US3695024A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vibration-damped tubular casing
Assignee: Individual
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Filing: 1971-05-25
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Granted: 1972-10-03
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Expires: 1991-05-25
Abstract
Abstract The noise generated in a tubular casing such as the bolster casing of a textile spindle assembly is appreciably diminished by coating the outer surface of the casing with a viscoelastic material and adhering a rigid sheet to the viscoelastic material. The rigid sheet forms a discontinuous cylinder with at least one gap extending over the full length thereof.
Inventors
- 👤 Kenneth Tsunoda
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 12:15
CPC Classifications
D; D01; D01H; D01H7/00; D01H7/02; D01H7/04; D01H7/08; D01H7/10
Claims Analysis
Total Claims: 12
Claim 1
Independent Claim
63 words
A vibration-damped tubular casing containing a movable member capable of causing vibration by its movement, which comprises a layer of viscoelastic material adherent to the outer surface of said casing, and a discontinuous cylinder formed of a relatively rigid sheet and having at least one gap extending the full length of said cylinder, said cylinder being bonded to said layer of viscoelastic material.
Claim 2
Dependent Claim
63 words
A vibration-damped tubular casing containing a movable member capable of causing vibration by its movement, which comprises a layer of viscoelastic material adherent to the outer surface of said casing, and a discontinuous cylinder formed of a relatively rigid sheet and having at least one gap extending the full length of said cylinder, said cylinder being bonded to said layer of viscoelastic material.
Claim 3
Dependent Claim
28 words
The vibration-damped tubular casing of claim 1 wherein the layer of viscoelastic material has a thickness of not more than about half of the thickness of said casing.
Claim 4
Dependent Claim
36 words
The vibration-damped tubular casing of claim 1 wherein the discontinuous cylinder is provided by at least two cylindrical segments that are separated from each other by small gaps extending the full length of said cylindrical segments.
Claim 5
Dependent Claim
34 words
The vibration-damped tubular casing of claim 1 wherein the discontinuous cylinder is made of metal, and the layer of viscoelastic material comprises a material selected from the group consisting of amorphous polymers and copolymers.
Claim 6
Dependent Claim
39 words
The vibration-damped tubular casing of claim 1 wherein the discontinuous cylinder has a thickness less than that of said casing, and the layer of viscoelastic material has a thickness not more than about the full thickness of said cylinder.
Claim 7
Dependent Claim
65 words
A vibration-damped bolster casing for a rotary spindle, which comprises a metal tubular body, a layer of viscoelastic material adherent to the outer surface of said tubular body, and a discontinuous cylinder formed of a relatively rigid sheet and having at least one gap extending the full length of said cylinder, said cylinder being supported in contact with substantially only said layer of viscoelastic material.
Claim 8
Dependent Claim
65 words
A vibration-damped bolster casing for a rotary spindle, which comprises a metal tubular body, a layer of viscoelastic material adherent to the outer surface of said tubular body, and a discontinuous cylinder formed of a relatively rigid sheet and having at least one gap extending the full length of said cylinder, said cylinder being supported in contact with substantially only said layer of viscoelastic material.
Claim 9
Dependent Claim
37 words
The vibration-damped bolster casing of claim 6 wherein the discontinuous cylinder is provided by at least two metal cylindrical segments that are separated from each other by small gaps extending the full length of said cylindrical segments.
Claim 10
Dependent Claim
43 words
The vibration-damped bolster casing of claim 7 wherein the layer of viscoelastic material has a thickness of not more than about half of the thickness of the tubular body and comprises a material selected from the group consisting of amorphous polymers and copolymers.
Claim 11
Dependent Claim
32 words
The vibration-damped bolster casing of claim 7 wherein the combined thickness of the discontinuous cylinder and the layer of viscoelastic material is not more than about the thickness of the tubular body.
Claim 12
Dependent Claim
65 words
The vibration-damped bolster casing of claim 9 wherein the upper end portion of the tubular body is externally threaded and a metal nipple which is both internally and externally threaded is screwed onto the threaded upper end portion of said tubular body, said nipple having a thickness at least slightly greater than the combined thickness of the discontinuous cylinder and the layer of viscoelastic material.
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) | 1975-10-03 | 1976-04-03 | 1976-10-03 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-10-03 | 1980-04-03 | 1980-10-03 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-10-03 | 1984-04-03 | 1984-10-03 | $7700.00 | Window Closed / Lapsed |