EP0825930B1 - Mixing cover for paint vessels and the like - Google Patents

Mixing cover for paint vessels and the like Download PDF

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Publication number
EP0825930B1
EP0825930B1 EP97905387A EP97905387A EP0825930B1 EP 0825930 B1 EP0825930 B1 EP 0825930B1 EP 97905387 A EP97905387 A EP 97905387A EP 97905387 A EP97905387 A EP 97905387A EP 0825930 B1 EP0825930 B1 EP 0825930B1
Authority
EP
European Patent Office
Prior art keywords
mixing cover
mixing
cover
shutter
slider
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.)
Revoked
Application number
EP97905387A
Other languages
German (de)
French (fr)
Other versions
EP0825930A1 (en
Inventor
Carlo Desinano
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.)
Tecmec Srl
Original Assignee
Tecmec Srl
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
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Application filed by Tecmec Srl filed Critical Tecmec Srl
Publication of EP0825930A1 publication Critical patent/EP0825930A1/en
Application granted granted Critical
Publication of EP0825930B1 publication Critical patent/EP0825930B1/en
Anticipated expiration legal-status Critical
Revoked legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/06—Implements for stirring or mixing paints
    • B44D3/08—Implements for stirring or mixing paints for liquid or semi-liquid paints
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
    • B01F27/00—Mixers with rotary stirring devices in fixed receptacles; Kneaders
    • B01F27/80—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis
    • B01F27/88—Mixers with rotary stirring devices in fixed receptacles; Kneaders with stirrers rotating about a substantially vertical axis with a separate receptacle-stirrer unit that is adapted to be coupled to a drive mechanism
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B44—DECORATIVE ARTS
    • B44D—PAINTING OR ARTISTIC DRAWING, NOT OTHERWISE PROVIDED FOR; PRESERVING PAINTINGS; SURFACE TREATMENT TO OBTAIN SPECIAL ARTISTIC SURFACE EFFECTS OR FINISHES
    • B44D3/00—Accessories or implements for use in connection with painting or artistic drawing, not otherwise provided for; Methods or devices for colour determination, selection, or synthesis, e.g. use of colour tables
    • B44D3/12—Paint cans; Brush holders; Containers for storing residual paint
    • B44D3/127—Covers or lids for paint cans

Definitions

  • the present invention relates to a mixing cover construction, which has been specifically designed for paint vessels and the like.
  • mixing covers for paint vessels and the like are already available on the market, which covers are mainly constituted by a plate element which is tightly applied on the mouth portion of a paint and the like vessel, and which is provided with a mixing screw supporting shaft.
  • Such mixing cover is known e.g. from US-A-2 585 334.
  • This shaft is coupled to a motor, in order to cause the mixing screw element to be evenly rotated.
  • Prior covers are provided with a delivery spout which frequently is affected by great tightness problems, as well as further problems related to the removal of the product drops susceptible to be formed at the delivery spout.
  • the aim of the present invention is to overcome the above mentioned drawbacks, by providing a mixing cover, specifically designed for paint vessels and the like, which is provided with a delivery spout specifically designed for allowing both a partial opening and a full opening of the spout, while preventing drops or the like from forming, thereby allowing a perfect metering to be obtained.
  • a main object of the present invention is to provide such a mixing cover which can be applied to like size vessels, while providing a satisfactory operation.
  • Another object of the present invention is to provide such a mixing cover which is devoid of any deleterious leakages.
  • Yet another object of the present invention is to provide such a mixing cover construction which can be easily made starting from easily commercially available elements and materials and which, moreover, is very competitive from a mere economic standpoint.
  • a mixing cover specifically designed for paint vessels, comprising a plate element which can be tightly coupled to a vessel, and rotatably supporting a mixing screw element, characterized in that said mixing cover further comprises, on a delivery spout thereof, a shutter element adapted to provide a partial opening by sliding across said spout and a full opening by tilting said shutter element.
  • the mixing cover construction according to the present invention which has been specifically designed for paint vessels and the like, and which is generally indicated by the reference number 1, comprises a plate element 2 which can be associated with a vessel 3, and being provided with a gripping handle 4 radially extending and adjoining the product vessel 3.
  • a polygonal shaft 11 which, at the end portion thereof, supports a mixing screw element 12.
  • the plate element 2 in particular, defines a delivery spout 20, which is closed by a substantially laminar shutter element 21.
  • a main feature of the present invention is that the shutter element 21 can be slidably displaced in order to provide a partial opening, and then it being adapted to be turned to assume a tilted position, to fully open the passage through the delivery spout 20.
  • the shutter element 21 is provided with ears 22 which are pivoted to the end portions of a slider 23 which is slidably driven since it is restrained by a restraining pin 24 coupled to fork arms 25 projecting from the plate-like element.
  • the slider 23 is provided with a cross-member 26, therewith are engaged the driving arms 27 of a driving pushbutton 28 which is pivoted to said plate-like element.
  • Spring means are moreover provided for holding the shutter element 21 in a closed condition and which, in particular, comprise coil springs 30 associated with an end portion of the pin 24.
  • this pin will be pressed on the slider 23, the springs engaging, at the other end portions thereof, with said slider, near said cross-member, and extending on a transmission pin 31 rigid with said plate-like element.
  • the mentioned springs 30 will provide on the slider a pulling force so as to hold the shutter element 21 pressed on the spout.
  • the shutter element 21 comprises moreover, as shown, guide pins 35 projecting laterally with respect to said shutter element 21.
  • the abutment elements 36 are formed on shoulders 37, rigid with the mentioned plate element, thereby the shutter element, being restrained for further moving, will be caused to turn since the slider will pivot engage with ear elements 22 at a distance from the pivot pins; thus, the shutter element will be caused to turn about the pins 35, thereby fully opening the delivery spout.
  • the shutter element 21 By releasing the operating push-button, the shutter element 21 will be caused to close, thereby providing a shaving type of operation so as to remove any drops or the like.
  • the above disclosed device will allow to provide a partial opening, by simply causing the shutter element 21 to slide across the delivery spout 20 thereof, or a full opening, by causing the delivery spout to turn.
  • the plate element 2 is moreover provided, at the under surface thereof, with a sealing gasket 40 including a pair of sealing lips 41 extending for a portion in a radial direction, thereby fitting paint vessels of different size.
  • peg elements 42 extend, which engage in corresponding holes 43 formed through the plate element and being upset so as to provide a firm joint.
  • the sealing gasket in particular, is clamped by slanted pawls 45 which are actuated by small levers 46 provided on the top portion of the mixing cover, so as to axially press the sealing gasket to provide a perfect sealing.
  • the coupling between the mixing screw element 12 and the driving shaft 11 is performed through a compensating spring 50, engaging, by the head 52 thereof, in an abutment 53 as provided at the end portion of the core of the mixing screw element.
  • the driving shaft 11 which, on the top end portion thereof is provided with a fork element 60 for engaging a motor reducing unit or the like, holding the driving shaft in a turning condition, is slidably engaged in a bushing 10.
  • This bushing is rotatably housed in a cylindric seat 70, defined by the plate element and having a spiral rib 71, preventing any paint portions from exiting as the driving shaft is turned.
  • a mixing cover construction which is very safe and flexible in operation and which, moreover, can be fitted to paint vessels of different size.
  • the used materials provided that they are compatible to the intended application, as well as the contingent size and shapes, can be any according to requirements.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Nozzles (AREA)
  • Closures For Containers (AREA)
  • Paints Or Removers (AREA)

Description

BACKGROUND OF THE INVENTION
The present invention relates to a mixing cover construction, which has been specifically designed for paint vessels and the like.
Several mixing covers for paint vessels and the like are already available on the market, which covers are mainly constituted by a plate element which is tightly applied on the mouth portion of a paint and the like vessel, and which is provided with a mixing screw supporting shaft. Such mixing cover is known e.g. from US-A-2 585 334.
This shaft is coupled to a motor, in order to cause the mixing screw element to be evenly rotated.
Prior covers, in particular, are provided with a delivery spout which frequently is affected by great tightness problems, as well as further problems related to the removal of the product drops susceptible to be formed at the delivery spout.
Actually, product drops would be susceptible to negatively affect a proper metering of the product as well as they would inevitably cause soiling problems.
In addition, a further problem affecting prior covers of the above mentioned type, is that these covers must be properly sized and designed depending on the size of the vessel they are applied to.
Accordingly, it is necessary to provide a broad range of different cover size and shapes, in order to properly fit the several available vessels.
SUMMARY OF THE INVENTION
Thus, the aim of the present invention is to overcome the above mentioned drawbacks, by providing a mixing cover, specifically designed for paint vessels and the like, which is provided with a delivery spout specifically designed for allowing both a partial opening and a full opening of the spout, while preventing drops or the like from forming, thereby allowing a perfect metering to be obtained.
Within the scope of the above mentioned aim, a main object of the present invention is to provide such a mixing cover which can be applied to like size vessels, while providing a satisfactory operation.
Another object of the present invention is to provide such a mixing cover which is devoid of any deleterious leakages.
Yet another object of the present invention is to provide such a mixing cover construction which can be easily made starting from easily commercially available elements and materials and which, moreover, is very competitive from a mere economic standpoint.
According to one aspect of the present invention, the above mentioned aim and objects, as well as yet other objects, which will become more apparent hereinafter, are achieved by a mixing cover, specifically designed for paint vessels, comprising a plate element which can be tightly coupled to a vessel, and rotatably supporting a mixing screw element, characterized in that said mixing cover further comprises, on a delivery spout thereof, a shutter element adapted to provide a partial opening by sliding across said spout and a full opening by tilting said shutter element.
BRIEF DESCRIPTION OF THE DRAWINGS
Further characteristics and advantages of the present invention will become more apparent hereinafter from the following detailed disclosure of a preferred, though not exclusive, embodiment of a mixing cover specifically designed for paint vessels and the like, according to the invention, and being illustrated, by way of an indicative, but not limitative, example, in the accompanying drawings, where:
  • Figure 1 is a schematic perspective view illustrating the mixing cover construction according to the present invention;
  • Figure 2 illustrates the mixing cover with the delivery spout thereof in a closed position;
  • Figure 3 illustrates the mixing cover with the delivery spout thereof in a partially opened position;
  • Figure 4 illustrates the mixing cover with the delivery spout thereof in a fully opened position;
  • Figure 5 is a perspective view illustrating the sealing gasket arranged between the plate element and the product vessel;
  • Figure 6 is a cross-sectional view illustrating the sealing gasket of figure 5;
  • Figure 7 is a further schematic cross-sectional view illustrating the connection of the shaft end portions and the mixing screw element; and
  • Figure 8 is a further schematic perspective view illustrating the shaft bushing for allowing the shaft to pass through the mixing cover according to the present invention.
    • DESCRIPTION OF THE PREFERRED EMBODIMENTS
    With reference to the number references of the above mentioned figures, the mixing cover construction according to the present invention, which has been specifically designed for paint vessels and the like, and which is generally indicated by the reference number 1, comprises a plate element 2 which can be associated with a vessel 3, and being provided with a gripping handle 4 radially extending and adjoining the product vessel 3.
    To said plate element 2 is coupled, through a bushing 10 which will be disclosed in a more detailed manner hereinafter, a polygonal shaft 11 which, at the end portion thereof, supports a mixing screw element 12.
    The plate element 2, in particular, defines a delivery spout 20, which is closed by a substantially laminar shutter element 21.
    A main feature of the present invention is that the shutter element 21 can be slidably displaced in order to provide a partial opening, and then it being adapted to be turned to assume a tilted position, to fully open the passage through the delivery spout 20.
    The shutter element 21 is provided with ears 22 which are pivoted to the end portions of a slider 23 which is slidably driven since it is restrained by a restraining pin 24 coupled to fork arms 25 projecting from the plate-like element.
    At the opposite end portion thereof, the slider 23 is provided with a cross-member 26, therewith are engaged the driving arms 27 of a driving pushbutton 28 which is pivoted to said plate-like element.
    Spring means are moreover provided for holding the shutter element 21 in a closed condition and which, in particular, comprise coil springs 30 associated with an end portion of the pin 24.
    Thus, this pin will be pressed on the slider 23, the springs engaging, at the other end portions thereof, with said slider, near said cross-member, and extending on a transmission pin 31 rigid with said plate-like element.
    Thus, the mentioned springs 30 will provide on the slider a pulling force so as to hold the shutter element 21 pressed on the spout.
    The shutter element 21 comprises moreover, as shown, guide pins 35 projecting laterally with respect to said shutter element 21.
    The latter, during the starting operation step in which pressure is applied on an operating pushbutton, is caused to slide across the delivery spout, so as to cause the guide pins 35 to engage against abutment elements 36.
    More specifically, the abutment elements 36 are formed on shoulders 37, rigid with the mentioned plate element, thereby the shutter element, being restrained for further moving, will be caused to turn since the slider will pivot engage with ear elements 22 at a distance from the pivot pins; thus, the shutter element will be caused to turn about the pins 35, thereby fully opening the delivery spout.
    By releasing the operating push-button, the shutter element 21 will be caused to close, thereby providing a shaving type of operation so as to remove any drops or the like.
    Thus, the above disclosed device will allow to provide a partial opening, by simply causing the shutter element 21 to slide across the delivery spout 20 thereof, or a full opening, by causing the delivery spout to turn.
    As shown, the plate element 2 is moreover provided, at the under surface thereof, with a sealing gasket 40 including a pair of sealing lips 41 extending for a portion in a radial direction, thereby fitting paint vessels of different size.
    Furthermore, from the top surface of the sealing gasket 40, peg elements 42 extend, which engage in corresponding holes 43 formed through the plate element and being upset so as to provide a firm joint.
    The sealing gasket, in particular, is clamped by slanted pawls 45 which are actuated by small levers 46 provided on the top portion of the mixing cover, so as to axially press the sealing gasket to provide a perfect sealing.
    In order to fit vessels of different size, the coupling between the mixing screw element 12 and the driving shaft 11 is performed through a compensating spring 50, engaging, by the head 52 thereof, in an abutment 53 as provided at the end portion of the core of the mixing screw element.
    By actuating the mixing screw element, it is possible to adjust the operating height of the screw convolution arrangement, to provide a resilient pressing thereon, thereby preventing the mixing screw element from accidentally disengaging.
    As stated, the driving shaft 11 which, on the top end portion thereof is provided with a fork element 60 for engaging a motor reducing unit or the like, holding the driving shaft in a turning condition, is slidably engaged in a bushing 10.
    This bushing is rotatably housed in a cylindric seat 70, defined by the plate element and having a spiral rib 71, preventing any paint portions from exiting as the driving shaft is turned.
    The provision of the mentioned spiral rib or ridge 71 will provide very good sealing properties.
    From the above disclosure it should be apparent that the invention fully achieves the intended objects.
    In particular, a mixing cover construction has been provided, which is very safe and flexible in operation and which, moreover, can be fitted to paint vessels of different size.
    The invention, as disclosed, is susceptible to several modifications and variations, all of which will come within the scope of the invention.
    Moreover, all of the details can be replaced by other technically equivalent elements.
    In practicing the invention, the used materials, provided that they are compatible to the intended application, as well as the contingent size and shapes, can be any according to requirements.

    Claims (10)

    1. A mixing cover, specifically designed for paint vessels, comprising a plate element which can be tightly coupled to a vessel, and rotatably supporting a mixing screw element, characterized in that said mixing cover further comprises, on a delivery spout thereof, a shutter element adapted to provide a partial opening by sliding across said spout and a full opening by tilting said shutter element.
    2. A mixing cover, according to Claim 1, characterized in that said shutter element has a laminar configuration and is provided with a pair of ears, pivoted to a slider element which can be operated by an operating pushbutton.
    3. A mixing cover, according to Claims 1 and 2, characterized in that said mixing cover comprises moreover a restraining pin supported by a fork element projecting from said plate element and engaging at a top portion thereof with said slider element.
    4. A mixing cover, according to one or more of the preceding claims, characterized in that said operating pushbutton is articulated to said plate element and engages, by actuating arms, with a rear cross element of said slider element.
    5. A mixing cover, according to one or more of the preceding claims, characterized in that said mixing cover comprises moreover resilient means to hold said shutter element in a closing condition, said resilient means comprising a pair of springs coupled to end portions of said restraining pin and to a point of said slider element on a side thereof where said cross element is provided, said springs being associated with a spring pin.
    6. A mixing cover, according to one or more of the preceding claims, characterized in that said shutter element is provided with laterally projecting guide pins provided for engaging with an abutment for causing said shutter element to turn about said pin, by coupling said slider element with said ears.
    7. A mixing cover, according to one or more of the preceding claims, characterized in that said cover comprises moreover a radially extending two-lip sealing gasket which is coupled to the bottom face of said plate element.
    8. A mixing cover, according to one or more of the preceding claims, characterized in that said sealing gasket is provided with pegs engaging in corresponding holes defined by said plate element, for holding said sealing gasket on said plate element.
    9. A mixing cover, according to one or more of the preceding claims, characterized in that said mixing screw element is coupled to a driving shaft by means of a spring which is arranged about a long stem screw, engageable with said driving shaft and having a head portion which can be engaged with a shoulder defined on a core portion of said mixing screw element, in order to adjust said mixing screw element depending on a size of a vessel thereon said mixing cover is applied.
    10. A mixing cover, according to one or more of the preceding claims, characterized in that said shaft engages with a bushing rotatably supported in a cylindric seat defined in said plate element, said bushing having surface coil ridges engageable with said cylindric seat.
    EP97905387A 1996-03-18 1997-02-18 Mixing cover for paint vessels and the like Revoked EP0825930B1 (en)

    Applications Claiming Priority (3)

    Application Number Priority Date Filing Date Title
    IT96MI000531A IT1283273B1 (en) 1996-03-18 1996-03-18 MIXER LID STRUCTURE, ESPECIALLY DESIGNED FOR PAINT JARS AND THE LIKE.
    ITMI960531 1996-03-18
    PCT/IT1997/000032 WO1997034775A1 (en) 1996-03-18 1997-02-18 Mixing cover for paint vessels and the like

    Publications (2)

    Publication Number Publication Date
    EP0825930A1 EP0825930A1 (en) 1998-03-04
    EP0825930B1 true EP0825930B1 (en) 1999-06-16

    Family

    ID=11373680

    Family Applications (1)

    Application Number Title Priority Date Filing Date
    EP97905387A Revoked EP0825930B1 (en) 1996-03-18 1997-02-18 Mixing cover for paint vessels and the like

    Country Status (7)

    Country Link
    EP (1) EP0825930B1 (en)
    CN (1) CN1216023A (en)
    AU (1) AU2229197A (en)
    DE (1) DE69700278T2 (en)
    ES (1) ES2134676T3 (en)
    IT (1) IT1283273B1 (en)
    WO (1) WO1997034775A1 (en)

    Families Citing this family (12)

    * Cited by examiner, † Cited by third party
    Publication number Priority date Publication date Assignee Title
    US6146009A (en) * 1999-10-13 2000-11-14 X-Pert Paint Mixing Systems, Inc. Paint container lid member adaptable for use with a plurality of paint mixing systems
    FR2839899B1 (en) * 2002-05-24 2004-07-23 Aeml ADAPTER FOR CONNECTING A PAINT CAN TO A MIXING MACHINE
    FR2864943B1 (en) * 2004-01-09 2006-09-01 Aeml COVER WITH IMPROVED SPOUT SHUTTER SYSTEM
    FR2885885B1 (en) * 2006-05-12 2011-04-29 Aeml COVER WITH IMPROVED SPOUT BLOCKING SYSTEM
    CN101642687B (en) * 2009-05-20 2013-04-17 梁伟 Convenient slurry-stirring cover
    FR2960863B1 (en) * 2010-06-07 2012-07-13 Fillon Technologies CLOSURE COVER FOR A CONTAINER EQUIPPED WITH A SEAL
    CN102371231A (en) * 2011-09-29 2012-03-14 常州豪邦纳米科技涂料有限公司 Coating can
    CN103466184A (en) * 2013-09-15 2013-12-25 苏州多贝机械科技有限公司 Paint tank for emulsion paint
    CN104985979A (en) * 2015-07-09 2015-10-21 安徽海澄德畅电子科技有限公司 Pigment mixing, returning and stirring device
    CN107661725B (en) 2016-07-27 2020-06-09 郑州三华科技实业有限公司 Labor-saving stirring paddle cover
    CN111874458A (en) * 2020-07-30 2020-11-03 安庆泽远化工有限公司 Corrosion-resistant chemical raw material storage method
    CN113818675A (en) * 2021-11-04 2021-12-21 九江职业技术学院 Wall surface hand-painted movable workbench adaptive to multi-scene indoor design

    Family Cites Families (8)

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    Publication number Priority date Publication date Assignee Title
    US2585334A (en) * 1949-01-19 1952-02-12 Rinshed Mason Company Closure for paint cans
    US3162338A (en) * 1962-07-25 1964-12-22 Nicholas T Grubelic Closure device for liquid containers such as paint cans
    FR2279633A1 (en) * 1974-07-24 1976-02-20 Sablons Fonderies Atel IMPROVEMENT OF LIDS WITH SPOUT FOR PAINTS, VARNISHES AND SIMILAR PRODUCTS
    ES2039477T3 (en) * 1987-11-13 1993-10-01 Fast S.P.A. SPILL LID FOR PAINTINGS, ENAMELS AND SIMILARS.
    US5335806A (en) * 1993-06-29 1994-08-09 Dedoes Industries, Inc. Adapter ring for a paint can
    US5413257A (en) * 1993-09-20 1995-05-09 Dedoes Industries, Inc. Lid with selectable type of spout closure
    US5482370A (en) * 1994-06-22 1996-01-09 Dedoes Industries, Inc. Paint can cover assembly
    FR2722172B1 (en) * 1994-07-05 1996-09-13 Fas AGITATOR COVER FOR SHADES OF AGITATOR MACHINES

    Also Published As

    Publication number Publication date
    IT1283273B1 (en) 1998-04-16
    WO1997034775A1 (en) 1997-09-25
    CN1216023A (en) 1999-05-05
    EP0825930A1 (en) 1998-03-04
    ITMI960531A0 (en) 1996-03-18
    ITMI960531A1 (en) 1997-09-18
    AU2229197A (en) 1997-10-10
    DE69700278D1 (en) 1999-07-22
    ES2134676T3 (en) 1999-10-01
    DE69700278T2 (en) 1999-10-14

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