FR1128135A - Improvements made to tension springs - Google Patents
Improvements made to tension springsInfo
- Publication number
- FR1128135A FR1128135A FR1128135DA FR1128135A FR 1128135 A FR1128135 A FR 1128135A FR 1128135D A FR1128135D A FR 1128135DA FR 1128135 A FR1128135 A FR 1128135A
- Authority
- FR
- France
- Prior art keywords
- improvements made
- tension springs
- springs
- tension
- 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
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
- A47C23/12—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
- A47C23/28—Tensioning devices therefor
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
FR1128135T | 1955-06-25 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1128135A true FR1128135A (en) | 1957-01-02 |
Family
ID=9636091
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1128135D Expired FR1128135A (en) | 1955-06-25 | 1955-06-25 | Improvements made to tension springs |
Country Status (1)
Country | Link |
---|---|
FR (1) | FR1128135A (en) |
-
1955
- 1955-06-25 FR FR1128135D patent/FR1128135A/en not_active Expired
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