GB1399721A - Method and apparatus for making twisted elongated objects such as stone sawing strands - Google Patents

Method and apparatus for making twisted elongated objects such as stone sawing strands

Info

Publication number
GB1399721A
GB1399721A GB3364972A GB3364972A GB1399721A GB 1399721 A GB1399721 A GB 1399721A GB 3364972 A GB3364972 A GB 3364972A GB 3364972 A GB3364972 A GB 3364972A GB 1399721 A GB1399721 A GB 1399721A
Authority
GB
United Kingdom
Prior art keywords
twisting
pneumatic
gripper
stands
slider
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
GB3364972A
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.)
USS Engineers and Consultants Inc
Original Assignee
USS Engineers and Consultants Inc
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 USS Engineers and Consultants Inc filed Critical USS Engineers and Consultants Inc
Publication of GB1399721A publication Critical patent/GB1399721A/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B23—MACHINE TOOLS; METAL-WORKING NOT OTHERWISE PROVIDED FOR
    • B23D—PLANING; SLOTTING; SHEARING; BROACHING; SAWING; FILING; SCRAPING; LIKE OPERATIONS FOR WORKING METAL BY REMOVING MATERIAL, NOT OTHERWISE PROVIDED FOR
    • B23D65/00—Making tools for sawing machines or sawing devices for use in cutting any kind of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21F—WORKING OR PROCESSING OF METAL WIRE
    • B21F7/00—Twisting wire; Twisting wire together
    • D—TEXTILES; PAPER
    • D07—ROPES; CABLES OTHER THAN ELECTRIC
    • D07B—ROPES OR CABLES IN GENERAL
    • D07B5/00—Making ropes or cables from special materials or of particular form

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Ropes Or Cables (AREA)
  • Tyre Moulding (AREA)
  • Processing Of Stones Or Stones Resemblance Materials (AREA)

Abstract

1399721 Twisting metal USS ENG & CONSULTANTS Inc 18 July 1972 [26 July 1971] 33649/72 Heading B3E An elongated twisted object such as a stone sawing strand, having the direction of twist reversed at intervals along its length, is made an apparatus comprising a twister head strand 6 and entry and exit tensioning stands 4, 8, there being means for gripping the object at each stand, means for twisting the object at the twister head, and means for urging the gripping means at the other stands away from each other so as to submit the object to tension as it shortens during twisting. As shown, the object S which may be a single rod or a plurality of strips, passes from a supply reel 2, through a gripper, Figs. 6 and 7 (not shown), on a slider 38 on stand 4. The gripper is controlled by a pneumatic cylinder 56, and the slider is connected to a pneumatic jack assembly 34. The object then passes through a rotary twisting head 112 having a gripper 136, Figs. 8-11 (not shown), operated by a pneumatic cylinder 154, through a gripper, Figs. 15-18 (not shown), on a slider on stand 8, and then to a take up reel 10. The gripper is operated by pneumatic cylinder 90, and the slider connected to a second pneumatic jack assembly 34. The stands are secured to selected ones of a series of foundations 12 in accordance with a selected distance between twist reversals. Pneumatic control lines run alongside the foundations from a control station, and are connectible to the pneumatic equipment on the stands. In operation, a length of object S to be twisted is run between stands 4 and 8 by motor 11, then jack assemblies 34 are extended to move the sliders to centred positions. All three grippers are then operated, and motor 102 energized to twist the object. Pneumatic pressure in jack assemblies 34 is maintained so as to submit the object to constant tensions as it shortens due to twisting. The motor 102 is connected to the twisting head through a brake and clutch unit which automatically operates so as to allow the object to take its own set after twisting.
GB3364972A 1971-07-26 1972-07-18 Method and apparatus for making twisted elongated objects such as stone sawing strands Expired GB1399721A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US16604771A 1971-07-26 1971-07-26

Publications (1)

Publication Number Publication Date
GB1399721A true GB1399721A (en) 1975-07-02

Family

ID=22601583

Family Applications (1)

Application Number Title Priority Date Filing Date
GB3364972A Expired GB1399721A (en) 1971-07-26 1972-07-18 Method and apparatus for making twisted elongated objects such as stone sawing strands

Country Status (8)

Country Link
US (1) US3704580A (en)
BE (1) BE786657A (en)
CA (1) CA959724A (en)
DE (1) DE2235665A1 (en)
FR (1) FR2147159B1 (en)
GB (1) GB1399721A (en)
IT (1) IT964780B (en)
LU (1) LU65782A1 (en)

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129720A (en) * 1982-11-10 1984-05-23 Allied Steel Wire Ltd Cold working continuous lengths of metal
CN112877822A (en) * 2020-12-31 2021-06-01 安徽华科实业有限公司 Processing device for nylon and using method thereof

Families Citing this family (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3910022A (en) * 1974-07-18 1975-10-07 Northern Electric Co Apparatus for stranding wires
FR2418294A1 (en) * 1978-02-24 1979-09-21 Inst Metiznoi Prom Vniimetiz Twisted cables making machine dies mover - comprises slider reciprocated in guides extending along axis of pulling article
US4325214A (en) * 1979-12-19 1982-04-20 Northern Telecom Limited Apparatus for stranding wire
US4414802A (en) * 1982-08-30 1983-11-15 Northern Telecom Limited Apparatus for stranding wire

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2604883A (en) * 1949-02-17 1952-07-29 D Avaucourt Pierre De Vitry Wire saw strand and method of making the same
US3052079A (en) * 1958-11-10 1962-09-04 Western Electric Co Apparatus for twisting strands
US3545194A (en) * 1967-08-21 1970-12-08 United States Steel Corp Reeling preassembled parallel wire strands for bridges and other structural applications

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB2129720A (en) * 1982-11-10 1984-05-23 Allied Steel Wire Ltd Cold working continuous lengths of metal
CN112877822A (en) * 2020-12-31 2021-06-01 安徽华科实业有限公司 Processing device for nylon and using method thereof

Also Published As

Publication number Publication date
FR2147159B1 (en) 1978-03-03
CA959724A (en) 1974-12-24
LU65782A1 (en) 1972-11-28
IT964780B (en) 1974-01-31
DE2235665A1 (en) 1973-02-08
BE786657A (en) 1973-01-24
FR2147159A1 (en) 1973-03-09
US3704580A (en) 1972-12-05

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Legal Events

Date Code Title Description
PS Patent sealed [section 19, patents act 1949]
PLNP Patent lapsed through nonpayment of renewal fees