BE757441A - ARRANGEMENT FOR MOUNTING SCRAPING BLADES - Google Patents

ARRANGEMENT FOR MOUNTING SCRAPING BLADES

Info

Publication number
BE757441A
BE757441A BE757441DA BE757441A BE 757441 A BE757441 A BE 757441A BE 757441D A BE757441D A BE 757441DA BE 757441 A BE757441 A BE 757441A
Authority
BE
Belgium
Prior art keywords
arrangement
scraping blades
mounting
mounting scraping
blades
Prior art date
Application number
Other languages
French (fr)
Original Assignee
Armstrong Richard M
Armstrong Andrew J
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.)
Publication date
Publication of BE757441A publication Critical patent/BE757441A/en

Links

Classifications

    • E—FIXED CONSTRUCTIONS
    • E21—EARTH OR ROCK DRILLING; MINING
    • E21B—EARTH OR ROCK DRILLING; OBTAINING OIL, GAS, WATER, SOLUBLE OR MELTABLE MATERIALS OR A SLURRY OF MINERALS FROM WELLS
    • E21B37/00—Methods or apparatus for cleaning boreholes or wells
    • E21B37/02—Scrapers specially adapted therefor
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F28—HEAT EXCHANGE IN GENERAL
    • F28F—DETAILS OF HEAT-EXCHANGE AND HEAT-TRANSFER APPARATUS, OF GENERAL APPLICATION
    • F28F19/00—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers
    • F28F19/008—Preventing the formation of deposits or corrosion, e.g. by using filters or scrapers by using scrapers

Landscapes

  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mining & Mineral Resources (AREA)
  • Geology (AREA)
  • Physics & Mathematics (AREA)
  • General Engineering & Computer Science (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • Mechanical Engineering (AREA)
  • Thermal Sciences (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • Cleaning In General (AREA)
  • Preliminary Treatment Of Fibers (AREA)
  • Crushing And Grinding (AREA)
  • Crushing And Pulverization Processes (AREA)
  • Milling, Broaching, Filing, Reaming, And Others (AREA)
BE757441D 1969-10-14 ARRANGEMENT FOR MOUNTING SCRAPING BLADES BE757441A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US86621869A 1969-10-14 1969-10-14

Publications (1)

Publication Number Publication Date
BE757441A true BE757441A (en) 1971-04-13

Family

ID=25347177

Family Applications (1)

Application Number Title Priority Date Filing Date
BE757441D BE757441A (en) 1969-10-14 ARRANGEMENT FOR MOUNTING SCRAPING BLADES

Country Status (9)

Country Link
US (1) US3621506A (en)
JP (1) JPS4938680B1 (en)
BE (1) BE757441A (en)
CA (1) CA918360A (en)
ES (1) ES195600Y (en)
FR (1) FR2064322B1 (en)
GB (1) GB1261480A (en)
NL (1) NL149905B (en)
ZA (1) ZA706805B (en)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3990948A (en) * 1975-02-11 1976-11-09 Koppers Company, Inc. Apparatus for cleaning the bottom surface of a coke oven door plug
US4417952A (en) * 1981-12-28 1983-11-29 Koppers Company, Inc. Apparatus for cleaning coke oven doors
US4540471A (en) * 1984-06-25 1985-09-10 Progressive Recovery, Inc. Solvent distillation unit with adjustable scrapers
US4885105A (en) * 1987-05-14 1989-12-05 The Clorox Company Films from PVA modified with nonhydrolyzable anionic comonomers
JPH0248505A (en) * 1988-08-10 1990-02-19 Tosa Guriinzu Kk Agricultural chemical packed in paper bag
US5082534A (en) * 1990-03-14 1992-01-21 Wayne Technology, Inc. Pyrolytic conversion system
US5225044A (en) * 1990-03-14 1993-07-06 Wayne Technology, Inc. Pyrolytic conversion system
JPH0656158A (en) * 1991-02-08 1994-03-01 Kao Corp Water-soluble strip wrapping sheet
GB2274321A (en) * 1993-01-19 1994-07-20 Pacific Well Services Limited Reaming tool for cleaning pipes
US5654470A (en) * 1995-08-11 1997-08-05 Eastman Kodak Company Recovery of components from polyester resins
CN101985564B (en) * 2010-08-19 2011-09-14 西峡龙成特种材料有限公司 Vertical coal decomposing equipment
DK2684004T3 (en) * 2011-03-11 2017-01-09 Blentech Corp Heat exchanger with multiple surfaces with the possibility vacuo and magnetic scrapers
CN105370245B (en) * 2014-08-29 2018-01-05 中国石油天然气股份有限公司 Sucker rod wax scraper
CN110725015B (en) * 2019-11-06 2024-10-11 杭州锐冠科技有限公司 Scraper head
PL243377B1 (en) 2021-06-28 2023-08-14 Borawski Marek Bilab Heat exchanger assembly

Also Published As

Publication number Publication date
ZA706805B (en) 1971-07-28
DE2047366A1 (en) 1971-05-13
GB1261480A (en) 1972-01-26
US3621506A (en) 1971-11-23
DE2047366B2 (en) 1975-11-27
NL7014720A (en) 1971-04-16
ES195600U (en) 1975-02-16
FR2064322B1 (en) 1973-01-12
NL149905B (en) 1976-06-15
CA918360A (en) 1973-01-09
JPS4938680B1 (en) 1974-10-19
FR2064322A1 (en) 1971-07-23
ES195600Y (en) 1975-08-01

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Legal Events

Date Code Title Description
RE20 Patent expired

Owner name: R.M. ARMSTRONG & A.J. ARMSTRONG

Effective date: 19901013