US3554237A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Insulated wire-reinforced flexible hose
Assignee: Callahan Mining Corp
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Filing: 1968-03-29
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Granted: 1971-01-12
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Expires: 1988-03-29
Abstract
Abstract The disclosed hose comprises an inner strip of insulating material laminated with heat reflective sheeting and covered with a flexible tape. The composite is wound into a hose with the lateral edges of consecutive tape convolutions overlapped and adhered together to form a helical seam. A helically deformed reinforcing wire is lodged in the helical seam just prior to its formation and a wear strip may be adhered thereover for abrasion resistance. The inner seam of the hose is sealed by a band of heat reflective material. The hose is manufactured by a continuous process in which the insulating strip, band, tape and wear strip are fed through a pressure guide which bonds them together, and the composite hose cover is then fed to hose forming apparatus.
Inventors
- 👤 Richard B Pelley
- 👤 James R Warner
- 👤 George E Herbert
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 06:58
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/24; F16L59/00; F16L59/02; F16L59/027
Claims Analysis
Total Claims: 19
Claim 1
Independent Claim
129 words
An insulated, wire-reinforced flexible hose comprising, in combination: A. an elongated strip of flexible heat insulating material having a heat reflective layer on at least one surface thereof; 1. said strip being helically wound into an insulating tube with the lateral edges of adjacent convolutions thereof in substantially continuous edge-abutting relationship to form a first helical seam, and with said heat reflective layer on at least the inner surface of said insulating tube, B. a flexible tape; 1. helically wrapped about said insulating tube 2. with the adjacent edges of consecutive convolutions overlapped and adhesively secured together to form a second continuous helical seam coextensive with said first helical seam, and C. a reinforcing wire; 1. incorporated in said second helical seam between said overlapped edges of said tape.
Claim 2
Dependent Claim
129 words
An insulated, wire-reinforced flexible hose comprising, in combination: A. an elongated strip of flexible heat insulating material having a heat reflective layer on at least one surface thereof; 1. said strip being helically wound into an insulating tube with the lateral edges of adjacent convolutions thereof in substantially continuous edge-abutting relationship to form a first helical seam, and with said heat reflective layer on at least the inner surface of said insulating tube, B. a flexible tape; 1. helically wrapped about said insulating tube 2. with the adjacent edges of consecutive convolutions overlapped and adhesively secured together to form a second continuous helical seam coextensive with said first helical seam, and C. a reinforcing wire; 1. incorporated in said second helical seam between said overlapped edges of said tape.
Claim 3
Dependent Claim
15 words
A hose as defined in claim 1 wherein said strip is a cellular resinous material.
Claim 4
Dependent Claim
30 words
with the adjacent edges of consecutive convolutions overlapped and adhesively secured together to form a second continuous helical seam coextensive with said first helical seam, and C. a reinforcing wire;
Claim 5
Dependent Claim
30 words
with the adjacent edges of consecutive convolutions overlapped and adhesively secured together to form a second continuous helical seam coextensive with said first helical seam, and C. a reinforcing wire;
Claim 6
Dependent Claim
11 words
incorporated in said second helical seam between said overlapped tape edges.
Claim 7
Dependent Claim
11 words
incorporated in said second helical seam between said overlapped tape edges.
Claim 8
Dependent Claim
30 words
with the adjacent edges of consecutive convolutions overlapped and adhesively secured together to form a second continuous helical seam coextensive with said first helical seam, and C. a reinforcing wire;
Claim 9
Dependent Claim
30 words
with the adjacent edges of consecutive convolutions overlapped and adhesively secured together to form a second continuous helical seam coextensive with said first helical seam, and C. a reinforcing wire;
Claim 10
Dependent Claim
26 words
helically wound into an insulating tube with the lateral edges of adjacent convolutions thereof in substantially continuous edge-abutting relationship, B. a reflectively coated flexible sealing band;
Claim 11
Dependent Claim
26 words
helically wound into an insulating tube with the lateral edges of adjacent convolutions thereof in substantially continuous edge-abutting relationship, B. a reflectively coated flexible sealing band;
Claim 12
Dependent Claim
16 words
A hose as defined in claim 2 wherein said cellular resinous material is open-cell polyurethane foam.
Claim 13
Dependent Claim
25 words
A hose as defined in claim 1 including means sealing the abutting lateral edges of said insulating material along the inner surface of the hose.
Claim 14
Dependent Claim
35 words
A hose as defined in claim 4 wherein said means comprises a reflectively coated flexible sealing band adhesively secured over the abutting lateral edges of said insulating material along the inner surface of the hose.
Claim 15
Dependent Claim
18 words
A hose as defined in claim 1 including an abrasion resistant wear strip secured over said helical seam.
Claim 16
Dependent Claim
19 words
An insulated, wire-reinforced flexible hose comprising, in combination: A. a flexible elongated strip of cellular resinous heat insulating material;
Claim 17
Dependent Claim
19 words
An insulated, wire-reinforced flexible hose comprising, in combination: A. a flexible elongated strip of cellular resinous heat insulating material;
Claim 18
Dependent Claim
26 words
An insulated, wire-reinforced flexible hose comprising, in combination: A. an elongated strip of flexible insulating material having at least one surface covered with tough flexible sheeting;
Claim 19
Dependent Claim
26 words
An insulated, wire-reinforced flexible hose comprising, in combination: A. an elongated strip of flexible insulating material having at least one surface covered with tough flexible sheeting;
References Cited (Backward Citations)
US3112771A
Cited
US3189053A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-01-11 | 1974-07-13 | 1975-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-01-11 | 1978-07-13 | 1979-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-01-11 | 1982-07-13 | 1983-01-12 | $7700.00 | Window Closed / Lapsed |