US3570504A - Washing and drying apparatus - Google Patents

Washing and drying apparatus Download PDF

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Publication number
US3570504A
US3570504A US764196A US3570504DA US3570504A US 3570504 A US3570504 A US 3570504A US 764196 A US764196 A US 764196A US 3570504D A US3570504D A US 3570504DA US 3570504 A US3570504 A US 3570504A
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US
United States
Prior art keywords
sheet
rollers
drying
washing
hot air
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
US764196A
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English (en)
Inventor
John J Frantzen
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.)
Buckbee Mears Co
Original Assignee
Buckbee Mears Co
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 Buckbee Mears Co filed Critical Buckbee Mears Co
Application granted granted Critical
Publication of US3570504A publication Critical patent/US3570504A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G3/00—Apparatus for cleaning or pickling metallic material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/04—Cleaning involving contact with liquid
    • B08B3/041—Cleaning travelling work
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29D—PRODUCING PARTICULAR ARTICLES FROM PLASTICS OR FROM SUBSTANCES IN A PLASTIC STATE
    • B29D7/00—Producing flat articles, e.g. films or sheets
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G49/00—Conveying systems characterised by their application for specified purposes not otherwise provided for
    • B65G49/02—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid
    • B65G49/04—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction
    • B65G49/0409—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length
    • B65G49/0413—Conveying systems characterised by their application for specified purposes not otherwise provided for for conveying workpieces through baths of liquid the workpieces being immersed and withdrawn by movement in a vertical direction specially adapted for workpieces of definite length arrangements for conveyance through the bath
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C71/00—After-treatment of articles without altering their shape; Apparatus therefor

Definitions

  • ABSTRACT A washing and drying apparatus having a plu- [51] lnt.CI. B08b 3/10 rality of elongated rollers which are power driven so as to [50] Field ofSearch 134/64, 83, produce a, propelling surface for transporting material through 1 122 a cleaning solution and a drying station.
  • This invention relates generally to washing and drying apparatus and, more specifically, to an automated washing and drying apparatus for sheet material.
  • the conventional method of processing these sheets comprises feeding a continuous web through a number of processing stations. Prior to applying the final etchant, a machine severs the web into smaller rectangular or square sheets. These smaller sheets must be washed and dried after application of the final etchant to remove any contaminants on the sheet. Ideally it would be advantageous to wash and dry the etched sheet as part of these production line processing stations.
  • conventional conveyor belt systems for transporting these sheets has proven unsatisfactory because the conveyor belt remains wet after passing through the washing solution. Obviously, if the conveyor belt remains wet it is difficult, if not impossible, to dry any sheet material on it.
  • a propelling surface comprising a plurality of elongated, parallel, spaced rollers. These rollers remain stationary as they rotate about a central axis, however, the rotating motion of the roller propels material from the top of one roller to the top of an adjacent roller.
  • This type of propelling motion moves only the sheet and not the entire conveyor belt.
  • some of the rollers can be located in a washing solution and some of the rollers can be located in a drying region without having continual transfer of the solution by the conveying mechanism.
  • this type of system is especially adapted for drying by hot air techniques.
  • hot air blowers can be located above and below the rollers so as to blow hot air on both sides of the etched sheet. Furthermore, because no portion of the sheet remains in continuous contact with the propelling surface the entire sheet is exposed to the hot drying air. Also any moisture transferred to the rollers from the sheet material quickly evaporates as the roller surface is continuously exposed to hot air. Other advantages of mywashing and drying station will become apparent in the description of the preferred embodiment.
  • this invention comprises a washing and drying apparatus having a propelling surface comprising parallel, spaced, elongated rollers for continuously and automatically propelling sheet material through a washing solution and a dryer unit.
  • FIG. 1 is.a schematic of my washing and drying apparatus
  • FIG. 2 is a side view of my washing and drying apparatus partially in section
  • FIG. 3 is a partial top view of my washing and drying apparatus.
  • reference numeral 10 generally designates a schematic of my washing and drying apparatus comprising a pluralityof rollers 11, a solution tank 12, a top blower-heater unit 13, and a lower blower-heater unit 14. A number of sheets designated by reference numeral 15 are shown located on top of the rollers 1 1.
  • reference numeral 20 designates an in line washing and drying apparatus.
  • Apparatus 20 comprises a stand 21 rigidly fastened to floor 22 through suitable fastening means (not shown).
  • stand 21 Located in stand 21 are a pair of parallel end support bars 23 having a plurality of rollers '24 journaled therein for providing an arcuate propelling surface. End support bars 23 pass through a solution tank 12 that fastens to stand 21 through suitable fastening means (also not shown).
  • Located on the top of stand 21 is a first blower 30, a first motor 31 for driving the blower and a first air heating unit 32.
  • a duct 35 directs the heated air from heating unit 32 through a diverging elbow 36 onto the top of rollers 24.
  • rollers 24 comprise a number of elongated, parallel, spaced rollers having a first sprocket wheel 50 and a second sprocket wheel 51 located on one end.
  • a number of endless chains connect the sprocket on each roller to the sprocket on the roller immediately adjacent to itself. This provides a continual mechanical connection between the rollers so that rotation of one roller produces a corresponding rotation of the other rollers thus creating a propelling surface for moving a sheet of material thereover.
  • rollers 24 are made from a metallic material so they rapidly transfer any retained heat to the sheet material thus aiding in drying. Also, any moisture on the rollers evaporates quickly from these heated metal rollers. Although metal rollers are preferred, it is apparent that other roller materials would also be suitable.
  • a motor drives the rollers through a sprocket 61 which fastens to one of the rollers through a differential 62, a sprocket 63 and an endless chain 64.
  • rollers 24 receive a sheet and propel it along successive rollers and through a solution of deionized water in tank 12.
  • rollers continue to propel the etched sheet 15 through the deionized water and up a slight incline at the rate that does not exceed 65 inches per minute. This speed range is preferred as it is suitable for obtaining adequate drying and also matches up with the speed of the processing stations. Rollers 24 continue to propel the sheet between the hot air emerging from elbow 36 and elbow 45. Typically, the hot air emerging from elbow 36 and elbow 45 is maintained at a temperature of approximately 400 F. so as to quickly dry both sides of the etched sheets.
  • said means comprising a pair of sprocket wheels on each roller each connected to an adjacent roller through an endless chain belt; and drying means for supplying hot air to the top and bottom of said propelling surface in an impinging relation against a sheet of material that emerges from said cleaning solution.
  • said last drying means includes a first drying unit for directing hot air on the top of a sheet of material and a second drying unit for directing hot air at the underside of a sheet of material.

Landscapes

  • Chemical & Material Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Materials Engineering (AREA)
  • General Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Organic Chemistry (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • ing And Chemical Polishing (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)
  • Drying Of Solid Materials (AREA)
  • Cleaning In General (AREA)
US764196A 1968-10-01 1968-10-01 Washing and drying apparatus Expired - Lifetime US3570504A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US76419668A 1968-10-01 1968-10-01

Publications (1)

Publication Number Publication Date
US3570504A true US3570504A (en) 1971-03-16

Family

ID=25069966

Family Applications (1)

Application Number Title Priority Date Filing Date
US764196A Expired - Lifetime US3570504A (en) 1968-10-01 1968-10-01 Washing and drying apparatus

Country Status (4)

Country Link
US (1) US3570504A (de)
DE (1) DE1920736A1 (de)
GB (1) GB1227656A (de)
NL (1) NL6906045A (de)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4821754A (en) * 1983-12-16 1989-04-18 David R. Webb Co., Inc. Flitch washer

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2527106A1 (fr) * 1982-05-21 1983-11-25 Alain Ledru Dispositif pour machine a laver industrielle autonome a double sas pour " economie d'energie "
FR2559509B1 (fr) * 1984-02-15 1986-07-04 Stic Hafroy Procede et installation pour le nettoyage et le sechage de pieces diverses, notamment de pieces mecaniques pour automobile
WO1996022844A1 (en) * 1995-01-27 1996-08-01 Trustees Of Boston University Acoustic coaxing methods and apparatus

Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US493560A (en) * 1893-03-14 Machine for cleaning metal plates
US1374335A (en) * 1920-01-06 1921-04-12 Sundh Engineering And Machine Apparatus for drying metal strips
US1488553A (en) * 1923-01-26 1924-04-01 Willis G Waldo Process of coating sheet steel with aluminum
US1609474A (en) * 1925-07-22 1926-12-07 Herbert W Guettler Log washer
US2784119A (en) * 1953-09-17 1957-03-05 Libbey Owens Ford Glass Co Ultrasonic cleaning of curved surfaces, and apparatus therefor
US2998823A (en) * 1956-05-15 1961-09-05 Libbey Owens Ford Glass Co Apparatus for cleaning surfaces
US3082774A (en) * 1961-02-08 1963-03-26 Ct Circuits Inc Etching machine

Patent Citations (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US493560A (en) * 1893-03-14 Machine for cleaning metal plates
US1374335A (en) * 1920-01-06 1921-04-12 Sundh Engineering And Machine Apparatus for drying metal strips
US1488553A (en) * 1923-01-26 1924-04-01 Willis G Waldo Process of coating sheet steel with aluminum
US1609474A (en) * 1925-07-22 1926-12-07 Herbert W Guettler Log washer
US2784119A (en) * 1953-09-17 1957-03-05 Libbey Owens Ford Glass Co Ultrasonic cleaning of curved surfaces, and apparatus therefor
US2998823A (en) * 1956-05-15 1961-09-05 Libbey Owens Ford Glass Co Apparatus for cleaning surfaces
US3082774A (en) * 1961-02-08 1963-03-26 Ct Circuits Inc Etching machine

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4821754A (en) * 1983-12-16 1989-04-18 David R. Webb Co., Inc. Flitch washer

Also Published As

Publication number Publication date
NL6906045A (de) 1970-04-03
DE1920736A1 (de) 1970-06-18
GB1227656A (de) 1971-04-07

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