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IT1242991B - THREAD TENSION ATTENUATING DEVICE IN A WRAPPING UNIT - Google Patents

THREAD TENSION ATTENUATING DEVICE IN A WRAPPING UNIT

Info

Publication number
IT1242991B
IT1242991B IT02132390A IT2132390A IT1242991B IT 1242991 B IT1242991 B IT 1242991B IT 02132390 A IT02132390 A IT 02132390A IT 2132390 A IT2132390 A IT 2132390A IT 1242991 B IT1242991 B IT 1242991B
Authority
IT
Italy
Prior art keywords
thread tension
attenuating device
wrapping unit
tension attenuating
wrapping
Prior art date
Application number
IT02132390A
Other languages
Italian (it)
Other versions
IT9021323A0 (en
IT9021323A1 (en
Inventor
Roberto Badiali
Amedeo Quaia
Original Assignee
Savio Spa
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 Savio Spa filed Critical Savio Spa
Priority to IT02132390A priority Critical patent/IT1242991B/en
Publication of IT9021323A0 publication Critical patent/IT9021323A0/en
Priority to EP91202032A priority patent/EP0475475A1/en
Publication of IT9021323A1 publication Critical patent/IT9021323A1/en
Application granted granted Critical
Publication of IT1242991B publication Critical patent/IT1242991B/en

Links

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
    • B65H57/00—Guides for filamentary materials; Supports therefor
    • B65H57/22—Guides for filamentary materials; Supports therefor adapted to prevent excessive ballooning of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H59/00—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators
    • B65H59/02—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package
    • B65H59/06—Adjusting or controlling tension in filamentary material, e.g. for preventing snarling; Applications of tension indicators by regulating delivery of material from supply package by devices acting on material leaving the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H63/00—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package
    • B65H63/08—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle
    • B65H63/082—Warning or safety devices, e.g. automatic fault detectors, stop-motions ; Quality control of the package responsive to delivery of a measured length of material, completion of winding of a package, or filling of a receptacle responsive to a predetermined size or diameter of the package
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2553/00—Sensing or detecting means
    • B65H2553/40—Sensing or detecting means using optical, e.g. photographic, elements
    • B65H2553/41—Photoelectric detectors
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65H—HANDLING THIN OR FILAMENTARY MATERIAL, e.g. SHEETS, WEBS, CABLES
    • B65H2701/00—Handled material; Storage means
    • B65H2701/30—Handled filamentary material
    • B65H2701/31—Textiles threads or artificial strands of filaments

Landscapes

  • Engineering & Computer Science (AREA)
  • Quality & Reliability (AREA)
  • Devices For Conveying Motion By Means Of Endless Flexible Members (AREA)
  • Tension Adjustment In Filamentary Materials (AREA)
  • Winding Filamentary Materials (AREA)
IT02132390A 1990-08-29 1990-08-29 THREAD TENSION ATTENUATING DEVICE IN A WRAPPING UNIT IT1242991B (en)

Priority Applications (2)

Application Number Priority Date Filing Date Title
IT02132390A IT1242991B (en) 1990-08-29 1990-08-29 THREAD TENSION ATTENUATING DEVICE IN A WRAPPING UNIT
EP91202032A EP0475475A1 (en) 1990-08-29 1991-08-07 Device for reducing the tension of the thread in a spooler

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
IT02132390A IT1242991B (en) 1990-08-29 1990-08-29 THREAD TENSION ATTENUATING DEVICE IN A WRAPPING UNIT

Publications (3)

Publication Number Publication Date
IT9021323A0 IT9021323A0 (en) 1990-08-29
IT9021323A1 IT9021323A1 (en) 1992-02-29
IT1242991B true IT1242991B (en) 1994-05-23

Family

ID=11180111

Family Applications (1)

Application Number Title Priority Date Filing Date
IT02132390A IT1242991B (en) 1990-08-29 1990-08-29 THREAD TENSION ATTENUATING DEVICE IN A WRAPPING UNIT

Country Status (2)

Country Link
EP (1) EP0475475A1 (en)
IT (1) IT1242991B (en)

Families Citing this family (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5377923A (en) * 1991-07-01 1995-01-03 Murata Kikai Kabushiki Kaisha Yarn unwinding assisting device and yarn unwinding method in an automatic winder
US5374000A (en) * 1992-01-30 1994-12-20 Murata Kikai Kabushiki Kaisha Cop changing mechanism for a winding unit

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH351202A (en) * 1955-05-10 1960-12-31 Reiners Walter Ing Dr Method and device for pulling off a textile thread from an overhead lap over a thread guide member while influencing the thread tension
CH356954A (en) * 1958-11-08 1961-09-15 Bayer Ag Method for protecting non-textile materials against termite damage
JPS61178373A (en) * 1985-01-31 1986-08-11 Murata Mach Ltd Thread unwinding auxiliary device
EP0225670B1 (en) * 1985-12-09 1989-05-17 Picanol N.V. Process for unwinding a thread from a reel in looms, and arrangement used therefor

Also Published As

Publication number Publication date
IT9021323A0 (en) 1990-08-29
EP0475475A1 (en) 1992-03-18
IT9021323A1 (en) 1992-02-29

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Legal Events

Date Code Title Description
0001 Granted
TA Fee payment date (situation as of event date), data collected since 19931001

Effective date: 19970828