DE213294C - - Google Patents

Info

Publication number
DE213294C
DE213294C DENDAT213294D DE213294DA DE213294C DE 213294 C DE213294 C DE 213294C DE NDAT213294 D DENDAT213294 D DE NDAT213294D DE 213294D A DE213294D A DE 213294DA DE 213294 C DE213294 C DE 213294C
Authority
DE
Germany
Prior art keywords
blocks
springs
frame
underlay
another
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.)
Active
Application number
DENDAT213294D
Other languages
German (de)
English (en)
Publication of DE213294C publication Critical patent/DE213294C/de
Active 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
    • A47C23/00—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases
    • A47C23/04—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using springs in compression, e.g. coiled
    • A47C23/043—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using springs in compression, e.g. coiled using wound springs
    • A47C23/0431—Spring mattresses with rigid frame or forming part of the bedstead, e.g. box springs; Divan bases; Slatted bed bases using springs in compression, e.g. coiled using wound springs supporting a flat board or strip
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C45/00—Injection moulding, i.e. forcing the required volume of moulding material through a nozzle into a closed mould; Apparatus therefor
    • B29C45/17—Component parts, details or accessories; Auxiliary operations
    • B29C45/76—Measuring, controlling or regulating
    • B29C45/77—Measuring, controlling or regulating of velocity or pressure of moulding material

Landscapes

  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Mechanical Engineering (AREA)
  • Springs (AREA)
DENDAT213294D Active DE213294C (en:Method)

Publications (1)

Publication Number Publication Date
DE213294C true DE213294C (en:Method)

Family

ID=474956

Family Applications (1)

Application Number Title Priority Date Filing Date
DENDAT213294D Active DE213294C (en:Method)

Country Status (1)

Country Link
DE (1) DE213294C (en:Method)

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