CA955002A - Apparatus for making box springs by stapling - Google Patents
Apparatus for making box springs by staplingInfo
- Publication number
- CA955002A CA955002A CA169,030A CA169030A CA955002A CA 955002 A CA955002 A CA 955002A CA 169030 A CA169030 A CA 169030A CA 955002 A CA955002 A CA 955002A
- Authority
- CA
- Canada
- Prior art keywords
- stapling
- making box
- box springs
- springs
- making
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
- B21F—WORKING OR PROCESSING OF METAL WIRE
- B21F33/00—Tools or devices specially designed for handling or processing wire fabrics or the like
- B21F33/04—Connecting ends of helical springs for mattresses
-
- 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
- A47C23/05—Frames therefor; Connecting the springs to the frame ; Interconnection of springs, e.g. in spring units
Landscapes
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Automatic Assembly (AREA)
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
CA169,030A CA955002A (en) | 1969-06-02 | 1973-04-18 | Apparatus for making box springs by stapling |
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US82953369A | 1969-06-02 | 1969-06-02 | |
CA083182A CA937031A (en) | 1969-06-02 | 1970-05-20 | Method for manufacturing box springs using spring coils |
CA169,030A CA955002A (en) | 1969-06-02 | 1973-04-18 | Apparatus for making box springs by stapling |
Publications (1)
Publication Number | Publication Date |
---|---|
CA955002A true CA955002A (en) | 1974-09-24 |
Family
ID=25254794
Family Applications (3)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA083182A Expired CA937031A (en) | 1969-06-02 | 1970-05-20 | Method for manufacturing box springs using spring coils |
CA169,030A Expired CA955002A (en) | 1969-06-02 | 1973-04-18 | Apparatus for making box springs by stapling |
CA181,997A Expired CA975089A (en) | 1969-06-02 | 1973-09-26 | Coil spring for box springs or the like |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA083182A Expired CA937031A (en) | 1969-06-02 | 1970-05-20 | Method for manufacturing box springs using spring coils |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CA181,997A Expired CA975089A (en) | 1969-06-02 | 1973-09-26 | Coil spring for box springs or the like |
Country Status (3)
Country | Link |
---|---|
US (1) | US3847379A (en) |
CA (3) | CA937031A (en) |
FR (1) | FR2049770A5 (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4682394A (en) * | 1985-08-27 | 1987-07-28 | Leggett & Platt, Incorporated | Bedding and seating product having double twist coil spring and method and apparatus for manufacturing the same |
US4639957A (en) * | 1985-08-27 | 1987-02-03 | Leggett & Platt, Incorporated | Bedding and seating product having double twist coil spring and method and apparatus for manufacturing the same |
US20080092733A1 (en) * | 2006-10-20 | 2008-04-24 | Paul Leitner-Wise | Firearm bolt assembly with fully-supported bolt face |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2568329A (en) * | 1950-07-11 | 1951-09-18 | Custom Upholstering And Carpet | Furniture construction |
-
1970
- 1970-05-20 CA CA083182A patent/CA937031A/en not_active Expired
- 1970-06-02 FR FR7020106A patent/FR2049770A5/fr not_active Expired
-
1972
- 1972-01-18 US US00218842A patent/US3847379A/en not_active Expired - Lifetime
-
1973
- 1973-04-18 CA CA169,030A patent/CA955002A/en not_active Expired
- 1973-09-26 CA CA181,997A patent/CA975089A/en not_active Expired
Also Published As
Publication number | Publication date |
---|---|
US3847379A (en) | 1974-11-12 |
FR2049770A5 (en) | 1971-03-26 |
CA937031A (en) | 1973-11-20 |
CA975089A (en) | 1975-09-23 |
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