GB1320654A - End-down detecting means for automatic yarn piecing apparatus - Google Patents

End-down detecting means for automatic yarn piecing apparatus

Info

Publication number
GB1320654A
GB1320654A GB5686671A GB5686671A GB1320654A GB 1320654 A GB1320654 A GB 1320654A GB 5686671 A GB5686671 A GB 5686671A GB 5686671 A GB5686671 A GB 5686671A GB 1320654 A GB1320654 A GB 1320654A
Authority
GB
United Kingdom
Prior art keywords
yarn
piecing
delivery zone
nand gate
gate
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
GB5686671A
Inventor
William H Drake
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.)
Maremont Corp
Original Assignee
Maremont Corp
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 Maremont Corp filed Critical Maremont Corp
Publication of GB1320654A publication Critical patent/GB1320654A/en
Expired legal-status Critical Current

Links

Classifications

    • D—TEXTILES; PAPER
    • D01—NATURAL OR MAN-MADE THREADS OR FIBRES; SPINNING
    • D01H—SPINNING OR TWISTING
    • D01H15/00—Piecing arrangements ; Automatic end-finding, e.g. by suction and reverse package rotation; Devices for temporarily storing yarn during piecing
    • D01H15/013—Carriages travelling along the machines

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Spinning Or Twisting Of Yarns (AREA)
  • Filamentary Materials, Packages, And Safety Devices Therefor (AREA)

Abstract

1320654 Piecing arrangements MAREMONT CORP 7 Dec 1971 [26 Oct 1971] 56866/71 Heading DID A travelling piecing unit comprises a first photoelectric device for detecting whether the piecing unit is adjacent a yarn delivery zone of a spinning frame, a second photo-electric device for detecting whether yarn is present within the zone, a nand gate control which initiates the piecing operation and which is actuated by the coincidental receipt of actuating signals at each of its two inputs, and a circuit interconnecting the first and second photoelectric devices and the nand gate for actuating the gate in the asbence of yarn from the delivery zone. The control circuit can comprise a bistable memory device which is effective in one condition to supply an actuating signal to the nand gate and assumes that state upon detection of a yarn delivery zone. The bistable memory device assumes its second ineffective condition upon detection of yarn in the delivery zone. The circuit can also include switches to render the gate inactive at the end portions of the spining frame.
GB5686671A 1971-10-26 1971-12-07 End-down detecting means for automatic yarn piecing apparatus Expired GB1320654A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US19221071A 1971-10-26 1971-10-26

Publications (1)

Publication Number Publication Date
GB1320654A true GB1320654A (en) 1973-06-20

Family

ID=22708705

Family Applications (1)

Application Number Title Priority Date Filing Date
GB5686671A Expired GB1320654A (en) 1971-10-26 1971-12-07 End-down detecting means for automatic yarn piecing apparatus

Country Status (5)

Country Link
US (1) US3740937A (en)
CA (1) CA939218A (en)
CH (1) CH539143A (en)
DE (1) DE2163197A1 (en)
GB (1) GB1320654A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0433775A1 (en) * 1989-12-21 1991-06-26 Maschinenfabrik Rieter Ag Service carriage for servicing a spinning machine

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4047371A (en) * 1975-12-13 1977-09-13 Hans Stahlecker Spinning machine facility with a plurality of open end spinning machines and at least one servicing instrument
US4263776A (en) * 1979-09-24 1981-04-28 Parks-Cramer Company Apparatus and method for interrupting textile yarn processing operations
DE3536913C2 (en) * 1985-10-16 1997-06-12 Zinser Textilmaschinen Gmbh Method and device for controlling a sliver stop arrangement of a drafting system of a spinning machine
JPH052624Y2 (en) * 1990-05-14 1993-01-22
JP4421849B2 (en) * 2003-07-22 2010-02-24 株式会社デンソー Input protection circuit

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0433775A1 (en) * 1989-12-21 1991-06-26 Maschinenfabrik Rieter Ag Service carriage for servicing a spinning machine

Also Published As

Publication number Publication date
DE2163197A1 (en) 1973-06-14
US3740937A (en) 1973-06-26
CH539143A (en) 1973-07-15
CA939218A (en) 1974-01-01

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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
PCNP Patent ceased through non-payment of renewal fee