Patent US4587145A successfully refreshed from Google Patents.
US4587145A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Flexible hose
Assignee: Individual
•
Filing: 1984-11-15
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Granted: 1986-05-06
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Expires: 2004-11-15
Abstract
Abstract A flexible hose composed of a membrane which comprises soft and hard strip members alternatively disposed in a spiral form. A connector element is disposed to extend through the center of the thickness of the soft strip member and bilaterally of the hose in its axial direction. Both the projected portions of the connector element and the hard strip members adjacent the soft strip member are interconnected.
Inventors
- 👤 Shiro Kanao
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:47
CPC Classifications
F; F16; F16L; F16L11/00; F16L11/04; F16L11/11; B; B29; B29C; B29C53/00; B29C53/56; B29C53/58; B29C53/581; B29C53/582; B29C53/80; B29C53/8008; B29C53/8083; B29D; B29D23/00; B29D23/001; F16L11/08; F16L11/081; Y; Y10; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1369; Y10T428/1386; Y10T428/139
Claims Analysis
Total Claims: 18
Claim 1
Independent Claim
63 words
A flexible hose comprising: a membrane having soft and hard strip members alternatively disposed in a spiral form, a connector element disposed through the center of the thickness of said soft strip member and spiral wound on the hose, said connector element having a plurality of projected portions, and; said projected portions and said hard strip adjacent said soft strip member being interconnected.
Claim 2
Dependent Claim
63 words
A flexible hose comprising: a membrane having soft and hard strip members alternatively disposed in a spiral form, a connector element disposed through the center of the thickness of said soft strip member and spiral wound on the hose, said connector element having a plurality of projected portions, and; said projected portions and said hard strip adjacent said soft strip member being interconnected.
Claim 3
Dependent Claim
44 words
A flexible hose as set forth in claim 1 wherein said soft strip member is integrally formed to hold said connector element between one soft strip portion and another soft strip portion located centrally of the outer periphery of the first soft strip portion.
Claim 4
Dependent Claim
43 words
A flexible hose as set forth in claim 1 wherein said soft strip member is integrally formed to hold said connector element between said first soft strip portion and two soft strip portions disposed bilaterally of the hose therearound in its axial direction.
Claim 5
Dependent Claim
24 words
A flexible hose as set forth in claim 1 wherein said connector element is made of the same material as said hard strip members.
Claim 6
Dependent Claim
24 words
A flexible hose as set forth in claim 2, wherein said connector element is made of the same material as said hard strip member.
Claim 7
Dependent Claim
24 words
A flexible hose as set forth in claim 3, wherein said connector element is made of the same material as said hard strip member.
Claim 8
Dependent Claim
43 words
A flexible hose as set forth in claim 1, wherein said connector element is composed of an inextensible, flexible string member disposed to spirally extend through said soft strip member, and hard rod members arranged inside the spiral of said flexible string member.
Claim 9
Dependent Claim
43 words
A flexible hose as set forth in claim 2, wherein said connector element is composed of an inextensible, flexible string member disposed to spirally extend through said soft strip member, and hard rod members arranged inside the spiral of said flexible string member.
Claim 10
Dependent Claim
43 words
A flexible hose as set forth in claim 3, wherein said connector element is composed of an inextensible, flexible string member disposed to spirally extend through said soft strip member, and hard rod members arranged inside the spiral of said flexible string member.
Claim 11
Dependent Claim
17 words
A flexible hose as set forth in claim 7 wherein said flexible string member is vinylon yarn.
Claim 12
Dependent Claim
17 words
A flexible hose as set forth in claim 7 wherein said flexible string member is nylon yarn.
Claim 13
Dependent Claim
25 words
A flexible hose as set forth in claim 7 wherein said hard rod members are formed of the same material as said hard strip member.
Claim 14
Dependent Claim
17 words
A flexible hose as set forth in claim 1 wherein said soft strip member is soft resin.
Claim 15
Dependent Claim
16 words
A flexible hose as set forth in claim 13 wherein said soft resin is vulcanized rubber.
Claim 16
Dependent Claim
18 words
A flexible hose as set forth in claim 1 wherein said hard strip member is hard synthetic resin.
Claim 17
Dependent Claim
16 words
A flexible hose as set forth in claim 15 wherein said hard synthetic resin is polyethylene.
Claim 18
Dependent Claim
16 words
A flexible hose as set forth in claim 15 wherein said hard synthetic resin is polypropylene.
References Cited (Backward Citations)
US3112771A
Cited
US3885594A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1989-05-05 | 1989-11-04 | 1990-05-06 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-05-05 | 1993-11-04 | 1994-05-06 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-05-05 | 1997-11-04 | 1998-05-06 | $7700.00 | Window Closed / Lapsed |