US3880698A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Continuously feeding apparatus for rolled webs
Assignee: Toppan Containers Co Ltd
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Filing: 1972-11-03
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Granted: 1975-04-29
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Expires: 1992-11-03
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 |