EP0883446B1 - Embout de tube de rouleau - Google Patents

Embout de tube de rouleau Download PDF

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Publication number
EP0883446B1
EP0883446B1 EP97906394A EP97906394A EP0883446B1 EP 0883446 B1 EP0883446 B1 EP 0883446B1 EP 97906394 A EP97906394 A EP 97906394A EP 97906394 A EP97906394 A EP 97906394A EP 0883446 B1 EP0883446 B1 EP 0883446B1
Authority
EP
European Patent Office
Prior art keywords
tube end
end piece
roller tube
roller
spokes
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
EP97906394A
Other languages
German (de)
English (en)
Other versions
EP0883446A1 (fr
Inventor
Jan Axelsson
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.)
Anza AB
Original Assignee
Anza AB
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 Anza AB filed Critical Anza AB
Publication of EP0883446A1 publication Critical patent/EP0883446A1/fr
Application granted granted Critical
Publication of EP0883446B1 publication Critical patent/EP0883446B1/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
    • B05C—APPARATUS FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05C17/00—Hand tools or apparatus using hand held tools, for applying liquids or other fluent materials to, for spreading applied liquids or other fluent materials on, or for partially removing applied liquids or other fluent materials from, surfaces
    • B05C17/02—Rollers ; Hand tools comprising coating rollers or coating endless belts

Definitions

  • the present invention relates to a roller tube end piece for a paint roller, i.e. a trundle for holding a roller tube on the frame of the roller. More particularly, the invention relates to a roller tube end piece which is provided with protrusions and supports to achieve a good and durable holding of the roller tube, whilst still allowing easy removal of the roller tube from the roller assembly.
  • roller tube end pieces of the prior art are provided with axial slots to make the peripheral surface of the roller tube end piece elastic. They also have protrusions, frequently in the form of rectangular studs, on the peripheral surface. In order to achieve sufficient strength and rigidity, roller tube end pieces of the prior art also have spokes, running axially, and radially inwards, towards a hub mounted on the frame itself.
  • FIG. 1 An example of a prior art roller tube end piece may be seen from US-A-3,119,137.
  • the document describes a painting roller having an end piece consisting of a relatively thin annular or hollow ring or rim portion with an outside diameter less than that of the inside diameter of the roller tube. Its peripheral surface is provided with a plurality of outstanding ribs.
  • the end piece has a hub portion journalled on the frame. The structure between the hub and the ring is braced by a plurality of radial webs extending from the outer surface of the hub to the inner surface of the ring.
  • roller tube end pieces Due to the axial slots, these roller tube end pieces are subject to permanent deformation during extended storage of rollers having roller tubes fitted onto the tube end pieces. This results in an inferior holding of the roller tube, which might, in the worst case, come off during painting.
  • the present invention solves this problem by the roller tube end piece having a continuous peripheral surface, without slots, and by the roller tube end piece being made flexible by means of flexible supports in the shape of tapered spokes.
  • the present invention thus provides a roller tube end piece for a roller comprising a handle, a frame and a roller tube in a conventional manner.
  • the roller tube end piece is cup-shaped and has a generally cylindrical circumferential surface and a hub for mounting it on the frame.
  • Two such tube end pieces are fitted as sliding trundles on the frame, with their openings pointing towards each other and carrying the roller tube on their peripheral surfaces.
  • a number of protrusions are spaced around the circumference of the peripheral surface, and a number of supports in the form of axial and radial spokes extend inwards from the peripheral surface, towards the hub, at least some of these spokes being flexible.
  • the flexible spokes are elastic due to a tapered recess.
  • the protrusions have the shape of a rounded tip, being radially thickest at the inner axial edge of the roller tube end piece and tapering off towards the tip.
  • Fig. 1 shows a conventional paint roller 1, to which the present invention may be applied.
  • the roller comprises a frame 2, carrying the actual roller tube 3 which has an absorbing surface for the application of paint during painting operations.
  • the roller tube 3 is held by tube end pieces, of which only the outer roller tube end piece 4 is visible on the drawing.
  • the tube end pieces are generally cup-shaped and fitted, with their open ends pointing towards each other, as sliding trundles on the frame.
  • the outer roller tube end piece 4 is fixed to the frame 2 by a rivet 10 and washer 11, mounted in its recess 12.
  • the tube end pieces cannot be removed from the frame, but the roller tube may be pulled off the tube end pieces, which are holding the roller tube by friction only.
  • the painter holds the paint roller 1 by a handle (not shown), which may have a more or less ergonomically elaborate design, and may be equipped with holding devices etc. as is common in the trade.
  • the roller tube end piece 4 according to the present invention is described with reference particularly to Figs. 2-5.
  • the tube end piece is generally cup-shaped and has an open end side and a closed end side. The open end side is shown in an end view in Fig. 2.
  • the tube end piece has a continuous peripheral surface 5 around its circumference and a hub 6 for fitting onto the frame. A number of protrusions 7 are spaced around the circumference. Several spokes 8, 9 extend between the peripheral surface and the hub in order to give sufficient strength to the tube end piece.
  • the protrusions 7 have a rounded tip shape, tapering off from a thickest point at the inner edge of the tube end piece towards the rounded tip. They extend over about half the axial length of the tube end piece. The protrusions are provided in order to obtain a balanced friction between the roller tube 3 and the tube end piece peripheral surface 5.
  • the roller tube end piece according to the present invention is also somewhat elastic. This is achieved in part by the material being elastic in itself, and in part by the structure of the spokes.
  • the spokes 8, running from the protrusions 7 to the hub 6, are somewhat flexible. This is achieved by the spokes 8 having a tapered recess 13, as can be seen from Fig. 4, and from the dashed lines in Fig. 3. Consequently, the outer section of the spokes can flex somewhat inwards, in the direction of the hub.
  • the intermediate spokes 9 do not have a tapered recess, as shown in Fig. 5, and thus are relatively stiff.
  • roller tube end pieces 4 are preferably made from a plastic resin. They are particularly well suited for using together with roller tubes also being made of plastic, thus inherently being somewhat elastic, but they can also be used together with cardboard tubes.
  • the present invention provides an extremely stable holding of the roller tube onto the tube end piece, during painting as well as during long-term storage of rollers with fitted tubes, due to the stable, yet flexible design of the roller end pieces.
  • This also makes the roller tube easy to remove from the mounted position.
  • this is achieved through supports in the shape of internal spokes, some (8) of the supports being flexible and some (9) acting as fixed counter-holds when fitting the roller tube.
  • the flexible properties are achieved through the supports underneath the protrusions on the peripheral surface not supporting said protrusions all the way to the hub 6.
  • the number of protrusions is preferably four and the total number of spokes 8, 9 is eight. Naturally, the numbers may be varied, as may other details of the invention, the scope of which shall only be limited by the appended claims.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Coating Apparatus (AREA)
  • Rolls And Other Rotary Bodies (AREA)
  • Reduction Rolling/Reduction Stand/Operation Of Reduction Machine (AREA)

Claims (8)

  1. Embout de tube de rouleau pour rouleau à peinture (1) comprenant un manche, un cadre (2) et un tube cylindrique (3) recouvert d'un matériau absorbant, ledit embout de tube de rouleau (4) étant en forme de coupelle et ayant une surface circonférentielle globalement cylindrique (5) et un moyeu (6) pour la fixation sur le cadre (2), deux embouts de tube (4) de ce type étant fixés à la manière de lanternes coulissantes sur le cadre (2) avec leurs ouvertures pointant l'une vers l'autre, supportant le tube de rouleau (3) sur leurs surfaces périphériques (5), caractérisé en ce qu'il comporte plusieurs saillies (7) espacées autour de la circonférence de la surface périphérique (5), et plusieurs supports sous la forme de rayons axiaux et radiaux (8, 9) s'étendant vers l'intérieur à partir de la surface périphérique, vers le moyeu (6), de telle sorte qu'au moins certains de ces rayons (8) sont souples.
  2. Embout de tube de rouleau selon la revendication 1, caractérisé en ce que certains des rayons (8) sont souples du fait qu'ils présentent un évidement aminci (13).
  3. Embout de tube de rouleau selon les revendications 1 ou 2, caractérisé en ce que les saillies (7) ont la forme d'une pointe arrondie, en étant radialement plus épaisses au niveau du bord intérieur de l'embout de tube de rouleau et en s'amincissant en direction de la pointe.
  4. Embout de tube de rouleau selon les revendications 1, 2 ou 3, caractérisé en ce que les saillies (7) s'étendent sur près de la moitié de la longueur axiale de l'embout de tube (5).
  5. Embout de tube de rouleau selon l'une quelconque des revendications précédentes, caractérisé en ce qu'un rayon (8) sur deux est situé en dessous d'une saillie (7) et que l'autre des deux rayons (9) est situé à mi-distance entre deux saillies (7).
  6. Embout de tube de rouleau selon l'une quelconque des revendications précédentes, caractérisé en ce que les rayons (8) situés en dessous d'une saillie (7) sont souples.
  7. Embout de tube de rouleau selon les revendications 5 ou 6, caractérisé en ce que les rayons (9) situés à mi-distance entre deux saillies (7) ne présentent aucun évidement aminci.
  8. Embout de tube de rouleau selon l'une quelconque des revendications précédentes, caractérisé en ce que les embouts de tube de rouleau (4) et le tube (3) sont faits en plastique.
EP97906394A 1996-02-29 1997-02-27 Embout de tube de rouleau Expired - Lifetime EP0883446B1 (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
SE9600788 1996-02-29
SE9600788A SE504734C2 (sv) 1996-02-29 1996-02-29 Rollergavel
PCT/SE1997/000333 WO1997031722A1 (fr) 1996-02-29 1997-02-27 Embout de tube de rouleau

Publications (2)

Publication Number Publication Date
EP0883446A1 EP0883446A1 (fr) 1998-12-16
EP0883446B1 true EP0883446B1 (fr) 2003-01-02

Family

ID=20401611

Family Applications (1)

Application Number Title Priority Date Filing Date
EP97906394A Expired - Lifetime EP0883446B1 (fr) 1996-02-29 1997-02-27 Embout de tube de rouleau

Country Status (9)

Country Link
EP (1) EP0883446B1 (fr)
AT (1) ATE230308T1 (fr)
AU (1) AU2109897A (fr)
DE (1) DE69718147T2 (fr)
DK (1) DK0883446T3 (fr)
MY (1) MY116859A (fr)
RU (1) RU2170625C2 (fr)
SE (1) SE504734C2 (fr)
WO (1) WO1997031722A1 (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20150202650A1 (en) * 2012-06-25 2015-07-23 3M Innovative Properties Company Devices for coating contoured surfaces

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3119137A (en) * 1961-02-23 1964-01-28 Jacobus Sons Inc Ag Painting roller
GB9415201D0 (en) * 1994-07-28 1994-09-21 Taylor David B An implement for supporting paint-roller sleeves

Also Published As

Publication number Publication date
DE69718147D1 (de) 2003-02-06
EP0883446A1 (fr) 1998-12-16
SE9600788L (sv) 1997-04-14
SE504734C2 (sv) 1997-04-14
DE69718147T2 (de) 2003-10-23
WO1997031722A1 (fr) 1997-09-04
RU2170625C2 (ru) 2001-07-20
ATE230308T1 (de) 2003-01-15
AU2109897A (en) 1997-09-16
DK0883446T3 (da) 2003-04-22
MY116859A (en) 2004-04-30
SE9600788D0 (sv) 1996-02-29

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