FR1320886A - Improvements to metal box springs - Google Patents

Improvements to metal box springs

Info

Publication number
FR1320886A
FR1320886A FR69042249D FR69042249D FR1320886A FR 1320886 A FR1320886 A FR 1320886A FR 69042249 D FR69042249 D FR 69042249D FR 69042249 D FR69042249 D FR 69042249D FR 1320886 A FR1320886 A FR 1320886A
Authority
FR
France
Prior art keywords
metal box
box springs
springs
metal
box
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
FR69042249D
Other languages
French (fr)
Inventor
Pierre Cleux
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
Priority to FR69042249D priority Critical patent/FR1320886A/en
Application granted granted Critical
Publication of FR1320886A publication Critical patent/FR1320886A/en
Expired legal-status Critical Current

Links

Classifications

    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C27/00—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas
    • A47C27/14—Spring, stuffed or fluid mattresses or cushions specially adapted for chairs, beds or sofas with foamed material inlays
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47C—CHAIRS; SOFAS; BEDS
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/12—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type
    • A47C23/16—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using tensioned springs, e.g. flat type of plane meandering type
    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F27—FURNACES; KILNS; OVENS; RETORTS
    • F27B—FURNACES, KILNS, OVENS, OR RETORTS IN GENERAL; OPEN SINTERING OR LIKE APPARATUS
    • F27B9/00—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity
    • F27B9/14—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment
    • F27B9/20—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace
    • F27B9/24—Furnaces through which the charge is moved mechanically, e.g. of tunnel type; Similar furnaces in which the charge moves by gravity characterised by the path of the charge during treatment; characterised by the means by which the charge is moved during treatment the charge moving in a substantially straight path tunnel furnace being carried by a conveyor
    • F27B9/2453—Vibrating conveyor (shaker hearth furnace)

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • General Engineering & Computer Science (AREA)
FR69042249D 1962-03-29 1962-03-29 Improvements to metal box springs Expired FR1320886A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR69042249D FR1320886A (en) 1962-03-29 1962-03-29 Improvements to metal box springs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR69042249D FR1320886A (en) 1962-03-29 1962-03-29 Improvements to metal box springs

Publications (1)

Publication Number Publication Date
FR1320886A true FR1320886A (en) 1963-03-15

Family

ID=40887097

Family Applications (1)

Application Number Title Priority Date Filing Date
FR69042249D Expired FR1320886A (en) 1962-03-29 1962-03-29 Improvements to metal box springs

Country Status (1)

Country Link
FR (1) FR1320886A (en)

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