US3909412A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Roof drain arrangement
Assignee: Johns Manville Corp
•
Filing: 1974-07-22
•
Granted: 1975-09-30
•
Expires: 1994-07-22
Abstract
Abstract A roof drain arrangement for use in a roofing system including a horizontal roof deck and a built-up roof thereon is disclosed herein. The arrangement includes a vertical roof deck connector, a tubular drain pipe connector, and a vertically extending and vertically adjustable drain tube. The arrangement also includes a strainer located over and around the top end of the drain tube.
Inventors
- 👤 Francis Joseph Patry
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-30 06:44
CPC Classifications
E; E04; E04D; E04D13/00; E04D13/04; E04D13/0404; E04D13/0409; E04D2013/0413; E04D2013/0436; E04D2013/044
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
134 words
IN A ROOFING SYSTEM INCLUDING A HORIZONTAL ROOF DECK AND A BUILT-UP ROOF THEREON, A ROOF DRAIN ARRANGEMENT COMPRISING A. A VERTICALLY EXTENDING TUBULAR DECK CONNECTOR EXTENDING DOWNWARDLY FROM THE TOP SURFACE OF SAID DECK THROUGH AN OPENING THEREIN, SAID TUBULAR DECK CONNECTOR INCLUDNG HORIZONTAL FLANGE MEANS LOCATED AT ITS TOP END FASTENED TO THE TOP SURFACE OF SAID DECK, B. A TUBULAR DRAIN PIPE CONNECTOR HAVING A TOP VERTICALLY EXTENDING END PORTION LOCATED CONCENTRICALLY WITHIN AT LEAST A PORTION OF SAID TUBULAR DECK CONNECTOR AND FIXEDLY CONNECTED WITH AN INTERNAL CIRCUMFERENTIAL SURFACE THEREOF, SAID TUBULAR DRAIN PIPE CONNECTOR EXTENDING OUT THE BOTTOM END OF SAID TUBULAR DECK CONNECTOR, C. A VERTICALLY EXTENDING TUBULAR DRAIN MEMBER HAVING A BOTTOM PORTION LOCATED CONCENTRICALLY WITHIN SAID TOP PORTION OF SID TUBULAR DRAIN PIPE CONNECTOR, SAID TUBULAR
Claim 2
Dependent Claim
134 words
IN A ROOFING SYSTEM INCLUDING A HORIZONTAL ROOF DECK AND A BUILT-UP ROOF THEREON, A ROOF DRAIN ARRANGEMENT COMPRISING A. A VERTICALLY EXTENDING TUBULAR DECK CONNECTOR EXTENDING DOWNWARDLY FROM THE TOP SURFACE OF SAID DECK THROUGH AN OPENING THEREIN, SAID TUBULAR DECK CONNECTOR INCLUDNG HORIZONTAL FLANGE MEANS LOCATED AT ITS TOP END FASTENED TO THE TOP SURFACE OF SAID DECK, B. A TUBULAR DRAIN PIPE CONNECTOR HAVING A TOP VERTICALLY EXTENDING END PORTION LOCATED CONCENTRICALLY WITHIN AT LEAST A PORTION OF SAID TUBULAR DECK CONNECTOR AND FIXEDLY CONNECTED WITH AN INTERNAL CIRCUMFERENTIAL SURFACE THEREOF, SAID TUBULAR DRAIN PIPE CONNECTOR EXTENDING OUT THE BOTTOM END OF SAID TUBULAR DECK CONNECTOR, C. A VERTICALLY EXTENDING TUBULAR DRAIN MEMBER HAVING A BOTTOM PORTION LOCATED CONCENTRICALLY WITHIN SAID TOP PORTION OF SID TUBULAR DRAIN PIPE CONNECTOR, SAID TUBULAR
Claim 3
Dependent Claim
32 words
An arrangement according to claim 1 wherein said tubular drain pipe connector is constructed of a flexible material and wherein said resilient means is integrally formed with said tubular drain pipe connector.
Claim 4
Dependent Claim
49 words
An arrangement according to claim 2 wherein said resilient means comprises at least one resilient ring concentric with said tubular drain pipe connector and extending into said drain pipe connector, said ring having an axial thickness which decreases in the direction of the axis of said drain pipe connector.
Claim 5
Dependent Claim
17 words
An arrangement according to claim 3 wherein said tubular drain pipe connector includes a longitudinally bellowed section.
Claim 6
Dependent Claim
41 words
An arrangement according to claim 1 wherein the horizontal flange means of said tubular drain member includes an integrally formed raised section extending completely around said strainer, said raised section comprising discontinuous segments defining openings therebetween for the passage of water.
Claim 7
Dependent Claim
42 words
An arrangement according to claim 1 including hook means fixedly connected with the flange means of said tubular drain member and interlocked with said strainer for holding said strainer in place over and around the top end of said tubular drain member.
Claim 8
Dependent Claim
23 words
An arrangement according to claim 1 wherein said flange means of said drain member rests against said built-up roof in an unfastened manner.
Claim 9
Dependent Claim
39 words
An arrangement according to claim 2 wherein said resilient means comprises at least one resilient ring concentric with said tubular drain pipe connector, said ring forming a watertight seal between said drain pipe connector and said tubular drain member.
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) | 1978-09-29 | 1979-03-31 | 1979-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-29 | 1983-03-31 | 1983-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-29 | 1987-03-31 | 1987-09-30 | $7700.00 | Window Closed / Lapsed |