US5313019A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Closure assembly
Assignee: Commscope Connectivity Belgium BVBA
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Filing: 1992-12-02
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Granted: 1994-05-17
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Expires: 2012-12-02
Abstract
Abstract A method of environmentally protecting an elongate substrate with a cover and a sealing means comprising a sealing material having an elongation of at least 100% and a compression set at 70° C. of less than 30%, which comprises positioning the sealing means around a portion of the substrate and surrounding the substrate with the cover such that the sealing material provides a seal between the cover and the substrate.
Inventors
- 👤 Jacques H. F. Brusselmans
- 👤 Jean-Marie E. Nolf
- 👤 Amandus L. E. Pieck
- 👤 Alistair A. P. Sutherland
- 👤 Willy E. G. Tournel
- 👤 Lodewijk C. M. Van Noten
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 13:24
CPC Classifications
H; H02; H02G; H02G15/00; H02G15/08; H02G15/18; H02G15/1806; H02G15/1813; C; C08; C08L; C08L53/00; C08L53/02; C08L53/025; H01; H01R; H01R13/00; H01R13/46; H01R13/52; H01R13/5216; H01R4/00; H01R4/70; H02G15/013
Claims Analysis
Total Claims: 23
Claim 1
Independent Claim
109 words
A cable test comprising: (a) a substantially rigid portion: (b) a sealing material retained by the portion (a); the portion (a) comprising two end parts between which is positioned the sealing material and that can be moved towards one another thereby providing a compressive force on the sealing material, each end part comprising an inner part and one or more outer parts that in use lie around the inner part, a port for a cable being provided partly within the inner part and partly within the outer part the port thereby being formed into a port of substantially closed cross-section when the inner and outer parts are brought together.
Claim 2
Dependent Claim
109 words
A cable test comprising: (a) a substantially rigid portion: (b) a sealing material retained by the portion (a); the portion (a) comprising two end parts between which is positioned the sealing material and that can be moved towards one another thereby providing a compressive force on the sealing material, each end part comprising an inner part and one or more outer parts that in use lie around the inner part, a port for a cable being provided partly within the inner part and partly within the outer part the port thereby being formed into a port of substantially closed cross-section when the inner and outer parts are brought together.
Claim 3
Dependent Claim
23 words
A seal according to claim 1, in which the inner part of the portion (a) is substantially star-shaped or substantially cruciform in cross-section.
Claim 4
Dependent Claim
36 words
A seal according to claim 2, in which intersections of arms of the star or cross have a substantially semi-circular concave surface, and in which the outer part has a substantially circular port for a cable.
Claim 5
Dependent Claim
15 words
A seal according to claim 1, in which the port has a frusto-conical inner surface.
Claim 6
Dependent Claim
31 words
A seal according to claim 4, in which a said port in each end part has a frusto-conical inner surface, such surface of each port tapering towards the other end part.
Claim 7
Dependent Claim
17 words
A seal according to claim 4, in which the frusto-conical inner surface is formed by tapering fingers.
Claim 8
Dependent Claim
21 words
A seal according to claim 6, in which the tapering fingers serve as a variable-size retaining means for the sealing material.
Claim 9
Dependent Claim
25 words
A seal according to claim 1, in which the portion (a) includes two said outer parts that are hinged to close around said inner part.
Claim 10
Dependent Claim
20 words
A seal according to claim 1, which additionally comprises means for causing the end parts to move towards one other.
Claim 11
Dependent Claim
31 words
A seal according to claim 9, in which the means for causing the end parts to move towards one another comprises a spring that can maintain the sealing material under compression.
Claim 12
Dependent Claim
21 words
A seal according to claim 10, in which the spring is carried on a bolt that interconnects the two end parts.
Claim 13
Dependent Claim
14 words
A seal according to claim 1, in which the sealing material comprises a gel.
Claim 14
Dependent Claim
33 words
A cable splice case which comprises a seal according to claim 1, and a tubular housing for the splice, the seal being capable of sealing an annular space between a cable the housing.
Claim 15
Dependent Claim
47 words
A seal according to claim 1, wherein the sealing material has an elongation of at least 100% and a compression set at 70° C. of less than 30% and a dynamic storage modulus at 23° C. and at 1 Hz less than 10 7 dynes/cm 2 .
Claim 16
Dependent Claim
21 words
The seal according to claim 14 wherein the sealing material has a compression set at 70° C. of less than 15%.
Claim 17
Dependent Claim
17 words
The seal according to claim 14 wherein the sealing material has an elongation of at least 500%.
Claim 18
Dependent Claim
23 words
The seal according to claim 16 wherein the sealing material comprises a styrene ethylene butylene styrene block copolymer extended with a mineral oil.
Claim 19
Dependent Claim
14 words
The seal according to claim 17 wherein the sealing material additionally comprises a compatiblizer.
Claim 20
Dependent Claim
13 words
The seal according to claim 14 wherein the sealing material comprises a gel.
Claim 21
Dependent Claim
25 words
The seal according to claim 14 wherein the sealing material comprises a block copolymer extended with an oil, together with a polyphenylene oxide/polyamide resin blend.
Claim 22
Dependent Claim
65 words
The seal according to claim 1 wherein the sealing material has the following properties: Initial softening point 160°-180° C. Dynamic storage modulus 1.5×10 5 -2×10 5 Dynes/cm 2 (23° C., 1 Hz) Dynamic mechanical damping 0.15-0.4 (23° C., 1 Hz) Tensile strength 23oC less than 1.0 MPa Elongation greater than 1000% Compression set (70° C.) less than 10% Compression set (90° C.) less than 20%.
Claim 23
Dependent Claim
65 words
The seal according to claim 21 wherein the sealing material comprises (a) a block copolymer containing relatively hard blocks and relatively elastomeric blocks; (b) additional polymer or copolymer having at least partial compatability within a higher glass transition or softening temperature than the hard blocks of the block copolymer; and (c) an extender liquid which extends and softens the elastomeric block of said block copolymer.
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1997-05-16 | 1997-11-15 | 1998-05-17 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 2001-05-16 | 2001-11-15 | 2002-05-17 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2005-05-16 | 2005-11-15 | 2006-05-17 | $7700.00 | Window Closed / Lapsed |