IT996693B - Tappo di pulizia azionabile in due direzioni - Google Patents

Tappo di pulizia azionabile in due direzioni

Info

Publication number
IT996693B
IT996693B IT69729/73A IT6972973A IT996693B IT 996693 B IT996693 B IT 996693B IT 69729/73 A IT69729/73 A IT 69729/73A IT 6972973 A IT6972973 A IT 6972973A IT 996693 B IT996693 B IT 996693B
Authority
IT
Italy
Prior art keywords
directions
operated
cleaning cap
cap
cleaning
Prior art date
Application number
IT69729/73A
Other languages
English (en)
Original Assignee
Knapp K
Knapp C Jr
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 Knapp K, Knapp C Jr filed Critical Knapp K
Application granted granted Critical
Publication of IT996693B publication Critical patent/IT996693B/it

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
    • B08B9/0554—Diablo shaped pigs
    • 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
    • B08B9/0557—Pigs with rings shaped cleaning members, e.g. cup shaped pigs

Landscapes

  • Physics & Mathematics (AREA)
  • Fluid Mechanics (AREA)
  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Cleaning In General (AREA)
  • Multiple-Way Valves (AREA)
IT69729/73A 1972-11-24 1973-09-14 Tappo di pulizia azionabile in due direzioni IT996693B (it)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US00309059A US3857132A (en) 1972-11-24 1972-11-24 Pipeline pig operable in two directions

Publications (1)

Publication Number Publication Date
IT996693B true IT996693B (it) 1975-12-10

Family

ID=23196502

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69729/73A IT996693B (it) 1972-11-24 1973-09-14 Tappo di pulizia azionabile in due direzioni

Country Status (6)

Country Link
US (1) US3857132A (it)
DE (1) DE2357754A1 (it)
FR (1) FR2208316A5 (it)
GB (1) GB1447064A (it)
IT (1) IT996693B (it)
NL (1) NL7314511A (it)

Families Citing this family (27)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3946455A (en) * 1974-05-15 1976-03-30 Marvin Echols Cleaning device for tubes
DE3034258C2 (de) * 1980-09-11 1985-11-14 TRW Repa GmbH, 7071 Alfdorf Antriebsvorrichtung
AU8236782A (en) * 1981-04-08 1982-10-14 Metropolitan Water Sewerage And Drainage Board, The Pipe-cleaning device
US4413370A (en) * 1981-08-17 1983-11-08 T. D. Williamson, Inc. Unitary pig for use in a pipeline
US4425385A (en) * 1982-04-12 1984-01-10 Coulter-Mustang Services Company Method for cleaning and coating pipeline walls
US4603449A (en) * 1985-05-03 1986-08-05 Knapp Kenneth M Unitized pig body for parafin removal
US4767603A (en) * 1986-01-14 1988-08-30 Halliburton Company Pig for a fluid conducting system
FR2612091B1 (fr) * 1987-03-12 1990-02-23 Le Roy Jean Racleur bidirectionnel pour oleoduc
US5265302A (en) * 1991-03-12 1993-11-30 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
US5457841A (en) * 1994-10-13 1995-10-17 Continental Emsco Company Cleaning pig for pipeline of varying diameter
US6122791A (en) * 1999-02-01 2000-09-26 Baugh; Benton F. Retrievable pig
DE29613522U1 (de) * 1996-08-05 1997-12-04 I.S.T. Molchtechnik GmbH, 20355 Hamburg Rohrleitungsmolch
US6067682A (en) 1997-07-15 2000-05-30 Tdw Delaware, Inc. Cup or disc for use as a part of a pipeline pig
FR2769250B1 (fr) * 1997-10-07 1999-11-05 Servinox Soc Nouv Dispositif perfectionne pour le raclage d'une conduite
US5996158A (en) * 1998-03-04 1999-12-07 Praxair Technology, Inc. Cleaning module and novel cleaning studs
BR9801690A (pt) * 1998-05-26 2001-06-19 Petroleo Brasileiro Sa Dispositivo raspador multidimensional bidirecional
US6537383B1 (en) * 2000-11-08 2003-03-25 Halliburton Energy Services, Inc. Subsea pig launcher
DE10301942A1 (de) * 2003-01-20 2004-07-29 Dürr Systems GmbH Hydraulisch dynamischer Monomolch
DE10240072B4 (de) * 2002-08-30 2005-11-24 Dürr Systems GmbH Molch zur Förderung eines Beschichtungsmaterials und Verfahren zu seiner Herstellung
US7000280B1 (en) * 2003-06-02 2006-02-21 Knapp Kenneth M Aggressive pipeline pig
US8671495B2 (en) * 2006-11-06 2014-03-18 Durr Systems, Inc. Scraper pig
FR2912336B1 (fr) * 2007-02-14 2009-08-28 Plastef Investissements Sa Navette de polissage, procede et dispositif de polissage utilisant celle-ci.
US20100192317A1 (en) * 2009-02-02 2010-08-05 Knapp Kenneth M Pipeline Pig With Wear-Resistant Inserts
US8151483B2 (en) * 2010-07-06 2012-04-10 Tdw Delaware, Inc. Progressive dewatering and inhibitor dispersal rolling pig
CA2998777A1 (en) 2017-03-28 2018-09-28 Pep Energy Systems Ltd. Bidirectional electromagnetic propelled thrusters reciprocating independently within a tubular
US20200030859A1 (en) * 2018-07-25 2020-01-30 Chevron U.S.A. Inc. Dissolvable pipeline pig and methods for using

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2188959A (en) * 1937-06-18 1940-02-06 Schaer Eugene Pipe cleaning element
US2576197A (en) * 1944-10-26 1951-11-27 Panhandle Eastern Pipe Line Co Fluid medium propelled and rotated apparatus for cleaning the inside of pipes
US2620037A (en) * 1951-07-02 1952-12-02 Halliburton Oil Well Cementing Cementing head
US3530523A (en) * 1968-11-18 1970-09-29 Williamson Inc T Pipeline pig
US3704478A (en) * 1971-02-25 1972-12-05 Williamson Inc T Pipeline pig
US3725968A (en) * 1971-05-27 1973-04-10 M Knapp Double-dished pipeline pig
US3740790A (en) * 1971-12-06 1973-06-26 Bell Telephone Labor Inc Apparatus for cleaning waveguide and similar pipes

Also Published As

Publication number Publication date
NL7314511A (it) 1974-05-28
FR2208316A5 (it) 1974-06-21
GB1447064A (en) 1976-08-25
US3857132A (en) 1974-12-31
DE2357754A1 (de) 1974-05-30

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