FR456634A - Manufacturing process for hollow grids - Google Patents

Manufacturing process for hollow grids

Info

Publication number
FR456634A
FR456634A FR456634A FR456634DA FR456634A FR 456634 A FR456634 A FR 456634A FR 456634 A FR456634 A FR 456634A FR 456634D A FR456634D A FR 456634DA FR 456634 A FR456634 A FR 456634A
Authority
FR
France
Prior art keywords
manufacturing process
hollow grids
grids
hollow
manufacturing
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
FR456634A
Other languages
French (fr)
Inventor
Robert Grabowsky
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
Application granted granted Critical
Publication of FR456634A publication Critical patent/FR456634A/en
Expired legal-status Critical Current

Links

Classifications

    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F23—COMBUSTION APPARATUS; COMBUSTION PROCESSES
    • F23H—GRATES; CLEANING OR RAKING GRATES
    • F23H3/00—Grates with hollow bars
    • F23H3/02—Grates with hollow bars internally cooled
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23P—METAL-WORKING NOT OTHERWISE PROVIDED FOR; COMBINED OPERATIONS; UNIVERSAL MACHINE TOOLS
    • B23P15/00—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass
    • B23P15/12—Making specific metal objects by operations not covered by a single other subclass or a group in this subclass gratings
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01K—ELECTRIC INCANDESCENT LAMPS
    • H01K3/00—Apparatus or processes adapted to the manufacture, installing, removal, or maintenance of incandescent lamps or parts thereof
    • H01K3/02—Manufacture of incandescent bodies
    • H01K3/04—Machines therefor

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Chemical & Material Sciences (AREA)
  • Combustion & Propulsion (AREA)
  • General Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Heat Treatments In General, Especially Conveying And Cooling (AREA)
  • Pressure Welding/Diffusion-Bonding (AREA)
  • Sewage (AREA)
  • Grates (AREA)
FR456634A 1912-07-30 1913-04-14 Manufacturing process for hollow grids Expired FR456634A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DE1347X 1912-07-30

Publications (1)

Publication Number Publication Date
FR456634A true FR456634A (en) 1913-09-01

Family

ID=88965817

Family Applications (1)

Application Number Title Priority Date Filing Date
FR456634A Expired FR456634A (en) 1912-07-30 1913-04-14 Manufacturing process for hollow grids

Country Status (4)

Country Link
AT (1) AT73571B (en)
FR (1) FR456634A (en)
GB (1) GB191308743A (en)
NL (1) NL1347C (en)

Also Published As

Publication number Publication date
NL1347C (en) 1916-06-15
AT73571B (en) 1917-07-25
GB191308743A (en) 1913-05-22

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