US3687421A - Barrel for use in surface treatment of metal - Google Patents

Barrel for use in surface treatment of metal Download PDF

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Publication number
US3687421A
US3687421A US39393A US3687421DA US3687421A US 3687421 A US3687421 A US 3687421A US 39393 A US39393 A US 39393A US 3687421D A US3687421D A US 3687421DA US 3687421 A US3687421 A US 3687421A
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United States
Prior art keywords
barrel
door
opening
treated
surface treatment
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Expired - Lifetime
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US39393A
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English (en)
Inventor
Siro Kanazu
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Individual
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Individual
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Publication date
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Publication of US3687421A publication Critical patent/US3687421A/en
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    • C—CHEMISTRY; METALLURGY
    • C25—ELECTROLYTIC OR ELECTROPHORETIC PROCESSES; APPARATUS THEREFOR
    • C25D—PROCESSES FOR THE ELECTROLYTIC OR ELECTROPHORETIC PRODUCTION OF COATINGS; ELECTROFORMING; APPARATUS THEREFOR
    • C25D17/00—Constructional parts, or assemblies thereof, of cells for electrolytic coating
    • C25D17/16—Apparatus for electrolytic coating of small objects in bulk
    • C25D17/18—Apparatus for electrolytic coating of small objects in bulk having closed containers
    • C25D17/20—Horizontal barrels

Definitions

  • This barrel is so designed that its door opens inwardly but closes outwardly while it is rotating, whereby necessary treatment is effected while the barrel is turning in the normal direction and treated material is taken out automatically if the barrel is turned in the reverse direction 3Claims,l0Drawing Figures Neilson ..259/89 I skinner;
  • This invention relates to a barrel for use in surface treatment of metal, such as plating, cleansing, etc., having a door which is so designed that it opens automatically only when it comes upwards while the barrel is turning in the normal direction (FIG. 4A, B, C), but if the barrel is turned in the reverse direction, the door opens automatically when it comes upwards and downwards and thus treated material drops automatically from the barrel (FIG. 4D, E, F).
  • This invention has for an object to eliminate the above-mentioned disadvantages, more specifically, a
  • barrel according to the present invention has an opening, through which material to be treated is put in and treated material is taken out, and is rotatably supported in a treating tank filled with a treating liquor.
  • a door is fitted, with hinges, to one of the longitudinal edges of the opening and a free end portion of the door is adapted to overlap the other longitudinal edge of the opening.
  • the door swings by its own weight within the barrel either to open or close the opening automatically, whereby filling of material to be treated and taking out of treated material can be effected automatically.
  • FIG. 1 is a perspective view of a gate-type carrier, using barrels in accordance with the present invention.
  • FIG. 2 is a perspective view of a barrel in accordance with the present invention.
  • FIG. 3 is a side viewof the barrel, taken on the section line 3 3 ofFIG. 2.
  • FIG. 4 is a vertical section of the barrel body of FIG. 3, taken on the section line 4 4, in which A, B and C showing the behavior of the door while the plating is in process and D, E and F showing the behavior of the door when treated material is taken out of the barrel.
  • FIG. 5 is a diagram showing how an endless chain is laid.
  • T1, T2, T3, T4 Tn are treat-tanks in the required shape, arranged in alignment and filled with various treating liquors.
  • a barrel 1 is hung and soaked.
  • Each barrel is lifted up after the required treatment is finished for shifting to the succeeding tank respectively for further treatment and thus all the required treating processes are carried out continuously.
  • This barrel itself may be made in a hexagonal shape as indicated by FIG. 2 or in other polygonal shapes, with side panel boards.
  • Each side wall of the barrel has many small perforations and one of the sides is made an opening 10, to which a door 9 is fixed with hinges.
  • This door 9 is fitted swingably, with hinges, to one of the longitudinal edges 10a of the opening 10 or to one of the edges in parallel with the rotative axial line of the barrel.
  • This door 9 is so designed as to swing only within the barrel itself, namely, if the door swings outwardly, a free edge 9a of the door 9 hits upon the edge 10a of the opening of the barrel.
  • the edge 10a works as if it were a stopper and keeps the door from swinging out of the barrel.
  • the free edge 9a of the door is tapered so that the tapered surface may press the edge 10a of the opening. If the tapered surface is not used, an extra margin is made at the edge to prevent the door from going out of the barrel.
  • a weight 96 may be built in the door or the door may be fitted with a spring.
  • the shifting of barrels in suspended state is carried out by using a conventional gate type carrier as shown by FIG. 1 or by adopting an ordinary suspension system.
  • a barrel is soaked in a treating tank and the required treatment is finished, the barrel is .lifted and shifted to a succeeding tank. While a treating process is under way, the whole weight of the barrel is supported by supporting rods 3, 3.
  • Electrode rods 2 2. which transmit electric current into the barrel are provided protrudingly at said supporting rods 3, between which the barrel is rotatably supported.
  • a gear 4 provided at the outer surface of the side panel board la of the barrel, is engaged with a gear 6 provided at one end of a driving shaft 5.
  • this driving shaft 5 At the other end of this driving shaft 5 is provided a sprocket wheel 7, which is made to engage with a chain 8, etc. mounted on the side frame of the plating device.
  • the sprocket 7 engaging with the chain 8 is caused to turn in the normal direction and accordingly the barrel is rotated.
  • the door of the barrel opens only when the opening of the barrel comes upward as indicated by A, B, and C in FIG. 4
  • the sprocket wheel 7 is engaged with another chain (not shown in the drawing) which runs in the direction contrary to the chain 8 so as to rotate the barrel in the reverse direction as indicated by D, E and F in FIG. 4.
  • another chain not shown in the drawing
  • the door is opened as illustrated due to centrifugal force and the weight of the door itself. Accordingly, treated material falls or is discharged from the barrel automatically.
  • a chute can be provided in the treating tank, where necessary. Discharge of treated material is efiected by rotating the barrel in the reverse direction continuously or by stopping the rotation of the barrel when the door comes downwards and opens.
  • a barrel of hexagonal section or other polygonal section is provided with an automatic door at one of its longitudinal edges.
  • the door is opened or closed automatically by means of centrifugal force according to the normal or the reverse rotation of the barrel and the weight of the door itself. Accordingly, there is no need of stopping the rotation of the barrel to open and close the door. Moreover, after the required treatment is finished, the door is opened automatically to drop treated material, thus making it easy to take out treated material and making it possible to carry out continuous operation, without lifting up the barrel from treating liquor and without stopping the working of the barrel or the whole machine.
  • a rotatable barrel for use in the surface treatment of metal; said barrel comprising a pair of end walls; a plurality of perforate side walls connected to said end walls to form a cross-sectional polygonal shape, one of said said walls forming a door; hinges mounting said door to open inwardly along the longitudinal direction of said barrel; and means to prevent said door from opening outwardly of said barrel; whereby when said barrel is rotated in a first direction ,said door is closed when positioned downwardly, and when said barrel is rotated in a second direction said door is opened when positioned downwardly.
  • a barrel as claimed in claim 1, wherein said means for preventing said door from opening outwardly comprises an edge longitudinally mounted to be engaged by said door when moved outwardly.

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  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Electrochemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Coating Apparatus (AREA)
  • Electroplating Methods And Accessories (AREA)
US39393A 1969-07-03 1970-05-21 Barrel for use in surface treatment of metal Expired - Lifetime US3687421A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP44052877A JPS507013B1 (ja) 1969-07-03 1969-07-03

Publications (1)

Publication Number Publication Date
US3687421A true US3687421A (en) 1972-08-29

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ID=12927095

Family Applications (1)

Application Number Title Priority Date Filing Date
US39393A Expired - Lifetime US3687421A (en) 1969-07-03 1970-05-21 Barrel for use in surface treatment of metal

Country Status (5)

Country Link
US (1) US3687421A (ja)
JP (1) JPS507013B1 (ja)
DE (1) DE2032828A1 (ja)
FR (1) FR2050473B1 (ja)
GB (1) GB1313606A (ja)

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4337135A (en) * 1978-10-06 1982-06-29 Bunker Ramo Corporation Barrel plating apparatus
US4736868A (en) * 1986-06-24 1988-04-12 Singleton Corporation Plating barrel door apparatus
WO2000000669A1 (de) * 1998-06-26 2000-01-06 Ernst Eichholzer Trommelaggregat zur aufnahme von massengut zur oberflächenbehandlung
CN104499036A (zh) * 2014-11-14 2015-04-08 无锡信大气象传感网科技有限公司 电镀滚筒
CN112126969A (zh) * 2020-09-03 2020-12-25 嘉善锦翔自动化机械有限公司 一种大型高效率轨道式滚镀设备及其控制系统
US11752518B2 (en) 2021-06-03 2023-09-12 Sst Systems, Inc. Robot-centered coating system with multiple curing workstations

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS5254407A (en) * 1975-10-29 1977-05-02 Mitsubishi Electric Corp Production of magnetic head
JPS5288318A (en) * 1976-01-20 1977-07-23 Mitsubishi Electric Corp Magnetic head and its production
DE102010052367A1 (de) 2010-11-24 2012-05-24 Volkswagen Ag Anordnung zur Oberflächenbehandlung

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956943A (en) * 1957-11-29 1960-10-18 Mercil Plating Equipment Compa Apparatus for plating articles and method of making same
US3256170A (en) * 1964-05-25 1966-06-14 Mercil Plating Equipment Compa Electroplating barrel
US3439900A (en) * 1967-02-07 1969-04-22 Gs Equipment Co Plastic barrel and method of fabrication

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2956943A (en) * 1957-11-29 1960-10-18 Mercil Plating Equipment Compa Apparatus for plating articles and method of making same
US3256170A (en) * 1964-05-25 1966-06-14 Mercil Plating Equipment Compa Electroplating barrel
US3439900A (en) * 1967-02-07 1969-04-22 Gs Equipment Co Plastic barrel and method of fabrication

Cited By (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4337135A (en) * 1978-10-06 1982-06-29 Bunker Ramo Corporation Barrel plating apparatus
US4736868A (en) * 1986-06-24 1988-04-12 Singleton Corporation Plating barrel door apparatus
WO2000000669A1 (de) * 1998-06-26 2000-01-06 Ernst Eichholzer Trommelaggregat zur aufnahme von massengut zur oberflächenbehandlung
US6402366B1 (en) 1998-06-26 2002-06-11 Ernst Eichholzer Drum unit for receiving bulk material for surface treatment
CN104499036A (zh) * 2014-11-14 2015-04-08 无锡信大气象传感网科技有限公司 电镀滚筒
CN112126969A (zh) * 2020-09-03 2020-12-25 嘉善锦翔自动化机械有限公司 一种大型高效率轨道式滚镀设备及其控制系统
US11752518B2 (en) 2021-06-03 2023-09-12 Sst Systems, Inc. Robot-centered coating system with multiple curing workstations

Also Published As

Publication number Publication date
DE2032828A1 (de) 1971-01-14
GB1313606A (en) 1973-04-18
FR2050473A1 (ja) 1971-04-02
FR2050473B1 (ja) 1974-05-24
JPS507013B1 (ja) 1975-03-20

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