss der Öffnung 20 des Deckels 2. Der Dorn 6 dient dem Einbringen einer Belüftungsöffnung in dem abgegrenzten Bereich 5 der Behälterwand 4.On the cover 2, a mandrel 6 and a closure cap 24 are formed in each case via tear-off tabs 17, 23. The tear-off tabs 17 and 23 are designed as predetermined breaking points, so that the mandrel 6 and the closure cap 24 can be torn off the lid 2 manually without the aid of tools. The closure cap 24 serves to close the opening 20 of the lid 2. The mandrel 6 serves to introduce a ventilation opening in the delimited region 5 of the container wall 4.

Der in der Detailansicht "Y" der Figur 1 in einer Seitenansicht und in der Figur 2 in Schnittdarstellungen gezeigte Dorn 6 weist einen zylindrischen Schaft 10 und ein, an einem Ende des Schafts angeordnetes Kopfteil 11 auf. Der an das Kopfteil (11) angrenzende Ansatz (14) des Schafts erweitert sich konisch zum Kopfteil (11) hin. Das freie Ende 25 des Schafts 10 ist zur Bildung einer Spitze 12 abgeschrägt. Der Durchmesser des Schafts im Bereich des freien Endes 25 entspricht dem Innendurchmesser des am Boden des Fließbechers angeordneten Hohlzylinders 8. Im mittleren Bereich des Schafts 10 sind am Schaftumfang zwei, an diametral gegenüberliegenden Stellen angeordnete Aussparungen 13 ausgebildet. Weiterhin weist der Schaft 10 eine umlaufende Ringnut 26 (Figur 3c) mit einem geringfügig kleineren Durchmesser als der übrige Schaftbereich auf. Durch die Ringnut 26 sind am Schaftumfang zwei radial umlaufende und im Abstand zueinander angeordnete Rastkanten 15 und 16 ausgebildet. Die Aussparungen 13 erstrecken sich in Längsrichtung des Schaftes über eine Höhe, welche in etwa der halben Schaftlänge entspricht und sind bezüglich der Rastkanten 15, 16 so angeordnet, dass sie über beide hinausragen, wie in der Detaildarstellung "Y" der Figur 1 dargestellt.The detail view "Y" of the FIG. 1 in a side view and in the FIG. 2 Mandrel 6 shown in sectional views has a cylindrical shank 10 and a head part 11 arranged at one end of the shank. The extension (14) of the shaft adjoining the head part (11) expands conically towards the head part (11). The free end 25 of the shaft 10 is chamfered to form a tip 12. The diameter of the shaft in the region of the free end 25 corresponds to the inner diameter of the hollow cylinder 8 arranged at the bottom of the fluid bowl. In the middle region of the shaft 10, two recesses 13 arranged at diametrically opposite points are formed on the shaft periphery. Furthermore, the shaft 10 has a circumferential annular groove 26 (FIG. Figure 3c ) with a slightly smaller diameter than the rest of the shaft area. Through the annular groove 26, two radially encircling and spaced apart locking edges 15 and 16 are formed on the shaft circumference. The recesses 13 extend in the longitudinal direction of the shaft over a height which corresponds approximately to half the shaft length and with respect to the locking edges 15, 16 arranged so that they protrude beyond both, as in the detailed representation "Y" of FIG. 1 shown.

Das aus dem Fließbecher und dem Dorn 6 bestehende Farbbechersystem wird wie folgt verwendet:The paint cup system consisting of the flow cup and the mandrel 6 is used as follows:

Zunächst wird der Behälter 1 auf den Behälterboden gestellt und der Deckel 2 wird abgeschraubt. Danach kann der Behälter 1 mit Farbe befüllt und der Deckel 2 zum Verschließen des Behälters 1 aufgeschraubt werden. Der Behälter 1 mit aufgeschraubtem Deckel 2 wird dann umgedreht und auf die Farbspritzpistole aufgesetzt. Anschließend wir mit Hilfe des vom Deckel 2 abgerissenen Doms 6 eine Belüftungsöffnung in dem abgegrenzten Bereich 5 der Behälterwand 4 eingestochen. Hierzu wird die Spitze 12 des Doms 6 durch die Membran 7 gedrückt, wodurch die Membran 7 zerreißt. Die ins Behälterinnere vorstehende Wandung 9 des Hohlzylinders 8 dient beim Einführen des Doms 6 als Führung für den Schaft 10.First, the container 1 is placed on the container bottom and the lid 2 is unscrewed. Thereafter, the container 1 can be filled with paint and the lid 2 are screwed to close the container 1. The container 1 with the lid 2 screwed on is then turned over and placed on the paint spray gun. Subsequently, with the help of the torn off from the cover 2 Doms 6 a ventilation hole in the delimited area 5 of the container wall 4 pierced. For this purpose, the tip 12 of the mandrel 6 is pressed through the membrane 7, whereby the membrane 7 tears. The wall 9 of the hollow cylinder 8 projecting into the interior of the container serves as a guide for the shaft 10 when the mandrel 6 is inserted.

Der Dorn 6 wird anschließend weiter in das Behälterinnere gedrückt, bis die untere Rastkante 16 im Behälterinneren mit der Unterkante 27 des Hohlzylinders 8 fluchtet bzw. die obere Rastkante 15 auf der Oberkante 28 des Hhlzylinders 8 aufliegt, wie in Figur 3c gezeigt. In dieser Stellung befinden sich die Aussparungen 13 auf Höhe des die eingestochene Belüftungsöffnung umgrenzenden Bereichs 4a der Behälterwand 4 und bilden dadurch einen Belüftungskanal, durch den ein Druckausgleich zwischen dem Behälterinneren und der Umgebung ermöglicht wird (Figur 3b).The mandrel 6 is then pressed further into the container interior until the lower locking edge 16 in the container interior with the lower edge 27 of the hollow cylinder 8 is aligned or the upper locking edge 15 rests on the upper edge 28 of the hollow cylinder 8, as in Figure 3c shown. In this position, the recesses 13 are at the level of the pierced ventilation opening bounding portion 4a of the container wall 4 and thereby form a Ventilation duct, which allows pressure equalization between the interior of the tank and the environment ( FIG. 3b ).

Die obere Rastkante 15 soll verhindern, dass der Dorn 6 selbsttätig, also ohne äußere Krafteinwirkung nur aufgrund der Schwerkraft, weiter in das Behälterinnere rutschen und dadurch den Belüftungskanal verschließen kann. Der Dorn 6 kann nämlich von selbst höchstens soweit in das Behälterinnere rutschen, bis die obere Rastkante 15 auf der Oberkante 28 des Hohlzylinders 8 aufliegt, wie in Figur 3c gezeigt. Bei umgekehrter Stellung des Behälters 1 verhindert die untere Rastkante 16 in entsprechender Weise ein selbsttätiges Herausrutschen des Doms 6 aus der Belüftungsöffnung, weil der Dorn 6 höchstens soweit aus dem Behälterinneren herausrutschen kann, bis die untere Rastkante 16 auf der Unterkante 27 des Hohlzylinders 8 aufliegt.The upper locking edge 15 is to prevent the mandrel 6 automatically, so without external force only due to gravity, further slide into the container interior and thereby close the ventilation duct. The mandrel 6 can, by itself, slip into the interior of the container at most until the upper locking edge 15 rests on the upper edge 28 of the hollow cylinder 8, as in FIG Figure 3c shown. In the reverse position of the container 1 prevents the lower locking edge 16 in an appropriate manner, an automatic slipping out of the mandrel 6 from the vent, because the mandrel 6 can at most as far slip out of the container interior until the lower locking edge 16 rests on the lower edge 27 of the hollow cylinder 8.

Nach Abschluss des Lackierprozesses kann die Belüftungsöffnung verschlossen werden, indem der Dorn 6 weiter in das Behälterinnere gedrückt wird, bis die Unterseite des Kopfteils 11 auf der Oberseite 28 des Hohlzylinders 8 aufliegt, wie in Figur 3a gezeigt. In dieser Position greift der konisch ausgebildete Schaftansatz 14 klemmend in den oberen Bereich des Hohlzylinders 8 ein und verschließt dadurch die Belüftungsöffnung, wie in Figur 3a gezeigt.After completion of the painting process, the vent opening can be closed by the mandrel 6 is pushed further into the container interior until the bottom of the head portion 11 rests on the top 28 of the hollow cylinder 8, as in FIG. 3a shown. In this position, the conical shaft extension 14 engages in a clamping manner in the upper region of the hollow cylinder 8 and thereby closes the ventilation opening, as in FIG. 3a shown.

Gegenüber den bekannten Farbbechersystemen zeichnet sich die Erfindung dadurch aus, dass mittels des Spitzwerkzeugs in Form des Doms 6 auf einfache Art eine Belüftungsöffnung in den Fließbecher eingestochen werden kann. Hierzu ist der zum Einbringen der Belüftungsöffnung vorgesehene Bereich der Behälterwand des Fließbechers abgegrenzt und so ausgebildet, dass ein einfacheres Durchstoßen einer Öffnung ermöglicht wird, beispielsweise durch die in das Behälterinnere ragende Führungsfläche und die leicht mit einem Spitzwerkzeug durchstoßbare dünne Membran 7.Compared with the known paint cup systems, the invention is characterized in that by means of the pointed tool in the form of the dome 6 in a simple way a ventilation opening can be inserted into the flow cup. For this purpose, provided for introducing the ventilation opening portion of the container wall of the flow cup is delimited and designed so that a simpler puncture of an opening is made possible, for example by the projecting into the container interior guide surface and easily pierceable with a pointed tool thin membrane. 7

Claims (11)

  1. Fluid reservoir for a paint spray gun with a container (1) and a cover (2) which can be placed thereon and has a connecting part (3) in order to place the fluid reservoir on the paint spray gun or an adaptor, characterised in that a delimited region (5) is formed in the wall (4) of the container (1) and can be pierced by a pointed tool (6) to form a ventilation opening, the delimited region (5) being defined by a guide face (9a), which is used to guide the pointed tool when piercing the ventilation opening.
  2. Fluid reservoir according to claim 1, characterised in that the delimited region (5) is easier to pierce than the remaining region of the container wall (4).
  3. Fluid reservoir according to claim 1 or 2, characterised in that the delimited region is formed by a membrane (7), which consists of a material with a lower strength than the material of the container wall (4) and/or which has smaller thickness than the thickness of the region (4a) of the container wall (4) surrounding it.
  4. Fluid reservoir according to any one of claims 1 to 3, characterised in that the guide face (9a) is formed by the inside of a wall (9) of a hollow cylinder (8) that is substantially perpendicular to the container wall (4).
  5. Fluid reservoir according to claim 4, characterised in that the wall (9) of the hollow cylinder (8) projects into the interior of the container (1).
  6. Paint reservoir system for a paint spray gun, consisting of a fluid reservoir according to any one of claims 1 to 5 and a pointed tool (6) comprising
    - a shaft (10), on the periphery of which at least one recess (13) is provided
    - a head part (11) arranged thereon
    - and a point (12) at the end of the shaft,
    wherein the pointed tool (6) is used to pierce a ventilation opening in the wall (4) of the paint reservoir and the recess (13) forms a ventilation channel, when the pointed tool (6), after the piercing of the ventilation opening, is inserted therein to such an extent that the recess (13) is located at the height of the region (4a) of the container wall (4) defining the ventilation opening.
  7. Paint reservoir system according to claim 6, characterised in that the shaft (10) is cylindrical and at least the beginning (14) of the shaft adjoining the head part (11) or the whole shaft (10) widens conically toward the head part (11).
  8. Paint reservoir system according to claim 6 or 7, characterised in that the recess (13) in the longitudinal direction of the shaft (10) extends over a height (H), which corresponds to about half the shaft length.
  9. Paint reservoir system according to any one of claims 6 to 8, characterised in that two peripheral latching edges (15, 16) arranged at a spacing from one another are provided on the periphery of the shaft.
  10. Paint reservoir system according to claim 9, characterised in that the or each recess (13) in the longitudinal direction of the shaft extends at least between the two latching edges (15, 16), preferably beyond them.
  11. Paint reservoir system according to claim 6, characterised in that the pointed tool (6) is moulded on the cover (2) by means of a pull-off tab (17).
EP05701008A 2004-01-22 2005-01-18 Paint reservoir system for a paint spraying gun Not-in-force EP1708822B1 (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
PL09167448T PL2111920T3 (en) 2004-01-22 2005-01-18 Use of pointed tool for piercing a venting opening in the wall of a paint container for a paint spray gun
EP09167448.1A EP2111920B1 (en) 2004-01-22 2005-01-18 Use of pointed tool for piercing a venting opening in the wall of a paint container for a paint spray gun

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004003439.7A DE102004003439B4 (en) 2004-01-22 2004-01-22 Paint cup system for a paint spray gun
PCT/EP2005/000435 WO2005070557A1 (en) 2004-01-22 2005-01-18 Paint reservoir system for a paint spraying gun

Related Child Applications (2)

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EP09167448.1A Division EP2111920B1 (en) 2004-01-22 2005-01-18 Use of pointed tool for piercing a venting opening in the wall of a paint container for a paint spray gun
EP09167448.1 Division-Into 2009-08-07

Publications (2)

Publication Number Publication Date
EP1708822A1 EP1708822A1 (en) 2006-10-11
EP1708822B1 true EP1708822B1 (en) 2010-03-24

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EP05701008A Not-in-force EP1708822B1 (en) 2004-01-22 2005-01-18 Paint reservoir system for a paint spraying gun
EP09167448.1A Active EP2111920B1 (en) 2004-01-22 2005-01-18 Use of pointed tool for piercing a venting opening in the wall of a paint container for a paint spray gun

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US (1) US7819341B2 (en)
EP (2) EP1708822B1 (en)
JP (1) JP4436370B2 (en)
CN (1) CN100455360C (en)
AT (1) ATE461752T1 (en)
DE (2) DE102004003439B4 (en)
HK (1) HK1096057A1 (en)
PL (1) PL2111920T3 (en)
TW (1) TWI309584B (en)
WO (1) WO2005070557A1 (en)

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Also Published As

Publication number Publication date
EP2111920B1 (en) 2014-11-19
PL2111920T3 (en) 2015-04-30
JP2007518554A (en) 2007-07-12
EP2111920A3 (en) 2013-02-27
US20080179763A1 (en) 2008-07-31
CN100455360C (en) 2009-01-28
ATE461752T1 (en) 2010-04-15
DE102004003439B4 (en) 2022-02-03
DE502005009274D1 (en) 2010-05-06
DE102004003439A1 (en) 2005-08-18
TW200533423A (en) 2005-10-16
JP4436370B2 (en) 2010-03-24
EP2111920A2 (en) 2009-10-28
HK1096057A1 (en) 2007-05-25
CN1909970A (en) 2007-02-07
US7819341B2 (en) 2010-10-26
EP1708822A1 (en) 2006-10-11
TWI309584B (en) 2009-05-11
WO2005070557A1 (en) 2005-08-04

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