FR2442625A1 - Dental drill water and air mixer - has disc controlling air, water and mixt. lines, with variable control surface underneath - Google Patents

Dental drill water and air mixer - has disc controlling air, water and mixt. lines, with variable control surface underneath

Info

Publication number
FR2442625A1
FR2442625A1 FR7824972A FR7824972A FR2442625A1 FR 2442625 A1 FR2442625 A1 FR 2442625A1 FR 7824972 A FR7824972 A FR 7824972A FR 7824972 A FR7824972 A FR 7824972A FR 2442625 A1 FR2442625 A1 FR 2442625A1
Authority
FR
France
Prior art keywords
water
air
disc
dental drill
mixt
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
Application number
FR7824972A
Other languages
French (fr)
Other versions
FR2442625B1 (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 FR7824972A priority Critical patent/FR2442625A1/en
Priority to CH709779A priority patent/CH629660A5/en
Priority to DE19792932349 priority patent/DE2932349A1/en
Priority to AT552279A priority patent/AT370977B/en
Priority to US06/067,891 priority patent/US4311169A/en
Priority to BR7905401A priority patent/BR7905401A/en
Priority to JP10803679A priority patent/JPS5535694A/en
Priority to IT2236079U priority patent/IT7922360V0/en
Priority to IT2527879A priority patent/IT1166906B/en
Publication of FR2442625A1 publication Critical patent/FR2442625A1/en
Application granted granted Critical
Publication of FR2442625B1 publication Critical patent/FR2442625B1/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

Abstract

The dental drill supplied with both water and air, incorporates a rotary disc (3) on the handpiece which controls the air and water mixture. The lower surface (13) of this disc forms the top of the mixing chamber. This chamber is fed from below by the air and water supply tubes (9a) and the mixture is discharged downwards from the chamber through a hole (11) with its bottom levels with the discharge tube (10). The disc has radial surfaces which open and close the supply tubes, and a sloping portion (14) of the underside controlling the flow between inlet and outlet is a variable manner. There are two sealing rings (5, 6) around the disc and inside it.
FR7824972A 1978-08-24 1978-08-24 Dental drill water and air mixer - has disc controlling air, water and mixt. lines, with variable control surface underneath Granted FR2442625A1 (en)

Priority Applications (9)

Application Number Priority Date Filing Date Title
FR7824972A FR2442625A1 (en) 1978-08-24 1978-08-24 Dental drill water and air mixer - has disc controlling air, water and mixt. lines, with variable control surface underneath
CH709779A CH629660A5 (en) 1978-08-24 1979-08-02 AIR-WATER MIXER FOR THE SPRAYER OF A DENTAL HANDPIECE.
DE19792932349 DE2932349A1 (en) 1978-08-24 1979-08-09 DENTAL HANDPIECE
AT552279A AT370977B (en) 1978-08-24 1979-08-14 DENTAL HANDPIECE
US06/067,891 US4311169A (en) 1978-08-24 1979-08-20 Air-water mixer for the atomizer of a dental hand piece
BR7905401A BR7905401A (en) 1978-08-24 1979-08-22 AR-AQUA MIXER FOR THE SPRAYING OF A DENTAL HAND PIECE
JP10803679A JPS5535694A (en) 1978-08-24 1979-08-23 Airrwater mixer for atomizer of dental hand piece
IT2236079U IT7922360V0 (en) 1978-08-24 1979-08-24 AIR-WATER MIXER FOR THE DUSTING OF A DENTAL HAND INSTRUMENT.
IT2527879A IT1166906B (en) 1978-08-24 1979-08-24 AIR-WATER MIXER FOR THE PULVERIZER OF A DENTAL MANUAL INSTRUMENT

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR7824972A FR2442625A1 (en) 1978-08-24 1978-08-24 Dental drill water and air mixer - has disc controlling air, water and mixt. lines, with variable control surface underneath

Publications (2)

Publication Number Publication Date
FR2442625A1 true FR2442625A1 (en) 1980-06-27
FR2442625B1 FR2442625B1 (en) 1982-07-23

Family

ID=9212181

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7824972A Granted FR2442625A1 (en) 1978-08-24 1978-08-24 Dental drill water and air mixer - has disc controlling air, water and mixt. lines, with variable control surface underneath

Country Status (2)

Country Link
JP (1) JPS5535694A (en)
FR (1) FR2442625A1 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
JPS6060641A (en) * 1983-09-14 1985-04-08 Japan Synthetic Rubber Co Ltd X-ray resist and its manufacture
JPS60102628A (en) * 1983-11-10 1985-06-06 Japan Synthetic Rubber Co Ltd X-ray resist
JPS60129741A (en) * 1983-12-16 1985-07-11 Japan Synthetic Rubber Co Ltd X-ray resist composition

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1918979A1 (en) * 1969-04-15 1970-10-29 Siemens Ag Dental drill handpiece

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE1918979A1 (en) * 1969-04-15 1970-10-29 Siemens Ag Dental drill handpiece

Also Published As

Publication number Publication date
FR2442625B1 (en) 1982-07-23
JPS5535694A (en) 1980-03-12

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Legal Events

Date Code Title Description
ST Notification of lapse