FR2491757B2 - - Google Patents

Info

Publication number
FR2491757B2
FR2491757B2 FR8021687A FR8021687A FR2491757B2 FR 2491757 B2 FR2491757 B2 FR 2491757B2 FR 8021687 A FR8021687 A FR 8021687A FR 8021687 A FR8021687 A FR 8021687A FR 2491757 B2 FR2491757 B2 FR 2491757B2
Authority
FR
France
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
Application number
FR8021687A
Other languages
French (fr)
Other versions
FR2491757A2 (en
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.)
Micro Mega SA
Original Assignee
Micro Mega SA
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 Micro Mega SA filed Critical Micro Mega SA
Priority to FR8021687A priority Critical patent/FR2491757A2/en
Priority to CH201481A priority patent/CH640718A5/en
Priority to AT0161481A priority patent/AT372596B/en
Priority to DE19813114207 priority patent/DE3114207A1/en
Priority to US06/253,649 priority patent/US4369034A/en
Priority to IT8121714U priority patent/IT8121714V0/en
Priority to IT21622/81A priority patent/IT1137579B/en
Publication of FR2491757A2 publication Critical patent/FR2491757A2/en
Application granted granted Critical
Publication of FR2491757B2 publication Critical patent/FR2491757B2/fr
Granted legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/02—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools
    • A61C1/05—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design characterised by the drive of the dental tools with turbine drive
    • A61C1/052—Ducts for supplying driving or cooling fluid, e.g. air, water
    • A—HUMAN NECESSITIES
    • A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
    • A61C—DENTISTRY; APPARATUS OR METHODS FOR ORAL OR DENTAL HYGIENE
    • A61C1/00—Dental machines for boring or cutting ; General features of dental machines or apparatus, e.g. hand-piece design
    • A61C1/08—Machine parts specially adapted for dentistry
    • A61C1/18—Flexible shafts; Clutches or the like; Bearings or lubricating arrangements; Drives or transmissions
    • A61C1/181—Bearings or lubricating arrangements, e.g. air-cushion bearings

Landscapes

  • Health & Medical Sciences (AREA)
  • Oral & Maxillofacial Surgery (AREA)
  • Dentistry (AREA)
  • Epidemiology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Animal Behavior & Ethology (AREA)
  • General Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Veterinary Medicine (AREA)
  • Dental Tools And Instruments Or Auxiliary Dental Instruments (AREA)
FR8021687A 1980-05-13 1980-10-10 Dental treatment angle piece - has cylindrical sleeve enclosing tool stem and held in place by radial flange Granted FR2491757A2 (en)

Priority Applications (7)

Application Number Priority Date Filing Date Title
FR8021687A FR2491757A2 (en) 1980-10-10 1980-10-10 Dental treatment angle piece - has cylindrical sleeve enclosing tool stem and held in place by radial flange
CH201481A CH640718A5 (en) 1980-05-13 1981-03-25 TETE DE CONTRE-ANGLE DENTAIRE COMPRENANT UN DISPOSITIF EMPECHANT LA PENETRATION D'EAU A L'INTERIEUR.
AT0161481A AT372596B (en) 1980-05-13 1981-04-07 ANGLE PIECE FOR DENTAL TREATMENT
DE19813114207 DE3114207A1 (en) 1980-05-13 1981-04-08 ANGLE PIECE FOR DENTAL TREATMENT
US06/253,649 US4369034A (en) 1980-05-13 1981-04-22 Device for preventing the ingress of water into the head of a dental contra-angle
IT8121714U IT8121714V0 (en) 1980-05-13 1981-05-11 DEVICE THAT IS USED TO PREVENT THE PENETRATION OF WATER IN THE HEAD OF A DENTAL COUNTER-ANGLE.
IT21622/81A IT1137579B (en) 1980-05-13 1981-05-11 DEVICE THAT IS USED TO PREVENT THE PENETRATION OF WATER IN THE HEAD OF A DENTAL COUNTER-ANGLE

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR8021687A FR2491757A2 (en) 1980-10-10 1980-10-10 Dental treatment angle piece - has cylindrical sleeve enclosing tool stem and held in place by radial flange

Publications (2)

Publication Number Publication Date
FR2491757A2 FR2491757A2 (en) 1982-04-16
FR2491757B2 true FR2491757B2 (en) 1983-12-02

Family

ID=9246748

Family Applications (1)

Application Number Title Priority Date Filing Date
FR8021687A Granted FR2491757A2 (en) 1980-05-13 1980-10-10 Dental treatment angle piece - has cylindrical sleeve enclosing tool stem and held in place by radial flange

Country Status (1)

Country Link
FR (1) FR2491757A2 (en)

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH416935A (en) * 1964-11-09 1966-07-15 Dale Wiseman Adolph Right Angle Handpiece for Dentistry
FR1441503A (en) * 1965-02-20 1966-06-10 Micro Mega Sa Handpieces
FR2207423A5 (en) * 1972-11-21 1974-06-14 Micro Mega Sa
FR2378498A1 (en) * 1977-01-26 1978-08-25 Micro Mega Sa DENTAL HANDPIECE

Also Published As

Publication number Publication date
FR2491757A2 (en) 1982-04-16

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