CA2019578A1 - Cleaning method and system using a solvent - Google Patents

Cleaning method and system using a solvent

Info

Publication number
CA2019578A1
CA2019578A1 CA 2019578 CA2019578A CA2019578A1 CA 2019578 A1 CA2019578 A1 CA 2019578A1 CA 2019578 CA2019578 CA 2019578 CA 2019578 A CA2019578 A CA 2019578A CA 2019578 A1 CA2019578 A1 CA 2019578A1
Authority
CA
Canada
Prior art keywords
solvent
cleaning tank
cleaning
vapor
cleaned
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
Application number
CA 2019578
Other languages
French (fr)
Other versions
CA2019578C (en
Inventor
Masato Tanaka
Tadayoshi Ichikawa
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.)
Chiyoda Manufacturing Corp
Original Assignee
Chiyoda Manufacturing Corp
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
Priority claimed from JP1160628A external-priority patent/JP2721704B2/en
Priority claimed from JP1271637A external-priority patent/JPH0389984A/en
Application filed by Chiyoda Manufacturing Corp filed Critical Chiyoda Manufacturing Corp
Publication of CA2019578A1 publication Critical patent/CA2019578A1/en
Application granted granted Critical
Publication of CA2019578C publication Critical patent/CA2019578C/en
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • 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
    • B08B3/10—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration
    • B08B3/12—Cleaning involving contact with liquid with additional treatment of the liquid or of the object being cleaned, e.g. by heat, by electricity or by vibration by sonic or ultrasonic vibrations
    • 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
    • B08B3/08—Cleaning involving contact with liquid the liquid having chemical or dissolving effect

Landscapes

  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Cleaning By Liquid Or Steam (AREA)

Abstract

A cleaning method and cleaning system using an organic solvent such as Freon. A cleaning tank (1) is closed after an article (2) to be cleaned is placed within the cleaning tank. The cleaning tank (1) has a downwardly concave bottom wall (60) carrying ultrasonic oscillators (11). The solvent is supplied to the cleaning tank (1) from a solvent storage tank (3). The article is cleaned with the supplied solvent. After the cleaning, the solvent is discharged in liquid state from the cleaning tank (1) while vapor of the solvent which remains in the cleaning tank is discharged to a condenser (16) to condense the vapor. The condensed solvent is returned from the condenser (16) into the solvent storage tank (3). After the liquid solvent and vapor solvent are discharged from the cleaning tank (1), the cleaned article is taken out from the cleaning tank. Before the cleaned article is taken out, air is introduced into the cleaning tank (1) at least at a last part of the step of discharging the vapor of the solvent. The condenser (16) is incorporated in a distiller (14). A solvent vapor supplying unit (34) is connected to the cleaning tank (1). The thus provided closed system prevents release of Freon to the atmosphere.
CA 2019578 1989-06-26 1990-06-21 Cleaning method and system using a solvent Expired - Fee Related CA2019578C (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
JP1160628A JP2721704B2 (en) 1989-06-26 1989-06-26 Cleaning equipment using organic solvents
JP160628/1989 1989-06-26
JP271637/1989 1989-10-20
JP1271637A JPH0389984A (en) 1989-04-20 1989-10-20 Method for operating washing apparatus using organic solvent

Publications (2)

Publication Number Publication Date
CA2019578A1 true CA2019578A1 (en) 1990-12-26
CA2019578C CA2019578C (en) 1999-08-03

Family

ID=26487073

Family Applications (1)

Application Number Title Priority Date Filing Date
CA 2019578 Expired - Fee Related CA2019578C (en) 1989-06-26 1990-06-21 Cleaning method and system using a solvent

Country Status (3)

Country Link
AU (1) AU635540B2 (en)
CA (1) CA2019578C (en)
RU (1) RU2008989C1 (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112246762A (en) * 2020-08-25 2021-01-22 南京视莱尔汽车电子有限公司 Automatic cleaning equipment for parts for automobile manufacturing and using method thereof

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0490501A3 (en) * 1990-12-11 1992-08-12 Imperial Chemical Industries Plc Cleaning of articles
JP3209426B2 (en) 1991-10-04 2001-09-17 シーエフエムティ インコーポレイテッド Cleaning microparts with complex shapes

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4029517A (en) * 1976-03-01 1977-06-14 Autosonics Inc. Vapor degreasing system having a divider wall between upper and lower vapor zone portions
DE3145815C2 (en) * 1981-11-19 1984-08-09 AGA Gas GmbH, 2102 Hamburg Process for removing peelable layers of material from coated objects,
DE3300666C3 (en) * 1982-01-26 1998-04-09 Guido Zucchini Washing process for metal-containing and non-metal-containing parts such as small parts, mechanical components and parts for the electronic industry and a machine for carrying out this process

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112246762A (en) * 2020-08-25 2021-01-22 南京视莱尔汽车电子有限公司 Automatic cleaning equipment for parts for automobile manufacturing and using method thereof

Also Published As

Publication number Publication date
CA2019578C (en) 1999-08-03
AU5783790A (en) 1991-01-03
AU635540B2 (en) 1993-03-25
RU2008989C1 (en) 1994-03-15

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Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed