GB9905543D0 - Method of and apparatus for manufacturing mattress spring units - Google Patents

Method of and apparatus for manufacturing mattress spring units

Info

Publication number
GB9905543D0
GB9905543D0 GBGB9905543.6A GB9905543A GB9905543D0 GB 9905543 D0 GB9905543 D0 GB 9905543D0 GB 9905543 A GB9905543 A GB 9905543A GB 9905543 D0 GB9905543 D0 GB 9905543D0
Authority
GB
United Kingdom
Prior art keywords
spring units
mattress spring
manufacturing mattress
manufacturing
units
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.)
Granted
Application number
GBGB9905543.6A
Other versions
GB2347638A (en
GB2347638B (en
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.)
KELLETT THOMAS P
Original Assignee
KELLETT THOMAS P
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 KELLETT THOMAS P filed Critical KELLETT THOMAS P
Priority to GB9905543A priority Critical patent/GB2347638B/en
Publication of GB9905543D0 publication Critical patent/GB9905543D0/en
Publication of GB2347638A publication Critical patent/GB2347638A/en
Application granted granted Critical
Publication of GB2347638B publication Critical patent/GB2347638B/en
Anticipated expiration legal-status Critical
Expired - Fee Related 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
    • C—CHEMISTRY; METALLURGY
    • C21—METALLURGY OF IRON
    • C21D—MODIFYING THE PHYSICAL STRUCTURE OF FERROUS METALS; GENERAL DEVICES FOR HEAT TREATMENT OF FERROUS OR NON-FERROUS METALS OR ALLOYS; MAKING METAL MALLEABLE, e.g. BY DECARBURISATION OR TEMPERING
    • C21D9/00—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor
    • C21D9/02—Heat treatment, e.g. annealing, hardening, quenching or tempering, adapted for particular articles; Furnaces therefor for springs

Landscapes

  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Mechanical Engineering (AREA)
  • Physics & Mathematics (AREA)
  • Thermal Sciences (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Materials Engineering (AREA)
  • Metallurgy (AREA)
  • Organic Chemistry (AREA)
  • Wire Processing (AREA)
  • Springs (AREA)
  • Heat Treatment Of Articles (AREA)
GB9905543A 1999-03-11 1999-03-11 Method of and apparatus for manufacturing mattress spring units Expired - Fee Related GB2347638B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB9905543A GB2347638B (en) 1999-03-11 1999-03-11 Method of and apparatus for manufacturing mattress spring units

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB9905543A GB2347638B (en) 1999-03-11 1999-03-11 Method of and apparatus for manufacturing mattress spring units

Publications (3)

Publication Number Publication Date
GB9905543D0 true GB9905543D0 (en) 1999-05-05
GB2347638A GB2347638A (en) 2000-09-13
GB2347638B GB2347638B (en) 2002-08-07

Family

ID=10849374

Family Applications (1)

Application Number Title Priority Date Filing Date
GB9905543A Expired - Fee Related GB2347638B (en) 1999-03-11 1999-03-11 Method of and apparatus for manufacturing mattress spring units

Country Status (1)

Country Link
GB (1) GB2347638B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN113874135A (en) * 2019-05-20 2021-12-31 贝卡尔特公司 Method for manufacturing a spring core for a mattress or a seating product
WO2021188075A1 (en) * 2020-03-18 2021-09-23 Boycelik Metal Sanayi Ve Ticaret Anonim Sirketi A method of mattress or upholstered furniture springs having improved mechanical features with extra (additional) heat treatment

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4111241A (en) * 1977-06-29 1978-09-05 Burton-Dixie Corporation Spring forming means in automatic coil spring assembling machine
US4155130A (en) * 1977-08-08 1979-05-22 Sealy, Inc. Means for restraining cross helical spin-out
US4492298A (en) * 1981-09-10 1985-01-08 Leggett & Platt, Incorporated Coil spring assembly machine
WO1998053933A1 (en) * 1997-05-30 1998-12-03 Simmons Company Method and apparatus for manufacturing coil springs

Also Published As

Publication number Publication date
GB2347638A (en) 2000-09-13
GB2347638B (en) 2002-08-07

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Legal Events

Date Code Title Description
PCNP Patent ceased through non-payment of renewal fee

Effective date: 20120311