FR2382717A1 - Appareil de calcul - Google Patents

Appareil de calcul

Info

Publication number
FR2382717A1
FR2382717A1 FR7729648A FR7729648A FR2382717A1 FR 2382717 A1 FR2382717 A1 FR 2382717A1 FR 7729648 A FR7729648 A FR 7729648A FR 7729648 A FR7729648 A FR 7729648A FR 2382717 A1 FR2382717 A1 FR 2382717A1
Authority
FR
France
Prior art keywords
calculation
values
inscribed circle
castings
scales
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
FR7729648A
Other languages
English (en)
French (fr)
Other versions
FR2382717B1 (cg-RX-API-DMAC7.html
Inventor
Clifford Frank Corbett
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.)
Foseco International Ltd
Original Assignee
Foseco International Ltd
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 Foseco International Ltd filed Critical Foseco International Ltd
Publication of FR2382717A1 publication Critical patent/FR2382717A1/fr
Application granted granted Critical
Publication of FR2382717B1 publication Critical patent/FR2382717B1/fr
Granted legal-status Critical Current

Links

Classifications

    • G—PHYSICS
    • G06—COMPUTING OR CALCULATING; COUNTING
    • G06G—ANALOGUE COMPUTERS
    • G06G1/00—Hand manipulated computing devices
    • G06G1/0005—Hand manipulated computing devices characterised by a specific application
    • G06G1/0026—Hand manipulated computing devices characterised by a specific application for machining

Landscapes

  • Engineering & Computer Science (AREA)
  • Theoretical Computer Science (AREA)
  • Physics & Mathematics (AREA)
  • Computer Hardware Design (AREA)
  • General Physics & Mathematics (AREA)
  • Molds, Cores, And Manufacturing Methods Thereof (AREA)
  • Continuous Casting (AREA)
  • Investigating Or Analyzing Materials Using Thermal Means (AREA)
FR7729648A 1976-10-01 1977-10-03 Appareil de calcul Granted FR2382717A1 (fr)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB40895/76A GB1555689A (en) 1976-10-01 1976-10-01 Calculating apparatus

Publications (2)

Publication Number Publication Date
FR2382717A1 true FR2382717A1 (fr) 1978-09-29
FR2382717B1 FR2382717B1 (cg-RX-API-DMAC7.html) 1981-06-19

Family

ID=10417159

Family Applications (1)

Application Number Title Priority Date Filing Date
FR7729648A Granted FR2382717A1 (fr) 1976-10-01 1977-10-03 Appareil de calcul

Country Status (5)

Country Link
US (1) US4203542A (cg-RX-API-DMAC7.html)
JP (1) JPS5352238A (cg-RX-API-DMAC7.html)
DE (1) DE2744162A1 (cg-RX-API-DMAC7.html)
FR (1) FR2382717A1 (cg-RX-API-DMAC7.html)
GB (1) GB1555689A (cg-RX-API-DMAC7.html)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CA1302078C (en) * 1989-02-03 1992-06-02 Jean-Pierre Gravel Metal worker's 90 bend layout ruler

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1520105A (en) * 1922-04-04 1924-12-23 Eliot Bicknell Calculating device
FR1168144A (fr) * 1955-12-28 1958-12-04 Règle à calculer les dimensions relatives à la forme (moule) ou à la pièce ou encore au pourcentage de rétrécissement dans la fabrication de pièces obtenues par coulage, moulage ou au tour

Family Cites Families (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
BE647895A (cg-RX-API-DMAC7.html) *
US666091A (en) * 1897-12-29 1901-01-15 Frederick Duncan Fergusson Calculator.
US1667812A (en) * 1925-12-07 1928-05-01 Erwin H Miller Calculator
US3436012A (en) * 1968-03-12 1969-04-01 Barbera W Stephenson Kitchen calculator and method for use
US3559881A (en) * 1968-09-13 1971-02-02 Richard L Maison Nomogram computer
US3533551A (en) * 1968-11-20 1970-10-13 Us Navy Bomb ballistic slide rule
US3627199A (en) * 1970-05-18 1971-12-14 Wilson Eng Co L Annealing time calculator
IT954213B (it) * 1971-11-08 1973-08-30 Cia Italiana Tubi Metallici Fl Regolo calcolatore per il calcolo di reti di tubazioni

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US1520105A (en) * 1922-04-04 1924-12-23 Eliot Bicknell Calculating device
FR1168144A (fr) * 1955-12-28 1958-12-04 Règle à calculer les dimensions relatives à la forme (moule) ou à la pièce ou encore au pourcentage de rétrécissement dans la fabrication de pièces obtenues par coulage, moulage ou au tour

Also Published As

Publication number Publication date
DE2744162A1 (de) 1978-04-06
GB1555689A (en) 1979-11-14
FR2382717B1 (cg-RX-API-DMAC7.html) 1981-06-19
US4203542A (en) 1980-05-20
JPS5352238A (en) 1978-05-12

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Legal Events

Date Code Title Description
ST Notification of lapse