BE539613A - - Google Patents

Info

Publication number
BE539613A
BE539613A BE539613DA BE539613A BE 539613 A BE539613 A BE 539613A BE 539613D A BE539613D A BE 539613DA BE 539613 A BE539613 A BE 539613A
Authority
BE
Belgium
Prior art keywords
sheath
resistance
electrically insulating
heating
diameter
Prior art date
Application number
Other languages
English (en)
French (fr)
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.)
Publication of BE539613A publication Critical patent/BE539613A/fr

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
    • G01B3/10—Measuring tapes
    • G01B3/1041—Measuring tapes characterised by casings
    • 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
    • G01B3/10—Measuring tapes
    • G01B3/1041—Measuring tapes characterised by casings
    • G01B3/1046—Details of external structure thereof, e.g. shapes for ensuring firmer hold
    • 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
    • G01B3/10—Measuring tapes
    • G01B3/1084—Tapes combined with arrangements for functions other than measuring lengths
    • G01B3/1092—Tapes combined with arrangements for functions other than measuring lengths for performing length measurements and at least one other measurement of a different nature, e.g. bubble-type level
    • G—PHYSICS
    • G01—MEASURING; TESTING
    • G01C—MEASURING DISTANCES, LEVELS OR BEARINGS; SURVEYING; NAVIGATION; GYROSCOPIC INSTRUMENTS; PHOTOGRAMMETRY OR VIDEOGRAMMETRY
    • G01C9/00—Measuring inclination, e.g. by clinometers, by levels
    • G01C9/18—Measuring inclination, e.g. by clinometers, by levels by using liquids
    • G01C9/24—Measuring inclination, e.g. by clinometers, by levels by using liquids in closed containers partially filled with liquid so as to leave a gas bubble
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01H—ELECTRIC SWITCHES; RELAYS; SELECTORS; EMERGENCY PROTECTIVE DEVICES
    • H01H35/00—Switches operated by change of a physical condition
    • H01H35/06—Switches operated by change of speed
    • H01H35/10—Centrifugal switches
    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05B—ELECTRIC HEATING; ELECTRIC LIGHT SOURCES NOT OTHERWISE PROVIDED FOR; CIRCUIT ARRANGEMENTS FOR ELECTRIC LIGHT SOURCES, IN GENERAL
    • H05B3/00—Ohmic-resistance heating
    • H05B3/40—Heating elements having the shape of rods or tubes
    • H05B3/42—Heating elements having the shape of rods or tubes non-flexible
    • H05B3/48—Heating elements having the shape of rods or tubes non-flexible heating conductor embedded in insulating material

Landscapes

  • Physics & Mathematics (AREA)
  • General Physics & Mathematics (AREA)
  • Engineering & Computer Science (AREA)
  • Radar, Positioning & Navigation (AREA)
  • Remote Sensing (AREA)
  • Resistance Heating (AREA)
BE539613D 1954-07-07 BE539613A (ko)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US1126811XA 1954-07-07 1954-07-07

Publications (1)

Publication Number Publication Date
BE539613A true BE539613A (ko)

Family

ID=22345284

Family Applications (1)

Application Number Title Priority Date Filing Date
BE539613D BE539613A (ko) 1954-07-07

Country Status (5)

Country Link
BE (1) BE539613A (ko)
CH (1) CH339298A (ko)
DE (1) DE1053110B (ko)
FR (1) FR1126811A (ko)
GB (1) GB775522A (ko)

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3092799A (en) * 1958-02-18 1963-06-04 Nat Res Dev Apparatus for detecting combustible gases having an electrically conductive member enveloped in a refractory material
NL153755C (nl) * 1966-10-20 1977-11-15 Stichting Reactor Centrum Werkwijze voor het vervaardigen van een elektrisch verwarmingselement, alsmede verwarmingselement vervaardigd met toepassing van deze werkwijze.
GB2279855A (en) * 1993-07-02 1995-01-11 Zortech Int Resistance tubular heating wire
DE19628471C2 (de) * 1995-07-14 2003-08-28 Eldis Ehmki & Schmid Ohg Gehäusewiderstand

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR476666A (fr) * 1914-05-01 1915-08-24 Ateliers De Constructions Electriques Du Nord Et De Lest Élément de chauffage électrique

Also Published As

Publication number Publication date
FR1126811A (fr) 1956-12-03
CH339298A (de) 1959-06-30
GB775522A (ko) 1900-01-01
DE1053110B (de) 1959-03-19

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