US3717529A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Application assembly for tread building apparatus
Assignee: AMF Inc
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Filing: 1971-03-01
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Granted: 1973-02-20
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Expires: 1991-03-01
Abstract
Abstract Apparatus for applying tread rubber to bases of circular cross section, which comprises a central shaft, means for mounting a plurality of bases on the central shaft, means for rotating said shaft to advance the bases through a succession of stations, means mounted adjacent one of said stations for applying rubber to a base advanced to said stations, means mounted adjacent another of said stations for applying rubber to the base having the rubber thereon applied thereto at said one of said stations, the rubber applied at the two stations taken together forming the tread and sidewall rubber portions of a tire, and means mounted on said central shaft for stitching the rubber applied to the base at said one of said stations firmly to the base. Further means for applying extruded rubber to the base by advance of a roller, individually braked for severing the rubber, and means responsive to the movement of the roller to the base for actuating base rotation and extruder feed.
Inventors
- 👤 W Rattray
- 👤 B Brown
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 00:29
CPC Classifications
B; B29; B29D; B29D30/00; B29D30/06; B29D30/08; B29D30/20; B29D30/30; B29D30/3028; B29D30/28; G; G06; G06M; G06M7/00; G06M7/02; G06M7/06; B29D2030/206; B29D2030/207
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
68 words
In apparatus for applying strip rubber from an extruder to a base having a circular cross section, a rubber application assembly which comprises: a carriage mounted for movement parallel to the axis of the base, an application roller mounted for free rotation on said carriage, means for moving the application roller towards and away From said circular base, and means for braking the rotation of the application roller.
Claim 2
Dependent Claim
68 words
In apparatus for applying strip rubber from an extruder to a base having a circular cross section, a rubber application assembly which comprises: a carriage mounted for movement parallel to the axis of the base, an application roller mounted for free rotation on said carriage, means for moving the application roller towards and away From said circular base, and means for braking the rotation of the application roller.
Claim 3
Dependent Claim
68 words
In apparatus for applying strip rubber from an extruder to a base having a circular cross section, a rubber application assembly which comprises: a carriage mounted for movement parallel to the axis of the base, an application roller mounted for free rotation on said carriage, means for moving the application roller towards and away From said circular base, and means for braking the rotation of the application roller.
Claim 4
Dependent Claim
68 words
In apparatus for applying strip rubber from an extruder to a base having a circular cross section, a rubber application assembly which comprises: a carriage mounted for movement parallel to the axis of the base, an application roller mounted for free rotation on said carriage, means for moving the application roller towards and away From said circular base, and means for braking the rotation of the application roller.
Claim 5
Dependent Claim
38 words
Apparatus according to claim 1, further comprising: a support mounted on said carriage, a plurality of stitching rollers independently mounted to said support, and means for moving said stitching roller support toward and away from the circular base.
Claim 6
Dependent Claim
27 words
Apparatus according to claim 1, further comprising: means responsive to the movement of the application roller to the circular base for actuating base rotation and extruder feed.
Claim 7
Dependent Claim
27 words
Apparatus according to claim 2, further comprising: means responsive to the movement of the application roller to the circular base for actuating base rotation and extruder feed.
Claim 8
Independent Claim
89 words
A method of applying strip rubber from an extruder to a base having a circular cross section, comprising the steps of: directing the rubber strip to an application roller, driving the application roller and rubber strip thereon into engagement with the base, actuating rotation of the base in response to the driving of the application roller thereto to pick the strip from the application roller and transferring it to the rotating base, and severing the strip after a predetermined amount of rubber has been applied to the rotating base.
Claim 9
Independent Claim
89 words
A method of applying strip rubber from an extruder to a base having a circular cross section, comprising the steps of: directing the rubber strip to an application roller, driving the application roller and rubber strip thereon into engagement with the base, actuating rotation of the base in response to the driving of the application roller thereto to pick the strip from the application roller and transferring it to the rotating base, and severing the strip after a predetermined amount of rubber has been applied to the rotating base.
Claim 10
Dependent Claim
55 words
A method according to claim 5, further including the step of: retracting the application roller from the base after the rubber strip has been transferred thereto, the application roller now guiding the rubber strip to the base, and moving the application roller parallel to the axis of the base to cover a predetermined portion thereof.
Claim 11
Dependent Claim
21 words
A method according to claim 5, wherein the step of severing the strip comprises braking the rotation of the application roller.
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) | 1976-02-20 | 1976-08-21 | 1977-02-20 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-02-20 | 1980-08-21 | 1981-02-20 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-02-20 | 1984-08-21 | 1985-02-20 | $7700.00 | Window Closed / Lapsed |