US4584814A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for fastening an insulation module to a surface
Assignee: Johns Manville Corp
•
Filing: 1984-02-21
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Granted: 1986-04-29
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Expires: 2004-02-21
Abstract
Abstract A method and apparatus for fastening an insulation module to a furnace wall. A stud member is welded onto the furnace wall. A pilot tool is attached to the stud member. An insulation module is impaled over the pilot tool and stud member. A nut is inserted onto the pilot member and threadably engages the stud member to secure the insulation module to the surface.
Inventors
- 👤 Mack A. Hounsel
- 👤 Anthony E. Cimochowski
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-08 02:47
CPC Classifications
F; F27; F27D; F27D1/00; F27D1/0003; F27D1/0006; F27D1/0009; F27D1/0013; F27D1/14; F27D1/141
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
90 words
Method for fastening an insulation module against a surface comprising the steps of: joining a first end of a stud member to said surface; connecting a pilot tool to a second end of said stud member opposite to said first end; impaling said insulation module onto said pilot tool and said stud member; passing an engaging member over said pilot tool and into contact with said stud member; and attaching said engaging member to said stud member and against said module so as to secure said module against said surface.
Claim 2
Dependent Claim
90 words
Method for fastening an insulation module against a surface comprising the steps of: joining a first end of a stud member to said surface; connecting a pilot tool to a second end of said stud member opposite to said first end; impaling said insulation module onto said pilot tool and said stud member; passing an engaging member over said pilot tool and into contact with said stud member; and attaching said engaging member to said stud member and against said module so as to secure said module against said surface.
Claim 3
Dependent Claim
18 words
Method according to claim 1 wherein said step of joining includes welding said first end to said surface.
Claim 4
Dependent Claim
20 words
Method according to claim 1 wherein said step of connecting includes threadably connecting said pilot tool to said second end.
Claim 5
Dependent Claim
20 words
Method according to claim 1 wherein said step of attaching includes threadably attaching said engaging member to said stud member.
Claim 6
Dependent Claim
31 words
Method according to claim 1 further including, after said step of impaling, the step of wedging aside a portion of insulation material adjacent to said stud member and said pilot tool.
Claim 7
Dependent Claim
21 words
Method according to claim 5 further including the step of inserting a plug of insulating material after said step of attaching.
Claim 8
Dependent Claim
32 words
Method according to claim 1 wherein said stud member includes a first threaded end and a second threaded end, said first threaded end being larger in diameter than said second threaded end.
Claim 9
Dependent Claim
33 words
Method according to claim 7 wherein the aforesaid pilot tool is threadably engaged with said second threaded end, said pilot tool having a diameter less than the diameter of said first threaded end.
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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) | 1989-04-28 | 1989-10-28 | 1990-04-29 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1993-04-28 | 1993-10-28 | 1994-04-29 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1997-04-28 | 1997-10-28 | 1998-04-29 | $7700.00 | Window Closed / Lapsed |