Patent US4581084A successfully refreshed from Google Patents.
US4581084A
Expired / Lapsed
US
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Method of and apparatus for transferring bead cores
Assignee: Bridgestone Corp
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Filing: 1983-12-05
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Granted: 1986-04-08
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Expires: 2003-12-05
Abstract
Abstract A method of and an apparatus for separating a bead core from a plurality of looped bead cores arranged in the form of a tube with the adjacent bead cores endwise sticking to one another, wherein the tube of the bead cores are wrapped round a radially collapsible feed drum whereupon the bead feed unit is driven for movement from a first predetermined position to a second predetermined position in a first predetermined direction parallel with the center axis of the feed drum. The tube of the bead cores is then pressed on the feed drum toward one axial end of the feed drum until the foremost one of the bead cores on the feed drum departs from the feed drum. The foremost one of the bead cores is on a bead receiver unit positioned close to the axial end of the feed drum and thereafter the bead receiver unit is driven for movement in a second predetermined direction perpendicular to the first direction for thereby forcing the bead core received on the bead receiver unit to separate from the tube of the remaining bead cores on the feed drum.
Inventors
- 👤 Makito Mukae
- 👤 Yusuke Araki
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 17:34
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/32; B29D30/0016; B29D2030/0044; Y; Y10; Y10T; Y10T156/00; Y10T156/19; Y10T156/1978; Y10T156/1989
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
241 words
A method of separating a bead core from a plurality of looped bead cores arranged in the form of a tube with the adjacent bead cores endwise sticking to one another with apparatus of the type including a movable bead feed unit and a movable bead receiver unit including spaced bead take-up elements, comprising the steps of wrapping said tube of the bead cores on a generally cylindrical feed drum which is radially collapsible about the center axis thereof, driving the bead feed unit for movement from a first predetermined position to a second predetermined position in a first predetermined direction substantially parallel with the center axis of the feed drum, pressing said tube of the bead cores on said feed drum toward one axial end of the feed drum until the foremost one of the bead cores on the feed drum departs from the feed drum, receiving said foremost one of the bead cores on the bead receiver unit positioned close to said axial end of the feed drum, driving the bead receiver unit together with said bead take-up elements for movement in a second predetermined direction substantilly perpendicular to said first direction with said bead take-up elements remaining fixed relative to one another and said bead receiver unit for thereby forcing the bead core received on said bead take-up elements on said bead receiver unit to separate from the tube of the remaining bead cores on said feed drum.
Claim 2
Independent Claim
241 words
A method of separating a bead core from a plurality of looped bead cores arranged in the form of a tube with the adjacent bead cores endwise sticking to one another with apparatus of the type including a movable bead feed unit and a movable bead receiver unit including spaced bead take-up elements, comprising the steps of wrapping said tube of the bead cores on a generally cylindrical feed drum which is radially collapsible about the center axis thereof, driving the bead feed unit for movement from a first predetermined position to a second predetermined position in a first predetermined direction substantially parallel with the center axis of the feed drum, pressing said tube of the bead cores on said feed drum toward one axial end of the feed drum until the foremost one of the bead cores on the feed drum departs from the feed drum, receiving said foremost one of the bead cores on the bead receiver unit positioned close to said axial end of the feed drum, driving the bead receiver unit together with said bead take-up elements for movement in a second predetermined direction substantilly perpendicular to said first direction with said bead take-up elements remaining fixed relative to one another and said bead receiver unit for thereby forcing the bead core received on said bead take-up elements on said bead receiver unit to separate from the tube of the remaining bead cores on said feed drum.
Claim 3
Dependent Claim
50 words
A method as set forth in claim 1, in which said tube of the bead cores is wrapped round said feed drum with the feed drum held in a radially collapsed condition and is transferred to said bead receiver unit with the feed drum held in a radially expanded condition.
Claim 4
Dependent Claim
58 words
A method as set forth in claim 2, in which said feed drum is radially collapsed after said bead feed unit is moved to said second predetermined position and is for the second time radially expanded after said foremost one of the tube of the bead cores on said feed drum is transferred to said bead receiver unit.
Claim 5
Dependent Claim
45 words
A method as set forth in claim 1, in which said second predetermined position of said bead feed unit is such that only one of the bead cores on said feed drum is permitted to withdraw from the feed drum to said bead receiver unit.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-04-07 | 1989-10-07 | 1990-04-08 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-07 | 1993-10-07 | 1994-04-08 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-07 | 1997-10-07 | 1998-04-08 | $7700.00 | Window Closed / Lapsed |