US3682133A - Machines for coating a product in a band - Google Patents

Machines for coating a product in a band Download PDF

Info

Publication number
US3682133A
US3682133A US60357A US3682133DA US3682133A US 3682133 A US3682133 A US 3682133A US 60357 A US60357 A US 60357A US 3682133D A US3682133D A US 3682133DA US 3682133 A US3682133 A US 3682133A
Authority
US
United States
Prior art keywords
press roller
cylindrical wall
heating drum
cooling
machine
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
US60357A
Other languages
English (en)
Inventor
Claude Gomarin
Jean Vidal
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.)
Tunzini Ameliorair SA
Original Assignee
Tunzini Ameliorair SA
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 Tunzini Ameliorair SA filed Critical Tunzini Ameliorair SA
Application granted granted Critical
Publication of US3682133A publication Critical patent/US3682133A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

Links

Images

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
    • B05C1/00—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating
    • B05C1/04—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length
    • B05C1/08—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line
    • B05C1/12—Apparatus in which liquid or other fluent material is applied to the surface of the work by contact with a member carrying the liquid or other fluent material, e.g. a porous member loaded with a liquid to be applied as a coating for applying liquid or other fluent material to work of indefinite length using a roller or other rotating member which contacts the work along a generating line the work being fed round the roller

Definitions

  • the machine includes a heating rum an a press I Aug. 7, France roller ensuring the deposition on the heating drum f the material intended for the coating. Cooling means 12? ⁇ ll'f'il':::1:J:iiiiiijjiiiiiijjijijiaa z53%;!11383 for the Press roller are Provided to w from the 5 Field f Search 1 18202 24 2 2. 101/ 9 side over a fraction only of the cylindrical wall of the v 1 1 2 press roller. The machine enables the coating of a product in a band by a material which has to undergo a heat treatment.
  • the invention relates to machines for coating a product in a band by material which has to undergo a heat treatment (plasticizing, polymerization, etc.), these machines being of the type which include a rotary drum of which the cylindrical wall is heated, the band to be coated being applied on this cylindrical wall over
  • the machine of the type concerned includes cooling means for its press roller which are arranged so as to act from the outside over a fraction only of the cylindrical wall of the press roller, this fraction extending from the support zone of the press roller the heating drum up to a zone where the material intended for the coating is deposited on the press roller.
  • these cooling means are constituted by a blower device a fr nly of its Circumference, h material for a cooling gas including a blower wall parallel to the tended for the coating being deposited on the said cylindrical wall by a roller rotating in reverse sense to the drum, (i.e. both clockwise or both anticlockwise), parallel with this latter and applied against the said drum at the level of a support zone located in the remaining fraction of its circumference.
  • Such machines for coating are well known and are deslilgnated, in the technique, by the name Reverse- Ro
  • the rotary drum of which the cylindrical wall is heated will be designated by heating drum and the roller ensuring the deposit of the material lilntended for the coating will be designated by press to er.
  • the heating roller is constituted, at least as regards its cylindrical wall, by a metal hard and a good conductor of heat, such as steel, while the press roller is constituted, at least as regards its cylindrical. wall, by a deformable and elastic material such as rubber.
  • This press roller is applied against the heating drum so that there exists between the press roller and the heating drum, not a contact generator, but a contact rectangle whose width can reach several centimeters.
  • this blower wall being provided with blower nozzles and with suction nozzles for the evacuation of the cooling gas.
  • these cooling means are constituted by a plurality of rotary cooling rollers, arranged parallel to the press roller and applied against the latter so as to define a contact rectangle between each cooling roller and the press roller, each cooling roller being hollow, constituted of a metal of which the coefficient of conductivity is high, and traversed by a cooling fluid (liquid or gas).
  • cooling means can be mounted in retractable manner to be spaced from the press roller (by pivoting or translation) at the time of operations, of maintenance and of adjustment of the machine.
  • the invention consists, apart from the features which have just been considered, of certain other features which are used preferably at the same time and which will be more explicitly considered below.
  • FIG. 1 shows a diagrammatic partial section of one embodiment of the machine for the coating of a product in a band, constructed according to the invention
  • FIG. 2 shows a section on a large scale illustrating a detail of the embodiment shown in FIG. 1;
  • FIG. 3 shows in partial section, a first embodiment according to the invention.
  • FIG. 4 lastly, shows a partial section of another embodiment according to the invention.
  • FIG. 1 The machine for the coating of a product in a band 1 is shown schematically in FIG. 1.
  • This machine includes a rotary heating drum 2, with a horizontal axis. Heating means are provided so that the outer surface of the cylindrical wall of this heating drum 2 is brought to a given temperature which, as far as possible, is homogeneous and constant over the said outer surface.
  • the cylindrical wall of the heating drum 2 is hence of a material which is a good conductor of heat, and hard, for reasons which will appear clearly in the following. This material can be steel.
  • the temperature of the outer surface of the cylindrical wall of the heating drum 2 must be such that the material intended for the coating and which is deposited on this cylindrical wall undergoes the desired heat treatment to obtain the desired coated product.
  • the band 1 of product is applied on the cylindrical wall of the heating drum 2 over a fraction only of its circumference. According to the embodiment illustrated in FIG. 1, this fraction covers an angular range of about 250. Two return rollars 3 and 4 are provided at the two ends of this angular range to ensure the application of the band 1 on the heating drum 2.
  • the material 5 intended for the coating is deposited on the outer surface of the cylindrical wall of the heat-' ing drum 2 by a press roller 6 rotating in reverse sense to the heating drum 2 (i.e. both clockwise or both anticlockwise), parallel with the latter and applied against the said heating drum 2 at the level of a support zone located in the remaining fraction of its circumference.
  • the support zone where the deposition of the material 5 intended for the coating occurs is situated about ahead of this first return roller 3.
  • the press roller 6 has a diameter distinctly less than the diameter of the heating drum 2 and it is constituted, at least as regards its cylindrical wall, by a deformable and elastic material.
  • This material can be rubber.
  • this press roller 6 is applied against the heating drum 2 so that there exists between the press roller 6 and the heating drum 2 a contact rectangle.
  • the width of this contact rectangle is 20 mm.
  • the speeds of rotation (in reverse sense) of the heating drum 2 and of the press roller 6 are such that the respective peripheral tangential speeds are 18 meters per minute and 21 meters per minute.
  • the material 5 intended for the coating is then deposited on the press roller 6 by a first auxiliary roller 7, rotating in reverse sense to the press roller 6, parallel with the latter and applied against the said press roller 6 at the level of a support zone diametrically opposite the support zone of the press roller 6 against the heating drum 2.
  • a second auxiliary roller 8 rotating in reverse sense to the first auxiliary roller 7, parallel with the latter and applied against the said first auxiliary roller 7, the axes of the two abovesaid auxiliary rollers 7 and 8 being, approximately at least, in the same horizontal plane.
  • a scraper blade 9 is provided above one of the auxiliary rollers 7 or 8, this blade 9 retaining the material 5 intended for the coating and which finds itself above the abovesaid auxiliary rollers 7 and 8 and between them. If the sense of rotation of the heating drum 2 is that indicated in FIG. 1, this blade 9 is above the second auxiliary roller 9.
  • the auxiliary rollers 7 and 8 are of steel and have advantageously the same diameter as the press roller 6.
  • the material 5 intended for the coating is deposited in the form of a sheet 5a on the first auxiliary roller 7, then this sheet 50 passes over the press roller 6 and finally on the heating drum 2 where it becomes interposed under the band product 1 from the first return roller 3.
  • the machine comprises cooling means 10 from the press roller 6 which are arranged so as to act from the outside over the fraction of its circumference which extends from the support zone of the press roller 6 on the heating drum 2 up to the support zone of the press roller 6 on the first auxiliary roller 7.
  • the press roller 6 and the first auxiliary roller 7 a diameter of 250 mm, the support zones of the press roller 6 on the heating drum 2 and on the first auxiliary roller 7 are separated by an angilar distance of about 130to 150.
  • these cooling means 10 are constituted by a blower device for cooling gas (air at ambiant temperature or previously cooled air).
  • This blower device includes a blower wall 1 1 parallel to the cylindrical wall of the press roller 6 between the support zone on the heating drum 2 and the support zone on the first auxiliary roller 7.
  • This blower wall 11 is provided with blower nozzles 12 and with suction nozzle 12 for the removal of the cooling gas.
  • a supply caisson or tank 14 and an evacuation caisson or tank 15 enable respectively the supply of the blower nozzles 12 and evacuation from the suction nozzle 13.
  • the two ends of the blower wall 11 neighboring the support zone on the heating drum 2 and the support zone on the first auxiliary roller 7 include suction nozzle 13.
  • the cooling means 10 are constituted by a plurality of cooling rollers 16, rotating, arranged parallel to the press roller 6 and applied against the latter so as to define a contact rectangle between each cooling roller 16 and the press roller 6.
  • Each cooling roller 16 is hollow and constituted of metal whose coefficient of thermal conductivity is high, a cooling fluid, preferably a liquid, passing through each of the abovesaid cooling rollers 16.
  • the coating is hence effected under good conditions of regularity and of adherence.
  • cooling means are compatible with the characteristics of the machine, especially as regards the prevention of any direct contact between the outer surface of the cylindrical wall of the press roller and a iquid.
  • Machine for coating a product in band form with a 5 material which has to undergo heat treatment comprising a rotary heating drum having a cylindrical wall, means for applying said band on said cylindrical wall over a fraction only of its circumference, a press roller arranged to deposit said material on said cylindrical wall, said press roller being arranged to rotate in reverse sense to, parallel with the heating drum, and applicable against the heating drum at the level of a support zone located in the remaining fraction of its circumference, feed means for applying said material to the press roller at a feed zone thereof, cooling means for the press roller arranged to act from the outside over a portion only of the cylindrical wall of the press roller, said portion extending from said support zone up to said feed zone, said cooling means being constituted by a device for blowing a cooling gas, said device including a blower wall parallel to the cylindri- 5.
  • Machine for coating a product in band form with a material which has to undergo heat treatment comprising a rotary heating drum having a cylindrical wall,
  • a press roller arranged to deposit said material on said cylindrical wall
  • said press roller being arranged to rotate in reverse sense to, parallel with the heating drum, and applicable against the heating drum at the level of a support zone located in the remaining fraction of its circumference
  • cooling means for applying said material to the press rtfller at a fee zone thereof, coo ng means or the press roller arranged to act from the outside over a portion only of the cylindrical wall of the press roller, said portion extending from said support zone up to said feed zone, said cooling means being constituted by a plurality of cooling rollers arranged to rotate parallel to the press roller and applied against the latter so as to define a contact rectangle between each cooling roller and the press roller, each of said cooling rollers being hollow, constituted of a metal whose coefficient of thermal conductivity is high and adapted for the passage of a cooling fluid therethrough. 7. Machine according to claim 6, wherein said cooling fluid is a liquid.

Landscapes

  • Application Of Or Painting With Fluid Materials (AREA)
  • Coating Apparatus (AREA)
  • Lining Or Joining Of Plastics Or The Like (AREA)
US60357A 1969-08-07 1970-08-03 Machines for coating a product in a band Expired - Lifetime US3682133A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR6927186A FR2055918A5 (ja) 1969-08-07 1969-08-07

Publications (1)

Publication Number Publication Date
US3682133A true US3682133A (en) 1972-08-08

Family

ID=9038770

Family Applications (1)

Application Number Title Priority Date Filing Date
US60357A Expired - Lifetime US3682133A (en) 1969-08-07 1970-08-03 Machines for coating a product in a band

Country Status (3)

Country Link
US (1) US3682133A (ja)
JP (1) JPS4947896B1 (ja)
FR (1) FR2055918A5 (ja)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784406A (en) * 1972-01-24 1974-01-08 Esb Inc Method of applying battery electrodes onto continuous carrier strip
US3993025A (en) * 1974-05-24 1976-11-23 Metzeler Schaum Gesellschaft Mit Beschrankter Haftung Machine for the continuous reverse-coating of sheet-form material with polyurethane foam
US4261286A (en) * 1978-07-07 1981-04-14 Maschinenfabrik Max Kroenert Apparatus for coating of moving sheets with a contact adhesive
US4932352A (en) * 1987-03-09 1990-06-12 Institut Francais Du Petrole Method and device for impregnating an elongate element
US10326125B2 (en) * 2015-11-30 2019-06-18 Toyota Jidosha Kabushiki Kaisha Electrode plate manufacturing method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JP5623021B2 (ja) * 2009-03-02 2014-11-12 ユニ・チャーム株式会社 塗布装置

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711132A (en) * 1952-07-28 1955-06-21 Viscardi Corp Method for printing and coating
US2724362A (en) * 1953-01-12 1955-11-22 Royal Mcbee Corp Wax carbon spot printing machine
US3239367A (en) * 1962-02-19 1966-03-08 Demeter Jozsef Method and apparatus for producing plastic coated carriers
US3548781A (en) * 1968-06-21 1970-12-22 Smithe Machine Co Inc F L Hot melt adhesive applicator

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2711132A (en) * 1952-07-28 1955-06-21 Viscardi Corp Method for printing and coating
US2724362A (en) * 1953-01-12 1955-11-22 Royal Mcbee Corp Wax carbon spot printing machine
US3239367A (en) * 1962-02-19 1966-03-08 Demeter Jozsef Method and apparatus for producing plastic coated carriers
US3548781A (en) * 1968-06-21 1970-12-22 Smithe Machine Co Inc F L Hot melt adhesive applicator

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3784406A (en) * 1972-01-24 1974-01-08 Esb Inc Method of applying battery electrodes onto continuous carrier strip
US3993025A (en) * 1974-05-24 1976-11-23 Metzeler Schaum Gesellschaft Mit Beschrankter Haftung Machine for the continuous reverse-coating of sheet-form material with polyurethane foam
US4261286A (en) * 1978-07-07 1981-04-14 Maschinenfabrik Max Kroenert Apparatus for coating of moving sheets with a contact adhesive
US4932352A (en) * 1987-03-09 1990-06-12 Institut Francais Du Petrole Method and device for impregnating an elongate element
US10326125B2 (en) * 2015-11-30 2019-06-18 Toyota Jidosha Kabushiki Kaisha Electrode plate manufacturing method

Also Published As

Publication number Publication date
JPS4947896B1 (ja) 1974-12-18
FR2055918A5 (ja) 1971-05-14
DE2037961A1 (de) 1971-05-27
DE2037961B2 (de) 1973-01-04

Similar Documents

Publication Publication Date Title
US4400953A (en) Apparatus for the continuous treatment of textile and similar webs of material
US3682133A (en) Machines for coating a product in a band
US3621531A (en) Apparatus for the continuous production of a random-filament fleece
US1920118A (en) Apparatus for making flowed films and sheets
US2842092A (en) Reverse roll coating machine with blade support for web
US3112528A (en) Method and apparatus for prevention of slug formation in the casting of film support and sheeting
US2097601A (en) Method and apparatus for coating paper and the like
GB1361444A (en) Method and apparatus for pile fabric processing
US2974364A (en) Process and apparatus for obtaining smooth surfaces on films
US2032211A (en) Paper coating apparatus and method
US1980923A (en) Method of and apparatus for coating paper
US3242583A (en) Method of drying a running web of sheet material
US3848565A (en) Blanket feed binder applicator
US3392702A (en) Pattern coater
US2249507A (en) Film or sheet forming apparatus
US3800569A (en) Apparatus for applying liquid to a running web
US1942383A (en) Method for coating paper and the like
US2406470A (en) Coating apparatus
US2616188A (en) Web drying apparatus
US2545266A (en) Apparatus for coating webs
US2965927A (en) Film casting apparatus
US3402059A (en) Method and apparatus for applying adhesive and slitting tubular fabric
US2346764A (en) Method and apparatus for making sheet material
US2348817A (en) Board finish apparatus
US2792643A (en) Drying roll