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CA937031A - Method for manufacturing box springs using spring coils - Google Patents

Method for manufacturing box springs using spring coils

Info

Publication number
CA937031A
CA937031A CA083182A CA83182A CA937031A CA 937031 A CA937031 A CA 937031A CA 083182 A CA083182 A CA 083182A CA 83182 A CA83182 A CA 83182A CA 937031 A CA937031 A CA 937031A
Authority
CA
Canada
Prior art keywords
spring coils
box springs
manufacturing box
manufacturing
springs
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
CA083182A
Inventor
Stumpf Walter
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.)
SIMMONS Ltd
Original Assignee
SIMMONS Ltd
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 SIMMONS Ltd filed Critical SIMMONS Ltd
Priority to CA169,030A priority Critical patent/CA955002A/en
Priority to CA181,997A priority patent/CA975089A/en
Application granted granted Critical
Publication of CA937031A publication Critical patent/CA937031A/en
Expired legal-status Critical Current

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)
CA083182A 1969-06-02 1970-05-20 Method for manufacturing box springs using spring coils Expired CA937031A (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
CA169,030A CA955002A (en) 1969-06-02 1973-04-18 Apparatus for making box springs by stapling
CA181,997A CA975089A (en) 1969-06-02 1973-09-26 Coil spring for box springs or the like

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US82953369A 1969-06-02 1969-06-02

Publications (1)

Publication Number Publication Date
CA937031A true CA937031A (en) 1973-11-20

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 After (2)

Application Number Title Priority Date Filing Date
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

Country Status (3)

Country Link
US (1) US3847379A (en)
CA (3) CA937031A (en)
FR (1) FR2049770A5 (en)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
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
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
US20080092733A1 (en) * 2006-10-20 2008-04-24 Paul Leitner-Wise Firearm bolt assembly with fully-supported bolt face

Family Cites Families (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2568329A (en) * 1950-07-11 1951-09-18 Custom Upholstering And Carpet Furniture construction

Also Published As

Publication number Publication date
US3847379A (en) 1974-11-12
CA955002A (en) 1974-09-24
CA975089A (en) 1975-09-23
FR2049770A5 (en) 1971-03-26

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