DE68901565D1 - Reinigungsmolch mit selektierbarer schuttabspuelung. - Google Patents

Reinigungsmolch mit selektierbarer schuttabspuelung.

Info

Publication number
DE68901565D1
DE68901565D1 DE8989302198T DE68901565T DE68901565D1 DE 68901565 D1 DE68901565 D1 DE 68901565D1 DE 8989302198 T DE8989302198 T DE 8989302198T DE 68901565 T DE68901565 T DE 68901565T DE 68901565 D1 DE68901565 D1 DE 68901565D1
Authority
DE
Germany
Prior art keywords
rubbish
rinsing
selectable
cleaning pig
pig
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 - Fee Related
Application number
DE8989302198T
Other languages
English (en)
Inventor
William J Rankin
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.)
TDW Delaware Inc
Original Assignee
TDW Delaware Inc
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 TDW Delaware Inc filed Critical TDW Delaware Inc
Application granted granted Critical
Publication of DE68901565D1 publication Critical patent/DE68901565D1/de
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
    • B08B9/00—Cleaning hollow articles by methods or apparatus specially adapted thereto 
    • B08B9/02—Cleaning pipes or tubes or systems of pipes or tubes
    • B08B9/027—Cleaning the internal surfaces; Removal of blockages
    • B08B9/04—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes
    • B08B9/053—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction
    • B08B9/055—Cleaning the internal surfaces; Removal of blockages using cleaning devices introduced into and moved along the pipes moved along the pipes by a fluid, e.g. by fluid pressure or by suction the cleaning devices conforming to, or being conformable to, substantially the same cross-section of the pipes, e.g. pigs or moles
    • B08B9/0553—Cylindrically shaped pigs

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
DE8989302198T 1988-03-25 1989-03-06 Reinigungsmolch mit selektierbarer schuttabspuelung. Expired - Fee Related DE68901565D1 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US07/173,284 US4825498A (en) 1988-03-25 1988-03-25 Cleaning pig with selectable debris flushing action

Publications (1)

Publication Number Publication Date
DE68901565D1 true DE68901565D1 (de) 1992-06-25

Family

ID=22631319

Family Applications (1)

Application Number Title Priority Date Filing Date
DE8989302198T Expired - Fee Related DE68901565D1 (de) 1988-03-25 1989-03-06 Reinigungsmolch mit selektierbarer schuttabspuelung.

Country Status (8)

Country Link
US (1) US4825498A (de)
EP (1) EP0334502B1 (de)
AR (1) AR240260A1 (de)
AU (1) AU609266B2 (de)
BR (1) BR8901344A (de)
DE (1) DE68901565D1 (de)
MX (1) MX166126B (de)
NO (1) NO891234L (de)

Families Citing this family (14)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5113544A (en) * 1990-02-08 1992-05-19 Webb Brian C Pipeline pig
US5265302A (en) * 1991-03-12 1993-11-30 Orlande Sivacoe Pipeline pig
US5150493A (en) * 1991-03-25 1992-09-29 Orlande Sivacoe Pipeline pig
US5358573A (en) * 1991-03-25 1994-10-25 Orlande Sivacoe Method of cleaning a pipe with a cylindrical pipe pig having pins in the central portion
US5213623A (en) * 1991-04-05 1993-05-25 Burtner Gerald G Process for cleaning nitric acid absorption column coils
DE4237553C2 (de) * 1991-11-12 1996-09-26 Shizuo Sagawa Stempel zur Verwendung bei einem Verfahren zum Beschichten einer Rohr-Innenfläche
US5384929A (en) * 1994-04-14 1995-01-31 Tdw Delaware, Inc. Pig for use in cleaning the interior wall of a pipeline
GB9506797D0 (en) * 1995-04-01 1995-05-24 Rotary Drilling Supplies Europ Well cleaning apparatus
US5533224A (en) * 1995-04-12 1996-07-09 Knapp; Kenneth M. Foam pig with scraper strips
US5903945A (en) * 1997-02-27 1999-05-18 Lundie; Kevin R.J. Pipeline pig
US20070151055A1 (en) 2006-01-04 2007-07-05 766089 Alberta Ltd. Pipeline pig brush and brush assembly
CA2611271C (en) * 2007-02-01 2014-02-18 Altex Technologies Inc. Scraping element for a pipeline pig
US20100154153A1 (en) * 2008-12-24 2010-06-24 766089 Alberta Ltd. Pipeline pig brush
US10279380B2 (en) 2016-04-29 2019-05-07 Chevron Phillips Chemical Company Lp Cleaning coke deposits from process equipment

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3605159A (en) * 1968-11-20 1971-09-20 Harry J Girard Pipe line pig or swipe
NL8402419A (nl) * 1984-08-03 1986-03-03 Jochim Van Beugen Pijpleiding-reinigingsplug.
US4720884A (en) * 1987-01-29 1988-01-26 T. D. Williamson, Inc. Cleaning pig with debris flushing action

Also Published As

Publication number Publication date
AR240260A1 (es) 1990-03-30
US4825498A (en) 1989-05-02
NO891234L (no) 1989-09-26
AU3120989A (en) 1989-09-28
EP0334502B1 (de) 1992-05-20
EP0334502A1 (de) 1989-09-27
NO891234D0 (no) 1989-03-21
MX166126B (es) 1992-12-21
BR8901344A (pt) 1989-11-07
AU609266B2 (en) 1991-04-26

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8339 Ceased/non-payment of the annual fee