US3724735A - System for driving or braking a strip - Google Patents

System for driving or braking a strip Download PDF

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Publication number
US3724735A
US3724735A US00131925A US3724735DA US3724735A US 3724735 A US3724735 A US 3724735A US 00131925 A US00131925 A US 00131925A US 3724735D A US3724735D A US 3724735DA US 3724735 A US3724735 A US 3724735A
Authority
US
United States
Prior art keywords
strip
shoe
roller
jack
compressed air
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 - Lifetime
Application number
US00131925A
Other languages
English (en)
Inventor
P Gay
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.)
Creusot Loire SA
Original Assignee
Creusot Loire SA
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 Creusot Loire SA filed Critical Creusot Loire SA
Application granted granted Critical
Publication of US3724735A publication Critical patent/US3724735A/en
Anticipated expiration legal-status Critical
Expired - Lifetime legal-status Critical Current

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Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H23/00—Registering, tensioning, smoothing or guiding webs
    • B65H23/04—Registering, tensioning, smoothing or guiding webs longitudinally
    • B65H23/24—Registering, tensioning, smoothing or guiding webs longitudinally by fluid action, e.g. to retard the running web
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21B—ROLLING OF METAL
    • B21B39/00—Arrangements for moving, supporting, or positioning work, or controlling its movement, combined with or arranged in, or specially adapted for use in connection with, metal-rolling mills
    • B21B39/02—Feeding or supporting work; Braking or tensioning arrangements, e.g. threading arrangements
    • B21B39/08—Braking or tensioning arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
    • B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
    • B21C47/003—Regulation of tension or speed; Braking
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D1/00—Straightening, restoring form or removing local distortions of sheet metal or specific articles made therefrom; Stretching sheet metal combined with rolling
    • B21D1/05—Stretching combined with rolling
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G23/00—Driving gear for endless conveyors; Belt- or chain-tensioning arrangements
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65G—TRANSPORT OR STORAGE DEVICES, e.g. CONVEYORS FOR LOADING OR TIPPING, SHOP CONVEYOR SYSTEMS OR PNEUMATIC TUBE CONVEYORS
    • B65G2812/00—Indexing codes relating to the kind or type of conveyors
    • B65G2812/02—Belt or chain conveyors
    • B65G2812/02128—Belt conveyors
    • B65G2812/02138—Common features for belt conveyors
    • B65G2812/02148—Driving means for the belts
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2301/00—Handling processes for sheets or webs
    • B65H2301/50—Auxiliary process performed during handling process
    • B65H2301/51—Modifying a characteristic of handled material
    • B65H2301/517—Drying material

Definitions

  • Means are therefore required to impart these different required traction conditions to the strip.
  • Such means are generally either driving or braking rollers, around which the strip extends over an angle a, as shown in FIG. 1.
  • a stationary member is disposed outside the roller and formsa chamber between itself and the roller, a pressure fluid being introduced into said chamber to apply the strip to the roller.
  • the object of this invention is to improve these latter known systems.
  • a system for driving a strip comprising a roller for receiving strip, a shoe applicable radially toward the roller in the region in which the strip will be received, and means to inject a pressure fluid radially inward the shoe, the system being characterized in that the shoe is slightly movable in a fixed frame by ajack so that when pressure fluid is applied between the shoe and a strip received by theroller, the strip will be applied against the roller with a force equal to that exerted by the jack on the shoe, while contact between the shoe and'the strip will be prevented by the formation of a very thin fluid cushion which will leave only a very small clearance between the shoe and the strip and which will prevent any rubbing of the shoe on the strip.
  • pressure fluid is compressed air.
  • FIG. 1 is a diagrammatic end elevation of a roller with a strip applied to it.
  • FIG. 2 is a vertical section of this embodiment.
  • the strip 1 moves in the direction of the arrow and passes successively around a deflector roller 2, and then a drive (or brake) roller 3 and finally a deflector roller 4.
  • Reference 9 denotes the frame which supports the bearings forming the axes of rotation of the rollers 2, 3 and 4.
  • a jack 7 fed with pressure fluid by the device 8 applies the shoe 5 against the strip 1 in the region where said strip extends around the roller 3.
  • a device 6 feeds compressed air to the cavity of the shoe 5 adjacent the strip.
  • a valve 11 provides a varying pressure loss between the supply 6 and the shoe 5 so that the rate of flow of the fluid can be reduced. Said flow will be adjusted for a given force of the jack 7 to a value just sufficient to prevent the shoe 5 from rubbing on the strip.
  • a system for driving a strip comprising a roller for receiving a strip, a shoe movable radially toward the roller in the region in which the strip is received, and means for injecting compressed air radially inward of said shoe against said strip, a fixed frame movably supporting said shoe, a jack moving said shoe in said frame whereby when compressed air is applied between said shoe and said strip on said roller, said strip is applied against said roller with a force equal to that exerted by said jack on said shoe, the compressed air forming a very thin fluid cushion and providing a very small clearance between said shoe and said strip preventing rubbing of said shoe on said strip.
  • said means for injecting pressure fluid between said shoe-and said strip including a valve providing an adjustable pressure loss.

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
  • Braking Arrangements (AREA)
  • Registering, Tensioning, Guiding Webs, And Rollers Therefor (AREA)
  • Advancing Webs (AREA)
US00131925A 1970-05-08 1971-04-07 System for driving or braking a strip Expired - Lifetime US3724735A (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
FR7016777A FR2087183A5 (de) 1970-05-08 1970-05-08
FR7026343A FR2097661A6 (de) 1970-05-08 1970-07-17

Publications (1)

Publication Number Publication Date
US3724735A true US3724735A (en) 1973-04-03

Family

ID=26215725

Family Applications (1)

Application Number Title Priority Date Filing Date
US00131925A Expired - Lifetime US3724735A (en) 1970-05-08 1971-04-07 System for driving or braking a strip

Country Status (6)

Country Link
US (1) US3724735A (de)
JP (1) JPS5110195B1 (de)
BE (1) BE763801A (de)
DE (1) DE2122685B2 (de)
FR (2) FR2087183A5 (de)
GB (1) GB1344874A (de)

Cited By (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3926353A (en) * 1974-01-11 1975-12-16 Creusot Loire Apparatus adapted for driving or braking a metallic band
US4337884A (en) * 1979-08-17 1982-07-06 Mitsubishi Jukogyo Kabushiki Kaisha Single facer
WO1990005105A1 (en) * 1988-11-08 1990-05-17 Hughes Aircraft Company Pneumatic shoe for high speed filamentary capstan
US5038990A (en) * 1988-11-08 1991-08-13 Hughes Aircraft Company Pneumatic shoe for high speed filamentary capstan
US20100206931A1 (en) * 2007-11-02 2010-08-19 Wataru Mizuno Nip apparatus and nip method

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
FR2212187B1 (de) * 1972-12-29 1975-03-28 Creusot Loire

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955732A (en) * 1957-12-16 1960-10-11 Anton R Stobb Air pressure means for urging paper web against a rotating cylinder
US3122295A (en) * 1962-06-04 1964-02-25 Sylvania Electric Prod Web transport
US3258184A (en) * 1964-04-20 1966-06-28 Sylvania Electric Prod Tape transport apparatus

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2955732A (en) * 1957-12-16 1960-10-11 Anton R Stobb Air pressure means for urging paper web against a rotating cylinder
US3122295A (en) * 1962-06-04 1964-02-25 Sylvania Electric Prod Web transport
US3258184A (en) * 1964-04-20 1966-06-28 Sylvania Electric Prod Tape transport apparatus

Cited By (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3926353A (en) * 1974-01-11 1975-12-16 Creusot Loire Apparatus adapted for driving or braking a metallic band
US4337884A (en) * 1979-08-17 1982-07-06 Mitsubishi Jukogyo Kabushiki Kaisha Single facer
WO1990005105A1 (en) * 1988-11-08 1990-05-17 Hughes Aircraft Company Pneumatic shoe for high speed filamentary capstan
AU612522B2 (en) * 1988-11-08 1991-07-11 Hughes Aircraft Company Pneumatic shoe for high speed filamentary capstan
US5038990A (en) * 1988-11-08 1991-08-13 Hughes Aircraft Company Pneumatic shoe for high speed filamentary capstan
US20100206931A1 (en) * 2007-11-02 2010-08-19 Wataru Mizuno Nip apparatus and nip method

Also Published As

Publication number Publication date
DE2122685A1 (de) 1971-11-18
FR2097661A6 (de) 1972-03-03
BE763801A (fr) 1971-08-02
JPS5110195B1 (de) 1976-04-02
GB1344874A (en) 1974-01-23
FR2087183A5 (de) 1971-12-31
DE2122685B2 (de) 1972-03-16

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