← Back to Patent Explorer
US3880698A Expired / Lapsed US ⏱️ 0.0 years remaining

Continuously feeding apparatus for rolled webs

Assignee: Toppan Containers Co Ltd
•
Filing: 1972-11-03
•
Granted: 1975-04-29
•
Expires: 1992-11-03
📄 Original PDF 🌐 Google Patents 🔄 Sync Now

Abstract

Abstract A continuously feeding apparatus for rolled webs which connects the leading end of one web to the terminal end of another web with each other to continue the feeding of webs with easiness, cleanness and reliability, and comprising a pair of support arms to support a pair of rolled webs; a pair of guide rolls each of which is held by a pair of swingable arms and being shifted to and from the center portion of the apparatus, and further each of said guide rolls comprises a cylindrical tube having a plurality of apertures on the peripheral wall thereof and inside of which is fed with vacuum to adhere the leading end of one web to be connected; and a plurality of other guide rolls to guide said webs.

Inventors

  • 👤 Minoru Kawazura
  • 👤 Shigeru Watai

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-24 22:18
CPC Classifications
B; B65; B65H; B65H19/00; B65H19/10; B65H19/18; B65H19/1857; B65H19/1873; B65H19/1805; B65H19/1826; B65H19/1831; B65H2301/00; B65H2301/40; B65H2301/46; B65H2301/461; B65H2301/4615; B65H2301/4617; B65H2301/46172; B65H2301/463; B65H2301/4633; B65H2301/464; B65H2301/46414; B65H2408/00; B65H2408/20; B65H2408/22; B65H2408/221; B65H2408/2211

Claims Analysis

Total Claims: 8
Claim 1
Independent Claim 226 words
A CONTINUOUSLY FEEDING APPARATUS FOR CONNECTING THE LEADING END OF A READY ROLLED WEB TO THE TERMINAL END OF A RUNNING ROLLED WEB TO CONTINUE THE FEEDING OF WEBS, COMPRISING A PAIR OF SUPPORT ARMS MOUNTED ON A FRAME FOR SUPPORTING SAID ROLLED WEBS, A PAIR OF GUIDE ROLLS, A PAIR OF SWINGABLE ARMS MOUNTED ON SAID FRAME FOR SUPPORTING EACH OF SAID GUIDE ROLLS, EACH OF SAID GUIDE ROLLS INCLUDING A CYLINDRICAL TUBE HAVING A PLURALITY OF APERATURES ON THE PERIPHERAL WALL THEREOF, THE INTERIORS OF SAID TUBES COMMUNICATING WITH A VACUUM SOURCE WHEREBY SAID LEADING END MAY BE ADHERED THERETO SO AS TO BE HELD IN POSITION FOR CONNECTION TO SAID TERMINAL END, GUIDE MECHANISM MEANS INCLUDING GUIDE RAILS AND MOTOR MEANS FOR HORIZONTALLY SHIFTING EACH OF SAID SWINGABLE ARMS ALONG SAID GUIDE RAILS RELATIVE TO SAID FRAME BETWEEN AN OUTSIDE PREPARATORY POSITION WHERE SAID LEADING END MAY BE ADHERED TO ITS RESPECTIVE GUIDE ROLL AND ADHESIVE MEANS APPLIED TO ONE SIDE OF SAID LEADING END AND A CENTRAL POSITION WHERE SAID GUIDE ROLLS ARE ADAPTED TO BE BROUGH TOGETHER TO CONNECT SAID LEADING END TO SAID TERMINAL END, AND MEANS FOR MOVING SAID SWINGABLE ARMS TO MOVE SAID GUIDE ROLLS TOWARD ONE ANOTHER AT SAID CENTRAL POSITON FOR PRESSING SAID LEADING END AGAINST SAID TRAILING END TO EFFECT A CONNECTION OF SAID WEBS.
Claim 2
Dependent Claim 226 words
A CONTINUOUSLY FEEDING APPARATUS FOR CONNECTING THE LEADING END OF A READY ROLLED WEB TO THE TERMINAL END OF A RUNNING ROLLED WEB TO CONTINUE THE FEEDING OF WEBS, COMPRISING A PAIR OF SUPPORT ARMS MOUNTED ON A FRAME FOR SUPPORTING SAID ROLLED WEBS, A PAIR OF GUIDE ROLLS, A PAIR OF SWINGABLE ARMS MOUNTED ON SAID FRAME FOR SUPPORTING EACH OF SAID GUIDE ROLLS, EACH OF SAID GUIDE ROLLS INCLUDING A CYLINDRICAL TUBE HAVING A PLURALITY OF APERATURES ON THE PERIPHERAL WALL THEREOF, THE INTERIORS OF SAID TUBES COMMUNICATING WITH A VACUUM SOURCE WHEREBY SAID LEADING END MAY BE ADHERED THERETO SO AS TO BE HELD IN POSITION FOR CONNECTION TO SAID TERMINAL END, GUIDE MECHANISM MEANS INCLUDING GUIDE RAILS AND MOTOR MEANS FOR HORIZONTALLY SHIFTING EACH OF SAID SWINGABLE ARMS ALONG SAID GUIDE RAILS RELATIVE TO SAID FRAME BETWEEN AN OUTSIDE PREPARATORY POSITION WHERE SAID LEADING END MAY BE ADHERED TO ITS RESPECTIVE GUIDE ROLL AND ADHESIVE MEANS APPLIED TO ONE SIDE OF SAID LEADING END AND A CENTRAL POSITION WHERE SAID GUIDE ROLLS ARE ADAPTED TO BE BROUGH TOGETHER TO CONNECT SAID LEADING END TO SAID TERMINAL END, AND MEANS FOR MOVING SAID SWINGABLE ARMS TO MOVE SAID GUIDE ROLLS TOWARD ONE ANOTHER AT SAID CENTRAL POSITON FOR PRESSING SAID LEADING END AGAINST SAID TRAILING END TO EFFECT A CONNECTION OF SAID WEBS.
Claim 3
Dependent Claim 34 words
A continuously feeding apparatus as claimed in claim 1, wherein said guide mechanism further includes sliding pieces slidingly mounted on said guide rails, and wherein said swingable arms are carried by said sliding pieces.
Claim 4
Dependent Claim 36 words
A continuously feeding apparatus as claimed in claim 2, and further including auxiliary arms carried by said sliding pieces, and means acting through said auxiliary arms for swinging said swingable arms at said outside preparatory position.
Claim 5
Dependent Claim 42 words
A continuously feeding apparatus as claimed in claim 2, wherein said means for moving said swingable arms at said central position includes auxiliary arms connected to said sliding pieces, and air cylinder means acting between said auxiliary arms and said swingable arms.
Claim 6
Dependent Claim 28 words
A continuously feeding apparatus as claimed in claim 3, wherein said means acting through said auxiliary arms include a gearing arrangement driven by a motor and sprocket drive.
Claim 7
Dependent Claim 51 words
A continuously feeding apparatus for rolled webs as claimed in claim 1, in which a pair of cutters are provided and one of said cutters is actuated simultaneously when the leading end of the ready web is connected to the terminal end of the running web to cut the latter web.
Claim 8
Dependent Claim 29 words
A continously feeding apparatus for rolled webs as claimed in claim 1, in which a pair of pressure rolls are provided to give partial resistance to said rolled webs.

References Cited (Backward Citations)

US2035682A Cited
US2613042A Cited
US3132544A Cited
US3188015A Cited
US3440126A Cited
US3753833A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1978-04-28 1978-10-28 1979-04-29 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1982-04-28 1982-10-28 1983-04-29 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1986-04-28 1986-10-28 1987-04-29 $7700.00 Window Closed / Lapsed

Assigned Categories & Tags

No categories assigned to this patent yet.

Assign Category Tag