US899291A - Vent-pipe attachment. - Google Patents

Vent-pipe attachment. Download PDF

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Publication number
US899291A
US899291A US38090307A US1907380903A US899291A US 899291 A US899291 A US 899291A US 38090307 A US38090307 A US 38090307A US 1907380903 A US1907380903 A US 1907380903A US 899291 A US899291 A US 899291A
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United States
Prior art keywords
vent pipe
vent
guard
hub
roof
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Expired - Lifetime
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US38090307A
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John H Brown
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    • F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16—ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16L—PIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L55/00—Devices or appurtenances for use in, or in connection with, pipes or pipe systems
    • F16L55/10—Means for stopping flow in pipes or hoses
    • F16L55/12—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ
    • F16L55/128—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose
    • F16L55/136—Means for stopping flow in pipes or hoses by introducing into the pipe a member expandable in situ introduced axially into the pipe or hose the closure device being a plug fixed by radially expanding or deforming a split ring, hooks or the like

Definitions

  • the object of the invention is to provide a new and improved temporary attachment for the upper end of the vent pipe of a building, to guard against leakage between the roof collar and the soil pipe when testing the vent pipe with water, and to allow of conveniently placing the attachment in position prior to the test and to allow quick removal of the attachment after the test is made.
  • Figure 1 is a side elevation of the improvement as applied;
  • Fig. 2 is a sectional side elevation of the same;
  • Fig. 3 is a plan view of the same;
  • Fig. 4 is an inverted plan view of the same on the line 44 of Fig. 2, and
  • Fig. 5 is a reduced side elevation of the improvement as applied.
  • the vent pipe A projects with its upper end above the roof A of the building and is encircled by a roof collar A preferably of frusto-conical shape, and having its base provided with a flange A nailed to the roof boards and covered by the shingles or other roof covering.
  • the apex end A of the roof collar A is bent inward and downward into the upper end of the vent pipe A and crimped to the inner surface thereof to form a firm connection with the vent pipe A.
  • a guard or shield B On the upper ends of the vent pipe A and roof collar A is removably held a guard or shield B, of inverted dish shape and made of rubber or other elastic material, the guard having a hub B fitting inside of the vent pipe A, and the crimped portion A, so that the annular guard or shield B projects from the vent pipe A in a downward and outward direction, to cause the overflow of water forced up through the vent pipe A to flow through the hub B and over the guard, with a view to deflect the overflow of water from the side of the vent pipe A and roof collar A thereby preventing leakage of the water through the roof of the building.
  • the following device In order to securely fasten the guard B in place on the upper end of the vent pipe A, the following device is provided: The bottom and top of the hub B of the guard or shield B are engaged by skeleton washers C and D, of which the washer C is secured to the lower end of a screw rod E, which extends upwardly and loosely through the top washer D, and on the screw rod E screws a wing nut F and against the top of the washer D, so as to force the same downward with a view to cause the two washers C and D to compress the hub B. N 0W in compressing the hub B, the same is spread.
  • vent pipe A has to be test-ed to determine whether the vent pipe is obstructed or unobstructed, and for this purpose water is forced up through the vent pipe A, and this water can readily pass by way of the skeleton washers C and D and the hub B to the top of the guard or shield B, to flow down the same and be deflected from the vent pipe A, thus preventing leakage of the overflow water through the roof of the building at the joint of the vent pipe A with the roof of the building.
  • the plumber or other person unscrew the wing nut F to relieve the compression on the hub B, so that the device can be readily removed from the upper end of the vent pipe A.
  • vent pipe attachment is only temporary, and it can be readily placed in position on the vent pipe prior to the test, and removed from the vent pipe after the test is made.
  • vent pipe extendin through the roof of a building, a roof co lar surrounding the projecting end of the vent pipe and having a base for attachment to the roof, the upper end of the roof collar being crimped into the upper end of the vent pipe, and a temporary overflow guard having a compressible hub fitting in the vent pipe, and means for compressing said hub.
  • a temporary attachment for vent pipes comprising an overflow guard at the upper end of the vent pipe, and means for removably attaching the guard to the said vent 1 e.
  • a temporary attachment for vent pipes comprising a guard having a central opening and arranged on the upper end of the said vent pipe for deflecting the overflow of the water forced up the said vent pipe during the testing thereof.
  • An attachment for vent pipes on buildings comprising an annular overflow guard having a central opening and removably held on the upper end of the vent pipe and curved outwardly and downwardly to carry off the overflow Water forced up thevent pipe during the testing of the latter.
  • a temporary attachment for vent pipes of buildings comprising an annular guard having a compressible hub fitting into the inside of the upper end of the vent pipe,
  • a tem orary attachment for vent pipes of bui dings comprising an annular guard having a compressible hub fitting into the inside of the upper end of the vent pipe, washers engaging the top and bottom of the said hub, a screw rod extending loosely through the upper washer, the lower washer being secured on the screw rod, and a nut screwing on the said screw rod and against the said upper washer.
  • a temporary attachment for vent pipes comprising an inverted dish-shaped guard having a hub adapted to fit in a vent pipe, the Whole being formed of elastic material, and means for securing the guard to a vent pipe.

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  • Engineering & Computer Science (AREA)
  • General Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Forms Removed On Construction Sites Or Auxiliary Members Thereof (AREA)

Description

I. H. BROWN. VENT PIPE ATTACHMENT APPLIOATION nun mm: 26, 1907.
899,291. Patented Sept 22,1908.
N VE N TOR 0]; n zfroava A Wok/v5 rs:
JOHN H. BROWN, OF KEENE, NEW HAMPSHIRE.
VENT-PIPE ATTACHMENT.
Specification of Letters Patent.
Patented Sept. 22, 1908.
Application filed June 26, 1907. Serial No. 380,903.
To all whom it may concern:
Be it known that I, JOHN H. BROWN, a citizen of the'United States, and a resident of Keene, in the county of Cheshire and State of New Hampshire, have invented a new and Improved V ent-Pipe Attachment, of which the following is a full, clear, and exact description.
The object of the invention is to provide a new and improved temporary attachment for the upper end of the vent pipe of a building, to guard against leakage between the roof collar and the soil pipe when testing the vent pipe with water, and to allow of conveniently placing the attachment in position prior to the test and to allow quick removal of the attachment after the test is made.
The invention consists of novel features and parts and combinations of the same, which will be more fully described hereinafter and then pointed out in the claims.
A practical embodiment of the invention is represented in the accompanying drawings forming a part of this specification, in which similar characters of reference indicate corresponding parts in all the views.
Figure 1 is a side elevation of the improvement as applied; Fig. 2 is a sectional side elevation of the same; Fig. 3 is a plan view of the same; Fig. 4 is an inverted plan view of the same on the line 44 of Fig. 2, and Fig. 5 is a reduced side elevation of the improvement as applied.
The vent pipe A projects with its upper end above the roof A of the building and is encircled by a roof collar A preferably of frusto-conical shape, and having its base provided with a flange A nailed to the roof boards and covered by the shingles or other roof covering. The apex end A of the roof collar A is bent inward and downward into the upper end of the vent pipe A and crimped to the inner surface thereof to form a firm connection with the vent pipe A.
On the upper ends of the vent pipe A and roof collar A is removably held a guard or shield B, of inverted dish shape and made of rubber or other elastic material, the guard having a hub B fitting inside of the vent pipe A, and the crimped portion A, so that the annular guard or shield B projects from the vent pipe A in a downward and outward direction, to cause the overflow of water forced up through the vent pipe A to flow through the hub B and over the guard, with a view to deflect the overflow of water from the side of the vent pipe A and roof collar A thereby preventing leakage of the water through the roof of the building.
In order to securely fasten the guard B in place on the upper end of the vent pipe A, the following device is provided: The bottom and top of the hub B of the guard or shield B are engaged by skeleton washers C and D, of which the washer C is secured to the lower end of a screw rod E, which extends upwardly and loosely through the top washer D, and on the screw rod E screws a wing nut F and against the top of the washer D, so as to force the same downward with a view to cause the two washers C and D to compress the hub B. N 0W in compressing the hub B, the same is spread. outward and forced in firm contact with the inside of the vent pipe A and the crimped portion A", to securely clamp the guard B in position on the upper or outer end of the vent pipe A and roof collar A By the rubber hub B engaging both the vent pipe and the crimped portion A, the guard is securely held in place during the test.
It is understood that the vent pipe A has to be test-ed to determine whether the vent pipe is obstructed or unobstructed, and for this purpose water is forced up through the vent pipe A, and this water can readily pass by way of the skeleton washers C and D and the hub B to the top of the guard or shield B, to flow down the same and be deflected from the vent pipe A, thus preventing leakage of the overflow water through the roof of the building at the joint of the vent pipe A with the roof of the building. After the test has been made, it is only necessary for the plumber or other person to unscrew the wing nut F to relieve the compression on the hub B, so that the device can be readily removed from the upper end of the vent pipe A.
From the foregoing it will be seen that the vent pipe attachment is only temporary, and it can be readily placed in position on the vent pipe prior to the test, and removed from the vent pipe after the test is made.
Having thus described my invention, I claim as new and desire to secure by Letters Patent:
1. The combination of a vent pipe extendin through the roof of a building, a roof co lar surrounding the projecting end of the vent pipe and having a base for attachment to the roof, the upper end of the roof collar being crimped into the upper end of the vent pipe, and a temporary overflow guard having a compressible hub fitting in the vent pipe, and means for compressing said hub.
2. A temporary attachment for vent pipes, comprising an overflow guard at the upper end of the vent pipe, and means for removably attaching the guard to the said vent 1 e. P A temporary attachment for vent pipes, comprising a guard having a central opening and arranged on the upper end of the said vent pipe for deflecting the overflow of the water forced up the said vent pipe during the testing thereof.
4. An attachment for vent pipes on buildings, comprising an annular overflow guard having a central opening and removably held on the upper end of the vent pipe and curved outwardly and downwardly to carry off the overflow Water forced up thevent pipe during the testing of the latter.
5. A temporary attachment for vent pipes of buildings, comprising an annular guard having a compressible hub fitting into the inside of the upper end of the vent pipe,
and means for compressing the said hub to clampingly engage the hub with the inside of the vent pipe.
6 A tem orary attachment for vent pipes of bui dings, comprising an annular guard having a compressible hub fitting into the inside of the upper end of the vent pipe, washers engaging the top and bottom of the said hub, a screw rod extending loosely through the upper washer, the lower washer being secured on the screw rod, and a nut screwing on the said screw rod and against the said upper washer.
7. A temporary attachment for vent pipes, comprising an inverted dish-shaped guard having a hub adapted to fit in a vent pipe, the Whole being formed of elastic material, and means for securing the guard to a vent pipe.
- In testimonywhereof I have signed my name to this specification in the presence of two subscribing witnesses.
JOHN H. BROWN. Witnesses:
H.-C. BUTLER, VICTOR E. KING.
US38090307A 1907-06-26 1907-06-26 Vent-pipe attachment. Expired - Lifetime US899291A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2644610A (en) * 1950-10-24 1953-07-07 Worth H Work Air vent cap for oil drums
US5287892A (en) * 1993-03-19 1994-02-22 Sanderson Laddy P Insulating plug

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2644610A (en) * 1950-10-24 1953-07-07 Worth H Work Air vent cap for oil drums
US5287892A (en) * 1993-03-19 1994-02-22 Sanderson Laddy P Insulating plug

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