WO1989005694A1 - Appareil de nettoyage d'objets souilles par de la peinture - Google Patents

Appareil de nettoyage d'objets souilles par de la peinture Download PDF

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Publication number
WO1989005694A1
WO1989005694A1 PCT/US1988/004561 US8804561W WO8905694A1 WO 1989005694 A1 WO1989005694 A1 WO 1989005694A1 US 8804561 W US8804561 W US 8804561W WO 8905694 A1 WO8905694 A1 WO 8905694A1
Authority
WO
WIPO (PCT)
Prior art keywords
lid
ribs
paint
spray
engaging
Prior art date
Application number
PCT/US1988/004561
Other languages
English (en)
Inventor
Richard A. Robb
Michael J. Grubb
Original Assignee
Herkules Equipment Corporation
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 Herkules Equipment Corporation filed Critical Herkules Equipment Corporation
Priority to EP89901218A priority Critical patent/EP0395716B1/fr
Priority to DE3851154T priority patent/DE3851154D1/de
Publication of WO1989005694A1 publication Critical patent/WO1989005694A1/fr

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B11/00—Cleaning flexible or delicate articles by methods or apparatus specially adapted thereto
    • B08B11/02—Devices for holding articles during cleaning
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05B—SPRAYING APPARATUS; ATOMISING APPARATUS; NOZZLES
    • B05B15/00—Details of spraying plant or spraying apparatus not otherwise provided for; Accessories
    • B05B15/50—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter
    • B05B15/55—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids
    • B05B15/555—Arrangements for cleaning; Arrangements for preventing deposits, drying-out or blockage; Arrangements for detecting improper discharge caused by the presence of foreign matter using cleaning fluids discharged by cleaning nozzles
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/02—Cleaning by the force of jets or sprays

Definitions

  • the present invention relates to a system for automatically cleaning paint laden objects and more particularly to a system for cleaning paint cups, normally used with spray guns, paint cans and associated lids including mixing lids.
  • the invention comprises: a paint removal system for cleaning paint from a hollow object such as a paint can or gun cup comprising: a work chamber and a fluid storage reservoir containing a cleaning agent such as paint solvent or cleaning fluid; a manifold including at least one outlet adapted to receive pressurized solvent; means for recirculating solvent from said reservoir to said manifold; means for supporting the hollow object in an inverted position including: conduit means extending upwardly and in fluid communication with the manifold; a plurality of spray nozzles oriented at angles relative to an axis of the conduit means and in fluid communications therewith; bracket means, rotatable relative to the conduit means including a central member and a plurality of outwardly extending ribs over which the inverted hollow object may be placed.
  • Bracket means for securing the object, rotatable relative to a conduit means including a central member and a plurality of outwardly extending ribs; means are fitted to the ribs for engaging the peripheral edge of the flat object.
  • FIGURES 1 and 2 illustrates a system for washing or cleaning paint laden objects.
  • FIGURES 3 and 4 illustrate a mechanism for cleaning of hollow objects such as cups and cans.
  • FIGURES 5 and 6 illustrate a mechanism for cleaning a lid for a paint can.
  • FIGURE 7 illustrates an alternate embodiment of the invention.
  • FIGURE 1 illustrates an orthogonal view of the present invention. More specifically there is shown a cleaning system 10 comprising a housing, generally designated as 12.
  • the housing 12 includes a generally rectangular upper member 14.
  • the member 14 terminates at a circumferential shoulder 16.
  • Extending downwardly from the member 14 is a second or lower member 18 having a shape resembling that of a truncated, right rectangular pyramid.
  • the member 18 terminates at a bottom 20.
  • Extending from the bottom 18 is a drain valve 22.
  • the housing 12 is supported by a plurality of supports or legs 24a-d, a top support 26 and a plurality of lateral supports 28 which engage the shoulder 16.
  • the support 26 also serves to rigidify the housing 12, especially if a plastic housing is used.
  • a hinged cover 32 received within a ledge or shoulder 27 of the housing 12.
  • a small amount of water, generally shown as 34, may optionally be placed within the lower portion of the member 18.
  • Above the water is located a larger volume of cleaning agent such as paint solvent 36. Solvent and water, if used, are poured into the housing through its open end 38.
  • the water 34 having a higher specific gravity than the paint solvent 36 will tend to the bottom of the member 18 where it and any dislodged paint can be periodically removed by opening the drain valve.
  • the pump 40 Upon removal of the dislodged paint additional water and/or solvent may then added to the solvent 36.
  • a pump 40 Secured to the support 24d is a pump 40. While an air actuated, pulsating pump is shown it is not a requirement of the invention.
  • the pump 40 includes an inlet 42 in communication with a filter 45 disposed in the solvent 36 and an outlet 44 situated above the solvent 36.
  • the outlet 44 is connected to a manifold assembly 52, as more clearly shown in FIGURE 2.
  • the pump 40 further includes an air inlet 46 adapted to receive pressurized air from a compressor or the like.
  • FIGURE 2 is a cross-sectional view of the housing and illustrates many of the major features of the present invention.
  • FIGURE 2 is an isolated view of the housing 12 and does not illustrate the support means or cover 32 shown is FIGURE 1.
  • the mesh 50 divides the housing 12 into a work chamber 72, separate from the solvent 36 and water 34, into which parts to be cleaned may be placed and also defines a surface 51 for supporting such parts.
  • the manifold assembly 52 Positioned below the mesh 50 is the manifold assembly 52, comprising a manifold 54, secured to the housing 12 by brackets 55 or other equivalent mounting means.
  • the manifold assembly 52 further includes an inlet 56 adapted to communicate with the output 44 of the pump 40 and a plurality of outlets
  • the manifold assembly outlets includes a first outlet 60 comprising a first tube 74 which extends through one of the openings 70a. Situated atop the tube
  • a cup 82 of a spray gun 84 may be positioned on the mesh 50 in an inverted manner about the spray head 80 to receive of the solvent 36.
  • Another manifold outlet such as outlet 62 comprising another tube 90 which includes a stepped bore 92 adapted to receive and support the spray gun 84.
  • the spray gun 84 illustrated in FIGURE 2 is of the syphon type and its inlet comprises a syphon tube 94 which is received and supported within the stepped bore 90.
  • manifold assembly 52 further includes additional outlets 64a-d. These additional outlets may comprise tubing extending from the manifold 54 into the work chamber 72. These outlets 64 extend from the manifold 54 and are located proximate the inner corners of the upper member 14. Fitted to each of these outlets
  • a spray nozzle 66 which is oriented to spray solvent upon the exposed portions of an object, such as the gun 84 and a cup, such as cup 82, lid, etc., thereby providing a source of solvent to clean the exposed surfaces of these parts.
  • FIGURE 3 illustrates another means for cleaning paint residue from paint cups and cans comprising a tube 302 adapted to be inserted into the manifold 54 in a manifold outlet such a 60.
  • the lower end of the pipe 302 is threaded at 304 for insertion into the manifold.
  • a substantially hollow member 306 is threadably attached to the pipe 302. Extending from the hollow member 306 are a plurality of spray nozzle 310a-c which are oriented at fixed angles relative to the axis of the hollow member 306. The purpose of the angled orientation of the nozzles is discussed below.
  • Supported above the member 306 is a cup or can support mechanism 320.
  • the support 320 includes a central member 322 having a passage 324.
  • ribs 326 support an inverted cup or can 330 shown in phantom lines.
  • the ends 328 of the ribs engage the can, This type of engage is by no means a limitation of the invention.
  • a alternate embodiment of the invention is illustrated in FIGURE 7.
  • the embodiment of FIGURES 3 and 4 includes three ribs 326a-c, however this also is not a limitation of the invention. As illustrated the ends 328a-c of the ribs 326 may terminate in a plane such that the bottom of the can may be supported in a generally horizontal orientation.
  • the central member 324 includes a passage 322. Extending through the passage 324 is stub member 334.
  • the stub member may be fabricated as an extension of the member 306 or as a separate member appropriately attached. It should be noted that the member 306 need not include a passage extending through its entire length, a partial bore is sufficient to communicate solvent to the various nozzles.
  • the central member 322 is axially secured to the stub member 334 by a fastener 336.
  • the central member 322 is sized relative to the stub member 334 so that it is free to rotate. As can be seen the central member 322 and stub member 334 cooperate to form a bushing therebetween. An additional bearing or bushing may be provided to reduce the friction at the sliding interface between the central member and stub member.
  • pressurized cleaning solvent is forced through the pipe 302 into the member 306 and through the nozzles 310a-c.
  • the nozzles are oriented at various angles relative to the member 306 and to the can 330 to be cleaned such that the spray emanating from the nozzles 310 impacts the interior of the can at an angle to produce a tangential component, T, (see FIGURE 4) of spray to rotate the can 330 and can support 320 about the stub member 334.
  • the nozzles are oriented to clean various sections of the can.
  • nozzle 310a may be directed downwardly toward the open end 340 of the can and toward nearby wall 342 portions.
  • Nozzle 310b may be orientated upwardly to clean the bottom 344 of the can and in particular the corner 322.
  • Nozzle 310c may be directed outwardly in a generally radial direction to clean the walls 346 of the can 330.
  • the exterior surfaces of the can 330 will be cleaned by the solvent emanating from the nozzles 66 positioned about the interior of the housing.
  • the spray from the nozzle may be oriented in a manner to cause the object ot rotate .
  • FIGURES 5 and 6 illustrate a device 360 for cleaning an object such as the lid 350.
  • This lid may be a conventional type lid of paint can, as illustrated, or a mixing lid known to those fimilar with painting processes. While a substantially flat lid is illustated in FIGURE 5 it should be appreciated that the present invention is usable with a wide variety of different shaped objects.
  • the lid 350 is show is phantom line in FIGURE 5.
  • the lid cleaning device 360 includes a substantilly hollow member 362, similar to the member 306 of FIGURE 3.
  • the member 362 is appropriately secured to the manifold 54.
  • a nozzle 364 extends, in fluid communication, from the member 362.
  • Rotatably supported above the member 362 is a lid support mechanism 370.
  • the lid support 370 includes a central member 372 having a passage 374 and a plurality of ribs 380 extending radially and upwardly therefrom.
  • the central member is rotationally supported relative to the member 362 by a stub member 376 similar to that discribed in FIGURE 3.
  • the spring loaded fastener includes a washer-like fastener 388 biased radially inwardwardly or outwardly by a spring 390.
  • a spring 390 biased radially inwardwardly or outwardly by a spring 390.
  • the spring could be mounted between the central member and the sliding fastener 388.
  • One end of the spring may be attached to the fastener 388 with the other end of the spring fixed to the rib or to the central member.
  • the fastener 388 To mount a lid upon the support, the fastener 388 is moved inwardly to compress the spring. In this position the spring will generate a bias force directed outwardly. In the illustrated embodiment one end of the spring 390 is secured by a retainer such as a spring clip 392. Prior to receipt of the lid 350 the fastener 388 is baised inwardly by the spring 390. To secure the lid 350 upon the lid support 370 the operator pushes an edge of the lid against the fastener 388 urging it outwardly 5 a sufficient amount to permit the opposing edges of the lid to be fitted against the fasteners 382a and b. In the clamped position the spring 390 secures the lid to the support 370.
  • pressurized solvent is forced through the manifold 54, member 362 and out through the nozzle 364.
  • the nozzle generates a spray substantilly radially outward having a tangential component sufficient to react against the lower surface
  • the top surface of the lid will be cleaned by the solvent emanating from the spray nozzles 66 positioned about the interior of the housing.
  • the spray nozzles 66 schematically 0 illustrated in FIGURES 5 and 6, may be oriented so that the spray tangentially impacts the lid causing or helping it to rotate.
  • FIGURE 7 illustrates still another embodiment of a 5 can support 400.
  • the support includes a rotatable central member 402 similar to those previously described. Extending from the central member are a plurality of ribs 404 which are spider or umbrella or fountain shaped.
  • the ribs 404 are preferrably resilient 0 so that they may be compressed radially, tangentially and/or axially. To place a can upon the ribs 404 the operator would fit the can about the top of the ribs and push the can downwardly radially compressing the ribs. After the can is in place, the ribs 404 will be naturally biased outwardly securing the can in place.
  • the operator may twist the ribs clockwise or counter-clockwise reducing the diameter (across the ribs) to permit entry within the small can.

Landscapes

  • Details Or Accessories Of Spraying Plant Or Apparatus (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

Un système de nettoyage d'objets souillés par de la peinture, tels que godets de pistolage, boîtes et couvercles de boîtes de peinture, comprend un logement fermé divisé en une chambre de travail (12) et en un réservoir de fluide (18) qui contient du solvant de peinture; un distributeur (52) de solvant, et des ajutages vaporisateurs (66) fixés au distributeur qui reçoivent le solvant pressurisé de ce dernier et le vaporisent. Un support rotatif (320) à branches (326) ou à bras soutient un objet creux tel qu'une boîte de peinture, comprend un conduit (302) en communication avec le distributeur, et soutient des ajutages vaporisateurs (310) qui dirigent un jet de solvant vaporisé sur l'objet creux et le mettent en rotation. Un autre support rotatif (360) soutient un objet plat tel que le couvercle d'une boîte de peinture et comprend un autre conduit (362) avec un ajutage (364) pour nettoyer la surface de l'objet plat et pour le mettre en rotation par rapport au jet de solvant vaporisé.
PCT/US1988/004561 1987-12-21 1988-12-20 Appareil de nettoyage d'objets souilles par de la peinture WO1989005694A1 (fr)

Priority Applications (2)

Application Number Priority Date Filing Date Title
EP89901218A EP0395716B1 (fr) 1987-12-21 1988-12-20 Appareil de nettoyage d'objets souilles par de la peinture
DE3851154T DE3851154D1 (de) 1987-12-21 1988-12-20 Gerät zum reinigen von mit farbe beaufschlagten teilen.

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US13591187A 1987-12-21 1987-12-21
US135,911 1987-12-21

Publications (1)

Publication Number Publication Date
WO1989005694A1 true WO1989005694A1 (fr) 1989-06-29

Family

ID=22470333

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/US1988/004561 WO1989005694A1 (fr) 1987-12-21 1988-12-20 Appareil de nettoyage d'objets souilles par de la peinture

Country Status (4)

Country Link
EP (1) EP0395716B1 (fr)
JP (1) JPH03504936A (fr)
DE (1) DE3851154D1 (fr)
WO (1) WO1989005694A1 (fr)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241039A (en) * 1990-02-07 1991-08-21 Ronald Elliott Cleaning apparatus and valves for use therewith
WO1997018903A1 (fr) * 1995-11-17 1997-05-29 Crystal Cap Cleaners Inc. Procede et appareil destines au nettoyage de pistolets pulverisateurs
US6418944B1 (en) 1996-11-18 2002-07-16 Kevin R. White Method and apparatus for cleaning spray guns
EP1346777A2 (fr) * 2002-03-21 2003-09-24 Dürr Systems GmbH Dispositif et procédé de mesure de la quantité d'encre déchargée par un dispositif applicateur

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2745418A (en) * 1953-08-10 1956-05-15 John A Balcom Apparatus for cleaning paint spray guns and containers utilized in conjunction therewith
US4236542A (en) * 1978-12-26 1980-12-02 National Printing Plate Company, Inc. Rotating fastener mechanism for holding a workpiece in a washing apparatus

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2745418A (en) * 1953-08-10 1956-05-15 John A Balcom Apparatus for cleaning paint spray guns and containers utilized in conjunction therewith
US4236542A (en) * 1978-12-26 1980-12-02 National Printing Plate Company, Inc. Rotating fastener mechanism for holding a workpiece in a washing apparatus

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2241039A (en) * 1990-02-07 1991-08-21 Ronald Elliott Cleaning apparatus and valves for use therewith
GB2241039B (en) * 1990-02-07 1993-09-08 Ronald Elliott Improvements in and relating to cleaning apparatus and to valves suitable for use therewith
WO1997018903A1 (fr) * 1995-11-17 1997-05-29 Crystal Cap Cleaners Inc. Procede et appareil destines au nettoyage de pistolets pulverisateurs
US6355114B1 (en) 1995-11-17 2002-03-12 Kevin R. White Method and apparatus for cleaning spray guns
US6418944B1 (en) 1996-11-18 2002-07-16 Kevin R. White Method and apparatus for cleaning spray guns
EP1346777A2 (fr) * 2002-03-21 2003-09-24 Dürr Systems GmbH Dispositif et procédé de mesure de la quantité d'encre déchargée par un dispositif applicateur
EP1346777A3 (fr) * 2002-03-21 2009-02-25 Dürr Systems GmbH Dispositif et procédé de mesure de la quantité d'encre déchargée par un dispositif applicateur

Also Published As

Publication number Publication date
JPH03504936A (ja) 1991-10-31
DE3851154D1 (de) 1994-09-22
EP0395716A1 (fr) 1990-11-07
EP0395716B1 (fr) 1994-08-17

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