FI792194A - Produkt foersedd med ljuddaempande element - Google Patents

Produkt foersedd med ljuddaempande element

Info

Publication number
FI792194A
FI792194A FI792194A FI792194A FI792194A FI 792194 A FI792194 A FI 792194A FI 792194 A FI792194 A FI 792194A FI 792194 A FI792194 A FI 792194A FI 792194 A FI792194 A FI 792194A
Authority
FI
Finland
Prior art keywords
ljuddaempande
product
foersedd med
foersedd
med
Prior art date
Application number
FI792194A
Other languages
English (en)
Other versions
FI74521C (fi
FI74521B (fi
Inventor
Bror Rossander
Lennart Ermebrant
Martin Lesser
Original Assignee
Fagersta Ab
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 Fagersta Ab filed Critical Fagersta Ab
Publication of FI792194A publication Critical patent/FI792194A/fi
Application granted granted Critical
Publication of FI74521B publication Critical patent/FI74521B/fi
Publication of FI74521C publication Critical patent/FI74521C/fi

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16F—SPRINGS; SHOCK-ABSORBERS; MEANS FOR DAMPING VIBRATION
    • F16F7/00—Vibration-dampers; Shock-absorbers
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B25—HAND TOOLS; PORTABLE POWER-DRIVEN TOOLS; MANIPULATORS
    • B25D—PERCUSSIVE TOOLS
    • B25D17/00—Details of, or accessories for, portable power-driven percussive tools
    • B25D17/11—Arrangements of noise-damping means
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • 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
    • E21B17/00—Drilling rods or pipes; Flexible drill strings; Kellies; Drill collars; Sucker rods; Cables; Casings; Tubings
    • E21B17/006—Accessories for drilling pipes, e.g. cleaners
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S173/00—Tool driving or impacting
    • Y10S173/02—Sound muffling

Landscapes

  • Engineering & Computer Science (AREA)
  • Geology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Mining & Mineral Resources (AREA)
  • Physics & Mathematics (AREA)
  • Environmental & Geological Engineering (AREA)
  • Fluid Mechanics (AREA)
  • General Life Sciences & Earth Sciences (AREA)
  • Geochemistry & Mineralogy (AREA)
  • General Engineering & Computer Science (AREA)
  • Earth Drilling (AREA)
  • Building Environments (AREA)
  • Soundproofing, Sound Blocking, And Sound Damping (AREA)
FI792194A 1978-07-12 1979-07-12 Anordning foer daempning av ljud fraon en borrstaong vid en bergborr. FI74521C (fi)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
SE7807779 1978-07-12
SE7807779A SE439334B (sv) 1978-07-12 1978-07-12 Ljuddempande anordning vid langstreckt halforsedd produkt av metall

Publications (3)

Publication Number Publication Date
FI792194A true FI792194A (fi) 1980-01-13
FI74521B FI74521B (fi) 1987-10-30
FI74521C FI74521C (fi) 1988-02-08

Family

ID=20335438

Family Applications (1)

Application Number Title Priority Date Filing Date
FI792194A FI74521C (fi) 1978-07-12 1979-07-12 Anordning foer daempning av ljud fraon en borrstaong vid en bergborr.

Country Status (14)

Country Link
US (1) US4296830A (fi)
AT (1) AT368246B (fi)
AU (1) AU530592B2 (fi)
BR (1) BR7904498A (fi)
CA (1) CA1113920A (fi)
DE (1) DE2927134A1 (fi)
FI (1) FI74521C (fi)
FR (1) FR2440815A1 (fi)
GB (1) GB2025571B (fi)
IE (1) IE48200B1 (fi)
MX (1) MX153162A (fi)
NO (1) NO154280C (fi)
SE (1) SE439334B (fi)
ZA (1) ZA793519B (fi)

Families Citing this family (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2920139C2 (de) * 1979-05-18 1986-10-02 Ruhrkohle Ag, 4300 Essen Schlagbohrstange
JPH0311508Y2 (fi) * 1985-01-28 1991-03-19
AUPO445897A0 (en) 1997-01-06 1997-01-30 Boart Longyear Inc. Straight hole drilling system
KR20020080212A (ko) * 2001-04-12 2002-10-23 한국과학기술연구원 진동감쇄능이 우수한 복층 금속판재
SE525378C2 (sv) * 2002-01-21 2005-02-08 Sandvik Ab Element för slående bergborrning och metod för dess framställning
US6966839B2 (en) * 2003-07-31 2005-11-22 American Axle & Manufacturing, Inc. Propshaft assembly with damper
DE60332120D1 (de) * 2003-11-17 2010-05-27 Standall Tools Ltd Verfahren zum Bereitstellen eines Werkzeugs für eine motorisierte Maschine
SE534173C2 (sv) * 2009-08-28 2011-05-17 Atlas Copco Secoroc Ab Borrsträngskomponenet med vibrationsdämpande struktur anordnad i anslutning till åtminstone en del av dess insida
EP3048239A1 (en) * 2015-01-26 2016-07-27 Sandvik Intellectual Property AB Deviation resistant drilling guide rod

Family Cites Families (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB347964A (en) * 1929-07-05 1931-05-07 British Thomson Houston Co Ltd Improvements in and relating to vibration damping devices particularly for turbines, propellers and the like
US2051019A (en) * 1933-08-21 1936-08-18 Arutunoff Arieais Means for stabilizing the fluctuating flow of liquids in pipe or conduit systems
US2109937A (en) * 1937-05-24 1938-03-01 Trbojevich Nikola Shaft or beam
GB515807A (en) * 1938-06-16 1939-12-14 James Mason An improved method of silencing bits or drills for pneumatic breakers
GB669019A (en) * 1950-07-26 1952-03-26 Hardy Spicer & Co Ltd Improvements relating to tubular drive shafts
GB754518A (en) * 1953-11-16 1956-08-08 Gen Motors Corp Improved propeller shaft
US2848882A (en) * 1955-11-25 1958-08-26 Gen Motors Corp Drive noise insulating means
DE1049162B (de) * 1957-07-25 1959-01-22 Maschf Augsburg Nuernberg Ag Maschinenteil mit schwingungsdaempfenden Reibflaechen
US3526293A (en) * 1968-06-13 1970-09-01 Gardner Denver Co Muffler for fluid actuated tool
GB1284881A (en) * 1968-08-16 1972-08-09 Holman Brothers Ltd Pneumatic breaker steels
FR2142165A5 (fi) * 1971-06-15 1973-01-26 Wilman Sigismond
FR2151738A5 (fi) * 1971-09-10 1973-04-20 Wilman Sigismond
US3861494A (en) * 1973-11-19 1975-01-21 Ingersoll Rand Co Sound absorbing device
US4030553A (en) * 1975-06-23 1977-06-21 Rockwell Thomas H Percussion tool with noise reducing characteristics and method of making
SE398092B (sv) * 1976-07-15 1977-12-05 Hell Hans Fredrik Gustav Anordning for ljuddempning i segelbatsriggar

Also Published As

Publication number Publication date
ZA793519B (en) 1980-07-30
US4296830A (en) 1981-10-27
GB2025571A (en) 1980-01-23
FR2440815A1 (fr) 1980-06-06
IE48200B1 (en) 1984-10-31
SE439334B (sv) 1985-06-10
CA1113920A (en) 1981-12-08
DE2927134A1 (de) 1980-01-31
FI74521C (fi) 1988-02-08
MX153162A (es) 1986-08-14
DE2927134C2 (fi) 1988-05-05
ATA487479A (de) 1982-01-15
IE791187L (en) 1980-01-12
AU530592B2 (en) 1983-07-21
SE7807779L (sv) 1980-01-13
BR7904498A (pt) 1980-05-06
NO154280C (no) 1986-08-20
GB2025571B (en) 1983-03-23
FR2440815B1 (fi) 1983-04-08
NO792206L (no) 1980-01-15
AT368246B (de) 1982-09-27
AU4876879A (en) 1980-01-17
FI74521B (fi) 1987-10-30

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Legal Events

Date Code Title Description
MM Patent lapsed

Owner name: FAGERSTA AB