GB733519A - Improvements in or relating to coil springs - Google Patents

Improvements in or relating to coil springs

Info

Publication number
GB733519A
GB733519A GB1395353A GB1395353A GB733519A GB 733519 A GB733519 A GB 733519A GB 1395353 A GB1395353 A GB 1395353A GB 1395353 A GB1395353 A GB 1395353A GB 733519 A GB733519 A GB 733519A
Authority
GB
United Kingdom
Prior art keywords
coil springs
relating
lisson
melen
levine
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
GB1395353A
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.)
ANNE MELEN
DAVID ILYA LEVINE
Original Assignee
ANNE MELEN
DAVID ILYA LEVINE
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 ANNE MELEN, DAVID ILYA LEVINE filed Critical ANNE MELEN
Priority to GB1395353A priority Critical patent/GB733519A/en
Publication of GB733519A publication Critical patent/GB733519A/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
    • B21F35/00—Making springs from wire
    • B21F35/02—Bending or deforming ends of coil springs to special shape
    • 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

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Wire Processing (AREA)
  • Springs (AREA)

Abstract

733,519. Coil springs. LEVINE, D. I., LISSON, S., and MELEN, A., [trading as SPRING UNIT DEVELOPMENT CO.]. May 18, 1953, No. 13953/53. Class 108 (3). [Also in Groups XIV and XXII] A double cone coil spring has each end convolution 220 of substantially uniform radius to form a circle except where the knot 214 is recessed.
GB1395353A 1953-05-18 1953-05-18 Improvements in or relating to coil springs Expired GB733519A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
GB1395353A GB733519A (en) 1953-05-18 1953-05-18 Improvements in or relating to coil springs

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
GB1395353A GB733519A (en) 1953-05-18 1953-05-18 Improvements in or relating to coil springs

Publications (1)

Publication Number Publication Date
GB733519A true GB733519A (en) 1955-07-13

Family

ID=10032357

Family Applications (1)

Application Number Title Priority Date Filing Date
GB1395353A Expired GB733519A (en) 1953-05-18 1953-05-18 Improvements in or relating to coil springs

Country Status (1)

Country Link
GB (1) GB733519A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215199A (en) * 1988-03-04 1989-09-20 Airsprung Limited Mattress

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2215199A (en) * 1988-03-04 1989-09-20 Airsprung Limited Mattress
GB2215199B (en) * 1988-03-04 1991-08-07 Airsprung Limited Mattress

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