US3633259A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Coating method
Assignee: Ahlstrom Corp
•
Filing: 1969-04-04
•
Granted: 1972-01-11
•
Expires: 1989-04-04
Abstract
Abstract The roller body to be coated is enveloped by a material layer which thereafter is enveloped with another surface layer, the surface layer being brought into fused condition, for instance, by welding and when cooling it causes the material layer to contract around the roller body, after which the surface layer can be removed.
Inventors
- 👤 Klaus Kalevi Nikanen
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 16:39
CPC Classifications
B; B23; B23K; B23K20/00; B23K31/00; B23K31/02; Y; Y10; Y10T; Y10T29/00; Y10T29/49; Y10T29/49544; Y10T29/49547; Y10T29/49549; Y10T29/49552; Y10T29/4981; Y10T29/49826; Y10T29/49863; Y10T29/49865
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
81 words
Coating method win which a layer of material is compressed into place around a generally cylindrical roll body, with the utilization of heat, comprising placing said material layer around the roll body to wrap the body, subsequently surrounding the material layer with an envelope of fusible metal, converting a surface layer of said envelope to a fused state and then permitting the envelope to cool, thereby causing contraction of the material layer around the roll body, and finally removing the envelope.
Claim 2
Dependent Claim
81 words
Coating method win which a layer of material is compressed into place around a generally cylindrical roll body, with the utilization of heat, comprising placing said material layer around the roll body to wrap the body, subsequently surrounding the material layer with an envelope of fusible metal, converting a surface layer of said envelope to a fused state and then permitting the envelope to cool, thereby causing contraction of the material layer around the roll body, and finally removing the envelope.
Claim 3
Dependent Claim
26 words
Method according to claim 1, said material layer consisting of a material different from that of the roll body and different from that of the envelope.
Claim 4
Dependent Claim
29 words
Method according to claim 1, said material layer consisting of a material differing in composition from the composition of the roll body and differing in composition from the envelope.
Claim 5
Dependent Claim
23 words
Method according to claim 1, wherein said wrapping of said body with said material layer completely encloses the cylindrical surface of the body.
Claim 6
Dependent Claim
32 words
Method accordiNg to claim 1, wherein said wrapping of said body with said material layer does not completely enclose the cylindrical surface of the body, leaving narrow grooving through said material layer.
Claim 7
Dependent Claim
24 words
Method according to claim 1, characterized in that the said material layer to be compressed around the said body consists of suitably spaced annuli.
Claim 8
Dependent Claim
25 words
Method according to claim 1, characterized in that the said material layer compressed around the said body consists of a helically advancing rod of material.
Claim 9
Dependent Claim
44 words
Method according to claim 1, wherein grooves which widen toward the said body are formed in said material layer by using for said wrapping of the body contoured strip material formed to provide such widening grooves between adjacent strip segments wrapped around the body.
Claim 10
Dependent Claim
26 words
Method according to claim 1, characterized in that the said material layer to be compressed around the said body consists of one or more perforated plates.
Claim 11
Dependent Claim
29 words
Method according to claim 1, wherein the envelope is of weldable material and including bringing the surface layer of the envelope into fused state by welding on the same.
Claim 12
Dependent Claim
23 words
Method according to claim 1, characterized by bringing the surface layer of the said envelope into fused state by means of gas flame.
Claim 13
Dependent Claim
24 words
Method according to claim 1, characterized by bringing the surface layer of the said envelope into fused state by means of an electric arc.
Claim 14
Dependent Claim
24 words
Method according to claim 1, characterized by bringing the surface layer of the said envelope into fusee state by means of a plasm flame.
Claim 15
Dependent Claim
23 words
Method according to claim 1, characterized by bringing the surface layer of the said envelope into fused state by means of a laser.
References Cited (Backward Citations)
US2219085A
Cited
US2544455A
Cited
US2765526A
Cited
US3007231A
Cited
US3098285A
Cited
US3156986A
Cited
US3526939A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1975-01-10 | 1975-07-12 | 1976-01-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1979-01-10 | 1979-07-12 | 1980-01-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1983-01-10 | 1983-07-12 | 1984-01-11 | $7700.00 | Window Closed / Lapsed |