EP1706641A1 - A self-supplied painting roller - Google Patents
A self-supplied painting rollerInfo
- Publication number
- EP1706641A1 EP1706641A1 EP04702023A EP04702023A EP1706641A1 EP 1706641 A1 EP1706641 A1 EP 1706641A1 EP 04702023 A EP04702023 A EP 04702023A EP 04702023 A EP04702023 A EP 04702023A EP 1706641 A1 EP1706641 A1 EP 1706641A1
- Authority
- EP
- European Patent Office
- Prior art keywords
- self
- roller according
- painting roller
- supplied
- pump
- 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.)
- Granted
Links
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
- B05C17/03—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller
- B05C17/0308—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller the liquid being supplied to the inside of the coating roller
-
- 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
- B05C11/00—Component parts, details or accessories not specifically provided for in groups B05C1/00 - B05C9/00
- B05C11/10—Storage, supply or control of liquid or other fluent material; Recovery of excess liquid or other fluent material
- B05C11/1002—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves
- B05C11/1015—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target
- B05C11/1023—Means for controlling supply, i.e. flow or pressure, of liquid or other fluent material to the applying apparatus, e.g. valves responsive to a conditions of ambient medium or target, e.g. humidity, temperature ; responsive to position or movement of the coating head relative to the target responsive to velocity of target, e.g. to web advancement rate
-
- 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
- B05C17/03—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller
- B05C17/0333—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller with pump
- B05C17/0341—Rollers ; Hand tools comprising coating rollers or coating endless belts with feed system for supplying material from an external source or with a reservoir or container for liquid or other fluent material located in or on the hand tool outside the coating roller with pump attached to the hand tool
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B17/00—Pumps characterised by combination with, or adaptation to, specific driving engines or motors
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/123—Machines, pumps, or pumping installations having flexible working members having peristaltic action using an excenter as the squeezing element
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F04—POSITIVE - DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS FOR LIQUIDS OR ELASTIC FLUIDS
- F04B—POSITIVE-DISPLACEMENT MACHINES FOR LIQUIDS; PUMPS
- F04B43/00—Machines, pumps, or pumping installations having flexible working members
- F04B43/12—Machines, pumps, or pumping installations having flexible working members having peristaltic action
- F04B43/1253—Machines, pumps, or pumping installations having flexible working members having peristaltic action by using two or more rollers as squeezing elements, the rollers moving on an arc of a circle during squeezing
Definitions
- the subject of the present invention is concerned with a painting roller, which is seif-supplied without the aid of an electric motor or compressor or other sources of energy.
- a purpose of the present invention is consequently to overcome the drawbacks inherent in self-supplied rollers of a known type.
- Figure 1 is a schematic side view of the painting roller according to a first embodiment of the present invention, which has a piston pump, is without a half- shell for protection from the paint, and is viewed from the outer side.
- Figure 2 is a schematic cross-sectional view of a filter of the painting roller of Figure 1.
- Figure 3 is a partially sectioned schematic front view of the roller of Figure 1.
- Figure 4 is a schematic axial view of the blocking end of the tubular rotating support of the painting roller of Figure 1.
- Figure 5 is a schematic view of some internal components of the painting roller of Figure 1 in a disassembled condition.
- Figure 6 is a perspective side view of the painting roller of Figure 1 , viewed from the inside, with a portion of the system for flow regulation.
- Figure 7 is a schematic perspective side view of the painting roller of Figure 1 , viewed from the outside and with the half-shells for protection from the paint in an assembled condition.
- Figure 8 is a schematic side view of a second embodiment of a self-supplied painting roller according to the present invention, equipped with a peristaltic pump.
- Figures 9 and 10 are schematic side views of the system for one-directional transmission of motion of the roller of Figure 8 in two operating conditions.
- Figure 11 is a schematic front view of the one-directional transmission system and of the speed reducer of the painting roller of Figure 8.
- Figure 12 is a schematic side view of the one-directional transmission system and of the speed reducer of the painting roller of Figure 8.
- Figure 13 is a more detailed schematic side view of the painting roller of Figure 1 , without a half-shell for protection from the paint and viewed from the outside.
- Figure 14 is a schematic side view of a third embodiment of a painting roller according to the present invention, without a half-shell for protection from the paint and viewed from the outside, provided with a tube with flexible bellows at intake of the piston pump.
- Figure 15 is a schematic front view of the desmodromic cam-actuation of the painting roller of Figure 1.
- Figure 16 is a schematic side view of the cam actuation of Figure 15.
- Figure 17 is an exploded, perspective, schematic view of the hollow piston pump , of the painting roller of Figure 1.
- Figure 18 is a cross-sectional schematic side view of the pump of Figure 17.
- Figure 19 is a schematic view, according to the direction of intake, of a detail of the fixing support of the intake membrane valve of the pump of Figure 17.
- Figure 20 is a partially sectioned schematic front view of a fourth embodiment of a painting roller according to the present invention.
- Figure 21 is an exploded, perspective, schematic view of the ⁇ hollow piston pump of a fifth embodiment of a painting roller according to the present invention.
- Figure 22 is a schematic cross-sectional side view of the pump of Figure 21.
- Figure 23 is a schematic partially sectioned front view of a sixth embodiment of a painting roller according to the present invention.
- Figure 24 is a perspective schematic view of a seventh embodiment of a painting roller according to the present invention.
- Figure 25 is a schematic partially sectioned front view of a detail of the painting roller of Figure 24. Detailed description of the invention
- Figures 1-7 and 13-19 show a first embodiment of a painting roller according to the present invention, which is referred to, as a whole, with the reference number 1 and comprises:
- the tubular support 6 and the bushing 7 are screwed together by means of the female threaded surface 8 and male threaded surface 9, and are mounted on the fixed tubular support 6A ( Figures 3, 5) or, more in general, on a pin-like support 6A.
- Figure 4 is the front view of the threaded end 9 of the support 6.
- Said end has a plurality of radial projections 10 and a plurality of notches 12.
- Made on the fixed tubular support 6A is an annular groove 11 (see Figure 5).
- the male threaded end 9 is screwed into the female threaded seat 8,' the notches are reduced and the side projections 10 are clinched and engaged in the annular groove 11 , fixing the rotating support 6 on the fixed support 6A in such a way that the former (together with the roller 5) can rotate with respect to the latter, without sliding out axially.
- the rotating support 6 is provided, at its free end, with a gripping area 44, with which the user can disassemble and reassemble the rotating support 6 with his hands, without any need for tools.
- the roller 5 may be covered by an appropriate absorbent material 19.
- the paint is enclosed in the chamber 15 and is made to come out therefrom, for supplying and impregnating the absorbent material 19, via one or more holes 14 (see Figure 5) which communicate with the chamber 15 itself, and then through a plurality of small holes (not shown) made on the roller 5.
- a seal gasket 13 In order to prevent the paint from coming out of the chamber 15 through the threaded coupling 8, 9 and the notches 12, between the rotating support 6 and the roller 5 there can be inserted a seal gasket 13 (see Figure 3).
- the fixed support 6A (see Figure 5) has a seat 16b for the seal gasket 17, which communicates with a chamber 18.
- the paint is fed to the chamber 15 (see Figure 3) by means of a supply tube 22 (see Figure 1) via suction with a pump, designated, as a whole, by the reference number 21.
- the supply tube 22 is fixed by means of special clamps 23 to the goose-neck support 4 ( Figures 13, 20). At the intake end, the tube 22 is immersed in the diluted paint in any suitable container, and blocked with a purposely provided clamp.
- a filter 20 (see Figures 1 , 2) with the function of withholding possible impurities that could jeopardize the operation of the pump 21.
- the filter 20 can be equipped with a valve 20b (see Figure 2) to prevent any backflow, from above downwards, of the paint within the supply tube 22.
- said nonreturn valve is a membrane valve similar to the valves 26, 27 described hereinafter; said type of valve in fact is able to ensure a better seal also in the presence of high pressures of backflow of the liquid.
- the pump 21 of Figure 18 comprises a hollow piston 33 in a position corresponding to its point of delivery.
- the pump 21 is provided with at least one membrane valve, for intake 27 or delivery 26.
- the pump 21 comprises two membrane valves 26, 27, each comprising a body made of elastic material, or in any case deformable material, substantially shaped like an umbreHa or cup, and provided underneath with a fixing appendix 28 and a fixing appendix 29, respectively (see Figure 18).
- the umbrella-shaped valve 27, which functions as intake valve, is fixed, via the respective bottom appendix 29, to the outer casing of the pump 21
- the umbrella-shaped valve 26, which functions as delivery valve is fixed, via the respective bottom appendix 28, within the hollow piston 33, so as to move fixedly therewith.
- valve 27 is fixed in the seat 30 of the annular support 31 (see Figures 18, 19), and the latter is screwed or restrained, via convenient assembly, on the edge 31 B (see Figure 18) of the hollow piston 33. Also fixed on the annular support 31 is the gasket with annular lip 25.
- the membrane valves in particular the umbrella-shaped valves, ensure a higher degree of tightness than do other types of valves - for example, ball valves - and thus enable the required suction pressures for intake.
- the present applicant has succeeded in building pumps 21 with a self-priming height greater than 6-8 metres.
- the piston pump 21 can moreover be provided with a tubular sleeve substantially shaped like a bellows 24, or else other membrane or casing of an appropriate shape, having the function of preventing the liquid pumped from coming into contact with the hollow piston 33 and the gasket with annular lip 25, so as to eliminate substantially the problem of abrasion due to the sediments contained in the paint.
- cam-actuation system 34, 35 Another advantageous characteristic of the present example of embodiment (see Figures 1-8 and 13-19) of self-supplied painting roller is the cam-actuation system 34, 35, which enables actuation the pump 21 by rolling the roller 5.
- the lever 39 moreover pivots about the fulcrum 41 (see Figures 13, 14), which in turn is fixed to the protective half-shell 16, described more fully in what follows. Finally, the lever 39 slides in the eyelet 40 (see Figure 13), which is made in the shell 16 and through which the lever can come out of the shell 16 itself.
- the stretch of tube 43 having the shape of a bellows, or in any case flexible (see Figure 13), enables connection of the delivery of the hollow piston 33 of the pump 21 within the roller 5 and supply of the latter with the paint delivered by the pump 21 irrespective of the inclination of the pump itself with respect to the shell 16, 16C.
- the desmodromic-cam actuation 36, 37 just described does not require return springs for guiding both the delivery stroke and return stroke of the piston 33, it enables actuation of the pump 21 with a smaller effort on the part of the roller 5, and hence with greater convenience for the user. Furthermore, the system of levers and cams enables prevention of any risk of blocking of rotation of the roller 5.
- the two half-shells 16, 16C (see Figures 1 , 7) have the function of protecting the pump 21 and the corresponding actuation mechanism from possible drops of paint.
- the present example of preferred embodiment is moreover, provided with means of regulation of the capacity of the pump 21 , thus exemplified (see Figures 6, 13, 14, 17, 18, 21 , 22):
- the outer body of the pump 21 is fixed to the shell 16 so as to be able to rotate about the two coaxial pins 47B, 47C (see Figures 13, 17, 18);
- the capacity of the pump is regulated, that is, by varying the position of the pin 47
- the above system for regulation of the capacity enables an adjustable flow to be obtained as desired, with considerable precision and according to the requirements of the moment. Thanks to the uniform and constant distribution, it is possible to save up to 30% on the amount of paint with respect to traditional systems.
- Figures 8-12 refer to a second example of embodiment of a painting roller according to the present invention.
- the supply means of the roiler 5 comprise a peristaltic pump, designated, as a whoie, by the reference number 48 (see Figure 8).
- the peristaltic pump 48 can have two or more rollers 49 (see Figure 8) and is actuated by a series of gear wheels 50-58 (see Figures 9-12): - the gear wheel 57 (see Figures 9 and 10) is constantly meshed with the gear wheel 58;
- the gear wheel 54 is constantly meshed with the gear wheel 56, which is also constantly meshed with the gear wheel 55;
- the gear wheels 54 and 55 can slide along the respective shafts of rotation and are coupled, respectively, to the gear wheels 57 and 58 with a ratchet-gear coupling;
- the reference numbers 63, 64 designate spiral springs for recovery of any play.
- the rotor 60 is actuated by the driver shaft 59 (see Figure 8), and the system of gear wheels and of ratchet mechanisms 50-58, 63, 64 is such as to make it rotate always in the same direction of rotation, irrespective of the direction of rotation of the roller 5.
- Figures 11 , 12 show the speed-reduction system (gear wheels 50-52), which, in the present example of preferred embodiment, connects the system of wheels and ratchet mechanisms 50-58, 61-64 to the roller 5, 19, to the threaded bushing 7, and to the rotating support 6.
- the pump is self-priming since it is able to recall the fluid by suction pressure, and does not present any backflow because one of the rollers keeps the tube constantly squeezed;
- pumps of various types can be applied, since the rotational movement can be transformed into rectilinear movement.
- the one-directional ratchet-gear couplings 61 , 62 can be replaced with other types of one-directional coupling; the coupling between the gear wheels 54, 56 and 55 can be replaced by other transmission means designed to turn the second driver coupling element 55 in the same direction of rotation as the first driver coupling element 54.
- the coupling between the gear wheels 57, 58 can be replaced by other reversal means suitable for rotating the first driven coupling element 62 in a direction of rotation opposite to that of the second driven coupling element 61.
- the roller 5 has a thinner frustoconical shape and is provided with an end washer 65 made of non- absorbent and non-transpirant material 65, which enables painting without dirtying doorposts, frames, etc. From the description of the foregoing embodiments, it can be seen that the parts that enable self-supply of the roller are readily interchangeable and readily accessible for cleaning.
- the roller is easy to use for anybody, even for the least expert and for those persons who, for reasons of habit or practicality, do not like to use traditional rollers.
- the system for regulation of the capacity of the piston pump (21 ) instead of being a system of fine regulation 45, 46, 46B, 47 of the type of Figure 6, can be a system of coarser regulation, such as the system 47, 47C, 47D, 47E, 47F of the example of embodiment of Figures 21 , 22, in which the spring knob 47G, which may be gripped by the user, blocks inclination of the pump 21 with respect to the shell 16, pinching the edges of an appropriate eyelet (not shown and made in the shell 16 itself) against a contrast made in the pin 47.
- the spring knob 47G which may be gripped by the user, blocks inclination of the pump 21 with respect to the shell 16, pinching the edges of an appropriate eyelet (not shown and made in the shell 16 itself) against a contrast made in the pin 47.
- variable-volume chamber is defined also by a cylindrical cavity 214', made within an outer body 213 obtained, for example by injection moulding, in a single piece, instead of assembling a number of pieces moulded separately.
- the piston .33 slides within. a cylindrical cavity 214 defined by the two elements 211 , 212, which have been moulded separately and subsequently ultrasound welded along the joining surface 210.
- the piston that is made up of two elements. 31 and 33, either screwed or welded together, but the surface of separation between said elements 31 , 33 is set downstream of the pump delivery, in any case preventing loss of head of the pump due to leakage of air from the outside inwards.
- the coating made of absorbent material 19 is fixed on the roller 5 not via bonding, as in the example of embodiment of Figure 3, but by being pinched at the end between the roller 5 and the rotating tubular support 6. This enables removal or replacement of the absorbent coating 19, without having to dismantle or replace also the roller 5 and other pieces connected thereto.
- the rotating tubular support 6 is blocked axially on the fixed tubular support 6A, not via the system of clinching with the radial projections 10 and the notches 12 of Figure 4, but rather by means of the sliding tab 10B, which, in the inserted position can be engaged, for example, in the annular groove 11 of Figure 5, whilst, in the extracted position, it enables the roller 5 and the rotating tubular support 6 to be slid out of the fixed tubular support 6A, with a faster mode of operation as compared to the clinching system of Figure 4.
Abstract
Description
Claims
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
PCT/IB2004/000126 WO2005078283A1 (en) | 2004-01-14 | 2004-01-14 | A self-supplied painting roller |
Publications (2)
Publication Number | Publication Date |
---|---|
EP1706641A1 true EP1706641A1 (en) | 2006-10-04 |
EP1706641B1 EP1706641B1 (en) | 2009-09-23 |
Family
ID=34856830
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
EP04702023A Expired - Lifetime EP1706641B1 (en) | 2004-01-14 | 2004-01-14 | A self-supplied painting roller |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1706641B1 (en) |
CN (1) | CN1906415A (en) |
AT (1) | ATE443809T1 (en) |
DE (1) | DE602004023328D1 (en) |
WO (1) | WO2005078283A1 (en) |
Families Citing this family (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US20070134050A1 (en) * | 2005-12-08 | 2007-06-14 | Bruggeman Daniel J | Reversible electric pump and paint roller assembly |
US20110188919A1 (en) * | 2008-03-06 | 2011-08-04 | Carlos Saravia Castillon | Roller for painting difficult-to-access rough surfaces |
CA2630443A1 (en) * | 2008-04-14 | 2009-10-14 | Khalil Hosseini | Power roller cage assembly |
DE102010018964A1 (en) * | 2010-04-27 | 2011-10-27 | Ing. Erich Pfeiffer Gmbh | Discharge device for liquid media |
CN105436048A (en) * | 2014-06-26 | 2016-03-30 | 苏州宝时得电动工具有限公司 | Paint coating apparatus |
CN107904013A (en) * | 2017-11-25 | 2018-04-13 | 防城港市润禾农林科技有限公司 | A kind of material infuser device made for spices |
TWI690370B (en) * | 2018-05-10 | 2020-04-11 | 已久工業股份有限公司 | Tire sealant dispenser |
CN111715433A (en) * | 2020-06-18 | 2020-09-29 | 广州正宏电子商务有限公司 | Paint sprayer with uniform spraying and automatic feeding functions |
Family Cites Families (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3320630A (en) * | 1964-09-11 | 1967-05-23 | John J Furlong | Self-feeding paint roller |
US3620633A (en) * | 1969-11-07 | 1971-11-16 | Fred A Charvoz | Self-feeding paint roller |
GB1508260A (en) * | 1976-09-27 | 1978-04-19 | Beze J | Paint roller |
US4679994A (en) * | 1981-03-09 | 1987-07-14 | Allied Corporation | Piston vacuum pump |
BE1008046A3 (en) * | 1994-02-24 | 1996-01-03 | Oost Stephane Van | Applicator PAINT DOUBLE ROLL PUMP POWERED PAINT. |
US5507318A (en) * | 1994-10-04 | 1996-04-16 | Walbro Corporation | Umbrella check valves |
US5997205A (en) * | 1997-03-26 | 1999-12-07 | Koide; Takanori | Coating roller and coating apparatus |
IT1304836B1 (en) * | 1998-06-12 | 2001-04-05 | Pierino Pistis | PAINTING ROLLER. |
WO2001041611A1 (en) * | 1999-12-07 | 2001-06-14 | Advanex Inc. | Valve unit and container |
JP3867770B2 (en) * | 2000-10-04 | 2007-01-10 | リブラテクノ有限会社 | Fluid dispensing system and bellows pump device |
-
2004
- 2004-01-14 EP EP04702023A patent/EP1706641B1/en not_active Expired - Lifetime
- 2004-01-14 DE DE602004023328T patent/DE602004023328D1/en not_active Expired - Fee Related
- 2004-01-14 AT AT04702023T patent/ATE443809T1/en not_active IP Right Cessation
- 2004-01-14 CN CN200480040476.2A patent/CN1906415A/en active Pending
- 2004-01-14 WO PCT/IB2004/000126 patent/WO2005078283A1/en active Application Filing
Non-Patent Citations (1)
Title |
---|
See references of WO2005078283A1 * |
Also Published As
Publication number | Publication date |
---|---|
WO2005078283A1 (en) | 2005-08-25 |
CN1906415A (en) | 2007-01-31 |
ATE443809T1 (en) | 2009-10-15 |
DE602004023328D1 (en) | 2009-11-05 |
EP1706641B1 (en) | 2009-09-23 |
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