FR1031813A - Improvements made to the production of sparks by friction or impact of several bodies, in particular to increase the calorific and light powers emitted - Google Patents

Improvements made to the production of sparks by friction or impact of several bodies, in particular to increase the calorific and light powers emitted

Info

Publication number
FR1031813A
FR1031813A FR1031813DA FR1031813A FR 1031813 A FR1031813 A FR 1031813A FR 1031813D A FR1031813D A FR 1031813DA FR 1031813 A FR1031813 A FR 1031813A
Authority
FR
France
Prior art keywords
sparks
calorific
friction
impact
production
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.)
Expired
Application number
Other languages
French (fr)
Inventor
Charles-Frederic-Rob Flexer
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 filed Critical
Application granted granted Critical
Publication of FR1031813A publication Critical patent/FR1031813A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F21—LIGHTING
    • F21K—NON-ELECTRIC LIGHT SOURCES USING LUMINESCENCE; LIGHT SOURCES USING ELECTROCHEMILUMINESCENCE; LIGHT SOURCES USING CHARGES OF COMBUSTIBLE MATERIAL; LIGHT SOURCES USING SEMICONDUCTOR DEVICES AS LIGHT-GENERATING ELEMENTS; LIGHT SOURCES NOT OTHERWISE PROVIDED FOR
    • F21K5/00—Light sources using charges of combustible material, e.g. illuminating flash devices
    • F21K5/02—Light sources using charges of combustible material, e.g. illuminating flash devices ignited in a non-disrupting container, e.g. photo-flash bulb

Landscapes

  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
FR1031813D 1951-01-09 1951-01-09 Improvements made to the production of sparks by friction or impact of several bodies, in particular to increase the calorific and light powers emitted Expired FR1031813A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR1031813T 1951-01-09

Publications (1)

Publication Number Publication Date
FR1031813A true FR1031813A (en) 1953-06-26

Family

ID=9583367

Family Applications (1)

Application Number Title Priority Date Filing Date
FR1031813D Expired FR1031813A (en) 1951-01-09 1951-01-09 Improvements made to the production of sparks by friction or impact of several bodies, in particular to increase the calorific and light powers emitted

Country Status (1)

Country Link
FR (1) FR1031813A (en)

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