FR2315681A1 - Appareil de mesure d'angles - Google Patents

Appareil de mesure d'angles

Info

Publication number
FR2315681A1
FR2315681A1 FR7618985A FR7618985A FR2315681A1 FR 2315681 A1 FR2315681 A1 FR 2315681A1 FR 7618985 A FR7618985 A FR 7618985A FR 7618985 A FR7618985 A FR 7618985A FR 2315681 A1 FR2315681 A1 FR 2315681A1
Authority
FR
France
Prior art keywords
measuring device
angle measuring
angle
measuring
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
FR7618985A
Other languages
English (en)
Other versions
FR2315681B3 (fr
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.)
Individual
Original Assignee
Individual
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 Individual filed Critical Individual
Publication of FR2315681A1 publication Critical patent/FR2315681A1/fr
Application granted granted Critical
Publication of FR2315681B3 publication Critical patent/FR2315681B3/fr
Priority to US06/365,993 priority Critical patent/US4417896A/en
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01B—MEASURING LENGTH, THICKNESS OR SIMILAR LINEAR DIMENSIONS; MEASURING ANGLES; MEASURING AREAS; MEASURING IRREGULARITIES OF SURFACES OR CONTOURS
    • G01B3/00—Measuring instruments characterised by the use of mechanical techniques
    • G01B3/56—Gauges for measuring angles or tapers, e.g. conical calipers
    • G01B3/563—Protractors

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Length-Measuring Instruments Using Mechanical Means (AREA)
  • A Measuring Device Byusing Mechanical Method (AREA)
FR7618985A 1974-11-05 1976-06-22 Appareil de mesure d'angles Granted FR2315681A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
US06/365,993 US4417896A (en) 1974-11-05 1982-04-06 Hair dye compositions and new compounds useful therein

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB27120/75A GB1519486A (en) 1975-06-26 1975-06-26 Angle measuring device

Publications (2)

Publication Number Publication Date
FR2315681A1 true FR2315681A1 (fr) 1977-01-21
FR2315681B3 FR2315681B3 (fr) 1979-03-23

Family

ID=10254539

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7618985A Granted FR2315681A1 (fr) 1974-11-05 1976-06-22 Appareil de mesure d'angles

Country Status (6)

Country Link
US (1) US4060900A (fr)
JP (1) JPS525558A (fr)
AU (1) AU1532476A (fr)
DE (1) DE2627805A1 (fr)
FR (1) FR2315681A1 (fr)
GB (1) GB1519486A (fr)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4945649A (en) * 1989-12-11 1990-08-07 Parker Kirk P Angle gage
US5310996A (en) * 1992-05-28 1994-05-10 John A. Canal Method and apparatus for determining recording time available on a videotape cassette
US5588218A (en) * 1995-05-24 1996-12-31 Barry; David Teaching protractor
NZ286195A (en) * 1996-03-18 1997-03-24 Andy Tak Wing Pang Angle measurement device for measuring angle of a fixed structure relative to the horizontal; first and second rule edges, a body portion and a movable bar
US6477782B1 (en) 2000-05-23 2002-11-12 Richard Howe Device and method for gauging an angled surface and setting a tool to match the bisection of the angled surface
GB0304662D0 (en) * 2003-02-28 2003-04-02 Rive Jeremy Angular measurement devices
US20050210688A1 (en) * 2004-03-29 2005-09-29 Stephens Mary L Visual protractor
JP5213767B2 (ja) * 2009-03-16 2013-06-19 日本特殊陶業株式会社 部材の接合位置のずれ量の測定方法、スパークプラグの製造方法
US9250052B2 (en) 2013-05-06 2016-02-02 Western Instruments, Inc. Welding gauge
CN104819680B (zh) * 2015-04-29 2017-12-19 林锋 量角器
CN105234211A (zh) * 2015-09-21 2016-01-13 国网河南汝阳县供电公司 母排制弯定位仪

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2353309A (en) * 1944-07-11 Combined ocular and mathematical
US713096A (en) * 1902-03-17 1902-11-11 Joseph Otto Hess Combination-tool.
US774858A (en) * 1904-07-22 1904-11-15 Lee Thomas Device for drawing and measuring angles.
US1299978A (en) * 1918-02-14 1919-04-08 Silas C Macdowney Measuring instrument.
US1539868A (en) * 1922-10-30 1925-06-02 Edward P Roberts Chart
GB342099A (en) * 1930-01-04 1931-01-29 Henry William Chesham Improvements in apparatus to facilitate instruction in mathematics or the like
US3045353A (en) * 1959-11-16 1962-07-24 Barbosa Alex Direct reading computer

Also Published As

Publication number Publication date
US4060900A (en) 1977-12-06
FR2315681B3 (fr) 1979-03-23
GB1519486A (en) 1978-07-26
AU1532476A (en) 1978-01-05
JPS525558A (en) 1977-01-17
DE2627805A1 (de) 1977-01-13

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Legal Events

Date Code Title Description
ST Notification of lapse