US4857371A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method of making an adhesive construction for articles and said articles
Assignee: Morgan Adhesives Co
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Filing: 1987-03-20
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Granted: 1989-08-15
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Expires: 2007-03-20
Abstract
Abstract This invention supplies an adhesive construction for insulation, preferably pipe insulation, having at least one coat of adhesive on at least a part of a face of the slit with a release member to keep the adhesive from adhering to the second face and a method of making the same article.
Inventors
- 👤 Jack M. McClintock
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-05 11:31
CPC Classifications
B; B29; B29D; B29D23/00; B29D23/001; B29K; B29K2105/00; B29K2105/04; Y; Y10; Y10S; Y10S138/00; Y10S138/01; Y10S285/00; Y10S285/915; Y10T; Y10T428/00; Y10T428/13; Y10T428/1352; Y10T428/1376; Y10T428/139; Y10T428/1393; Y10T428/1397; Y10T428/14; Y10T428/19; Y10T428/192
Claims Analysis
Total Claims: 6
Claim 1
Independent Claim
94 words
An adhesive construction, on an elongated foamed pipe insulation having an elongated slit, that forms a first face and another face which fit in contact with each other unless held apart, an adhesive on at least one face held from adhesive contact with said other face by a release member positioned over said adhesive, said release member covering at least said adhesive and being capable of being pulled to move said release member off the adhesive to permit the two faces to make contact over a pipe and bond said faces in integral relationship.
Claim 2
Dependent Claim
94 words
An adhesive construction, on an elongated foamed pipe insulation having an elongated slit, that forms a first face and another face which fit in contact with each other unless held apart, an adhesive on at least one face held from adhesive contact with said other face by a release member positioned over said adhesive, said release member covering at least said adhesive and being capable of being pulled to move said release member off the adhesive to permit the two faces to make contact over a pipe and bond said faces in integral relationship.
Claim 3
Dependent Claim
14 words
The article of claim 1, wherein the article is an elongated integral skin-foamed article.
Claim 4
Dependent Claim
17 words
The article of claim 1, wherein the release member covers the adhesive and extends beyond said insulation.
Claim 5
Dependent Claim
42 words
The article of claim 1, wherein said release member has sufficient shape and stiffness to effect movement of the faces apart as said release member is pulled away to facilate an object to be placed in the space enclosed by said faces.
Claim 6
Dependent Claim
24 words
The article of claim 1, wherein the release member extends from said face a distance to provide a hand member that can be grasped.
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) | 1992-08-14 | 1993-02-13 | 1993-08-15 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1996-08-14 | 1997-02-13 | 1997-08-15 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2000-08-14 | 2001-02-13 | 2001-08-15 | $7700.00 | Window Closed / Lapsed |