FR2440815A1 - Objet metallique creux, amorti contre le bruit - Google Patents
Objet metallique creux, amorti contre le bruitInfo
- Publication number
- FR2440815A1 FR2440815A1 FR7917815A FR7917815A FR2440815A1 FR 2440815 A1 FR2440815 A1 FR 2440815A1 FR 7917815 A FR7917815 A FR 7917815A FR 7917815 A FR7917815 A FR 7917815A FR 2440815 A1 FR2440815 A1 FR 2440815A1
- Authority
- FR
- France
- Prior art keywords
- cavity
- metal object
- damping element
- sound
- metal
- 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
Links
- 239000002184 metal Substances 0.000 title abstract 3
- 238000013016 damping Methods 0.000 abstract 4
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)
- Mechanical Engineering (AREA)
- Mining & Mineral Resources (AREA)
- Geology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Fluid Mechanics (AREA)
- Environmental & Geological Engineering (AREA)
- Physics & Mathematics (AREA)
- General Engineering & Computer Science (AREA)
- General Life Sciences & Earth Sciences (AREA)
- Geochemistry & Mineralogy (AREA)
- Earth Drilling (AREA)
- Building Environments (AREA)
- Soundproofing, Sound Blocking, And Sound Damping (AREA)
Abstract
L'INVENTION CONCERNE L'INDUSTRIE MECANIQUE. L'OBJET METALLIQUE 6 EST PERCE D'UN CANAL AXIAL 8, ET COMPORTE UN ELEMENT D'AMORTISSEMENT SONORE, POUR ATTENUER LE BRUIT PRODUIT PAR L'OBJET METALLIQUE SOUMIS A DES CHOCS OU PERCUSSIONS, DONNANT NAISSANCE A DES ONDES SONORES GENANTES POUR L'OREILLE. L'ELEMENT D'AMORTISSEMENT SONORE 12, PAR EXEMPLE TUBULAIRE, EST MONTE DANS LA CAVITE 8, ET N'OCCUPE QU'UNE PARTIE DE LA SECTION TRANSVERSALE DE CETTE CAVITE. L'ELEMENT D'AMORTISSEMENT 12 EST EN APPUI SUR LA PAROI DE LA CAVITE 8 PAR AU MOINS UNE PLAGE DE CONTACT, D'UNE MANIERE LIBRE, ET EN UN ENDROIT SITUE ENTRE LES NOEUDS DES ONDES SONORES, POUR REALISER AU MOINS UN AMORTISSEMENT A SIMPLE EFFET DES ONDES PRECITEES. APPLICATION AUX OBJETS METALLIQUES CREUX ET BRUYANTS, TELS QUE DES FLEURETS DE PERFORATION A PERCUSSION, OU DES TUBES METALLIQUES, POUR REDUIRE LES BRUITS GENANTS POUR L'OREILLE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
SE7807779A SE439334B (sv) | 1978-07-12 | 1978-07-12 | Ljuddempande anordning vid langstreckt halforsedd produkt av metall |
Publications (2)
Publication Number | Publication Date |
---|---|
FR2440815A1 true FR2440815A1 (fr) | 1980-06-06 |
FR2440815B1 FR2440815B1 (fr) | 1983-04-08 |
Family
ID=20335438
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR7917815A Granted FR2440815A1 (fr) | 1978-07-12 | 1979-07-10 | Objet metallique creux, amorti contre le bruit |
Country Status (14)
Country | Link |
---|---|
US (1) | US4296830A (fr) |
AT (1) | AT368246B (fr) |
AU (1) | AU530592B2 (fr) |
BR (1) | BR7904498A (fr) |
CA (1) | CA1113920A (fr) |
DE (1) | DE2927134A1 (fr) |
FI (1) | FI74521C (fr) |
FR (1) | FR2440815A1 (fr) |
GB (1) | GB2025571B (fr) |
IE (1) | IE48200B1 (fr) |
MX (1) | MX153162A (fr) |
NO (1) | NO154280C (fr) |
SE (1) | SE439334B (fr) |
ZA (1) | ZA793519B (fr) |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE2920139C2 (de) * | 1979-05-18 | 1986-10-02 | Ruhrkohle Ag, 4300 Essen | Schlagbohrstange |
JPH0311508Y2 (fr) * | 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 (fr) * | 2015-01-26 | 2016-07-27 | Sandvik Intellectual Property AB | Tige de guidage de forage résistant à une déviation |
Citations (10)
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 |
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 |
GB1284881A (en) * | 1968-08-16 | 1972-08-09 | Holman Brothers Ltd | Pneumatic breaker steels |
FR2142165A5 (fr) * | 1971-06-15 | 1973-01-26 | Wilman Sigismond | |
FR2151738A5 (fr) * | 1971-09-10 | 1973-04-20 | Wilman Sigismond | |
US4030553A (en) * | 1975-06-23 | 1977-06-21 | Rockwell Thomas H | Percussion tool with noise reducing characteristics and method of making |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2051019A (en) * | 1933-08-21 | 1936-08-18 | Arutunoff Arieais | Means for stabilizing the fluctuating flow of liquids in pipe or conduit systems |
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 |
US3861494A (en) * | 1973-11-19 | 1975-01-21 | Ingersoll Rand Co | Sound absorbing device |
SE398092B (sv) * | 1976-07-15 | 1977-12-05 | Hell Hans Fredrik Gustav | Anordning for ljuddempning i segelbatsriggar |
-
1978
- 1978-07-12 SE SE7807779A patent/SE439334B/sv unknown
-
1979
- 1979-06-26 GB GB7922237A patent/GB2025571B/en not_active Expired
- 1979-07-02 NO NO792206A patent/NO154280C/no unknown
- 1979-07-05 DE DE19792927134 patent/DE2927134A1/de active Granted
- 1979-07-09 AU AU48768/79A patent/AU530592B2/en not_active Ceased
- 1979-07-10 FR FR7917815A patent/FR2440815A1/fr active Granted
- 1979-07-10 CA CA331,502A patent/CA1113920A/fr not_active Expired
- 1979-07-10 US US06/056,293 patent/US4296830A/en not_active Expired - Lifetime
- 1979-07-12 MX MX178450A patent/MX153162A/es unknown
- 1979-07-12 FI FI792194A patent/FI74521C/fi not_active IP Right Cessation
- 1979-07-12 ZA ZA00793519A patent/ZA793519B/xx unknown
- 1979-07-12 AT AT0487479A patent/AT368246B/de not_active IP Right Cessation
- 1979-07-12 BR BR7904498A patent/BR7904498A/pt unknown
- 1979-08-08 IE IE1187/79A patent/IE48200B1/en unknown
Patent Citations (10)
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 |
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 |
GB1284881A (en) * | 1968-08-16 | 1972-08-09 | Holman Brothers Ltd | Pneumatic breaker steels |
FR2142165A5 (fr) * | 1971-06-15 | 1973-01-26 | Wilman Sigismond | |
FR2151738A5 (fr) * | 1971-09-10 | 1973-04-20 | Wilman Sigismond | |
US4030553A (en) * | 1975-06-23 | 1977-06-21 | Rockwell Thomas H | Percussion tool with noise reducing characteristics and method of making |
Also Published As
Publication number | Publication date |
---|---|
IE791187L (en) | 1980-01-12 |
NO154280C (no) | 1986-08-20 |
CA1113920A (fr) | 1981-12-08 |
FI74521C (fi) | 1988-02-08 |
SE7807779L (sv) | 1980-01-13 |
ZA793519B (en) | 1980-07-30 |
GB2025571A (en) | 1980-01-23 |
IE48200B1 (en) | 1984-10-31 |
FR2440815B1 (fr) | 1983-04-08 |
AU4876879A (en) | 1980-01-17 |
AT368246B (de) | 1982-09-27 |
DE2927134C2 (fr) | 1988-05-05 |
GB2025571B (en) | 1983-03-23 |
AU530592B2 (en) | 1983-07-21 |
NO792206L (no) | 1980-01-15 |
FI792194A (fi) | 1980-01-13 |
MX153162A (es) | 1986-08-14 |
FI74521B (fi) | 1987-10-30 |
ATA487479A (de) | 1982-01-15 |
BR7904498A (pt) | 1980-05-06 |
SE439334B (sv) | 1985-06-10 |
DE2927134A1 (de) | 1980-01-31 |
US4296830A (en) | 1981-10-27 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
ST | Notification of lapse |