US470698A - Plumber s fastening-strap for lead pipes - Google Patents

Plumber s fastening-strap for lead pipes Download PDF

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US470698A
US470698A US470698DA US470698A US 470698 A US470698 A US 470698A US 470698D A US470698D A US 470698DA US 470698 A US470698 A US 470698A
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strap
fastening
pipe
lugs
plumber
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    • FMECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
    • F16ENGINEERING ELEMENTS AND UNITS; GENERAL MEASURES FOR PRODUCING AND MAINTAINING EFFECTIVE FUNCTIONING OF MACHINES OR INSTALLATIONS; THERMAL INSULATION IN GENERAL
    • F16LPIPES; JOINTS OR FITTINGS FOR PIPES; SUPPORTS FOR PIPES, CABLES OR PROTECTIVE TUBING; MEANS FOR THERMAL INSULATION IN GENERAL
    • F16L3/00Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets
    • F16L3/08Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing
    • F16L3/12Supports for pipes, cables or protective tubing, e.g. hangers, holders, clamps, cleats, clips, brackets substantially surrounding the pipe, cable or protective tubing comprising a member substantially surrounding the pipe, cable or protective tubing

Description

(No Model.)

J. G. MURDOOK. PLUMBBRS FASTENING STRAP FOR LEAD PIPES.

No; 470,698. Patented Mar. 15, 1892;

1 E 3, L 4 ll 2 0i Mama 0 K c n-uc ml ot v I 331 4 4 Gno e I UNITED STATES PATENT OFFICE.

JOHN G..MURDOCK, OF CINCINNATI, OHIO.

SPECIFICATION forming part of Letters Patent No. 470,698, dated 1890. Serial No. 376,415. (No model.)

Application filed December 22,

To all whom it may concern.-

Be it known that I, JOHN G. MURDOCK, a citizen of the United States, and a resident of Cincinnati, in the county 7 of Hamilton and State of Ohio, have invented certain new and useful Improvements in Plumbers Fastening-Straps for Lead Pipes, of which the following is a specification.

The object of my invention is to provide a cheap, neat-appearing, and secure fasteningstrap for lead pipes used for water-supply in buildings. The usual method now in use for fastening these pipes is to solder lead tacks or lugs to the pipe and screw these tags to the wall or other support. These are expensive and present an unsightly appearance. Metal hooks have also been used for the same purpose; but as the pipes are.liable to expansion and from water-hammer when the supply is turned on metal hooks have been generally dispensed with, because they cut into and injure the pipe, as they allow for no play of the pipe within them. These defects are overcome in my invention, which will be first fully described in connection with the accompanying drawings, and will then be particularly referred to and pointed out in the claims.

Referring to the drawings, in which like parts are indicated by similar reference-letters wherever they occur throughout the various views, Figure 1 is an elevation of part of a pipe secured to its support by my fastening-strap. Fig. 2 is a transverse section through line sow, Fig. 1. Fig. 3 is an end view of the elastic cushion and metalstrap detached from the pipe. Fig. 4 is an end view of the metal strap and the elastic cushion detached from each other. Fig. 5 is a vertical transverse section of the metal strap.

Referring to the parts, A is a U-shaped strap having outwardly-projecting lugs a. and a downwardly-projecting flange a surrounding both edges of the strap and lugs. The

. lugs a are perforated and the surplus metal pressed or cast inwardly, forming downward tubular projections 0. the lower ends of which are on the same level with the flanges projecting downward from the lugs a for the purpose of forming a firmbearing upon the wood and also a countersink upon the upper surcontraction (especially when used as hot-water pipes) and are also subject to jar arch 15, I892.

face of the lugs for a cone-headed screw, it desired. The tubular projections a prevent the center portion of the lugs from being pressed downward and furnish a bearing around the screw. This strap A is stamped up from sheet metal, preferably brass.

B is an elastic or yielding strap, preferably of vulcanized rubber or lead. It is made to fit within the flanges of the metal strap A, the inner circle of the rubber projecting below the flanges, so as to prevent them from hearing upon the pipe 0 and the laterally-projecting lugs b, which, come flush with the flanges and are perforated to pass the tubular projections which bear firmly upon the backing or support O. Thelower portion of the clastic strap is carried around so as to partially pass under the pipe, as seen at b.

To apply my device for use the elastic strap is first placed over the pipe, the metal strap placed over it, and the screws driven to place. The pipe is thus firmly held in position with elastic pressure, the cushion B protecting it from injury, while holding it with sufficient pressure to prevent its turning or sliding within its fastenings. It will be seen that the flanged metal strap incases the elastic cushion B, and when the screws are driven in prevent it expanding in the direction of the length of the pipe, thus compressing it around and partially under the surface of the pipe. So constructed it is more effective and much neater in appearance than if the incasing side flanges were omitted. The emission of these flanges, however, would be but an inferior modification of my invention, which I should regard as fairly within the spirit and scope of my invention.

The pressure of the rubber packing need not be great, as I have discovered that rubber has the quality of adhering very closely to lead, and even if the rubber is but slightly whereby the pipe is firmly-clamped and held with elastic pressure.

2. In combination, substantially as herein- 1 before set forth, in a fastening-strap for lead 5 pipes, of the U-shaped strap A, having laterally-projecting lugs a and incasing flanges a, the whole formed of sheet metal, and the clastic cushion B, arranged to fit within the flanges and having a circular opening to fit partially 10 around the described.

3. The combination, in a fastening device for lead pines. ofthe sheet-metal strap having pipe, substantially as shown and laterally-proj ectin g perforated lugs aand surrounding fianges a, and downwardly-projectr 5 ing tubular extensions a, with the cushion B, having circular portion extending below the strap portion of the'part A, and lateraly-projecting perforated lugs 11 and inwardly-projecting portion b, combined and arranged 20 substantially as and for the purpose set forth.

JOHN G. MURDOCK. \Vitnesses:

Gno. J. MURRAY, FRANK S. DAVIS..

US470698D Plumber s fastening-strap for lead pipes Expired - Lifetime US470698A (en)

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Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438523A (en) * 1944-08-21 1948-03-30 Tinnerman Products Inc Fastening device
US2692746A (en) * 1948-08-06 1954-10-26 Thomas Associates Supporting clip
US2824270A (en) * 1954-03-15 1958-02-18 Honeywell Regulator Co Tank unit mounting means
US2901200A (en) * 1956-04-23 1959-08-25 Orville A Voeks Electric cable staple
US3266761A (en) * 1963-09-18 1966-08-16 Ellsworth T Walton Pipe hanger and apparatus and method of making same
US4338707A (en) * 1980-03-10 1982-07-13 Ta Mfg. Corp. Clamp
US4379536A (en) * 1980-03-11 1983-04-12 Kojima Puresu Kogyo Kabushiki Kaisha Means for retaining a rod-shaped material
US4543998A (en) * 1983-11-17 1985-10-01 Regal International, Inc. Protector clamp for well control lines
US5984243A (en) * 1997-09-09 1999-11-16 Thomas & Betts International, Inc. Pipe cushion
US20090072099A1 (en) * 2007-09-19 2009-03-19 Trotter Jason K Clamp assembly

Cited By (10)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2438523A (en) * 1944-08-21 1948-03-30 Tinnerman Products Inc Fastening device
US2692746A (en) * 1948-08-06 1954-10-26 Thomas Associates Supporting clip
US2824270A (en) * 1954-03-15 1958-02-18 Honeywell Regulator Co Tank unit mounting means
US2901200A (en) * 1956-04-23 1959-08-25 Orville A Voeks Electric cable staple
US3266761A (en) * 1963-09-18 1966-08-16 Ellsworth T Walton Pipe hanger and apparatus and method of making same
US4338707A (en) * 1980-03-10 1982-07-13 Ta Mfg. Corp. Clamp
US4379536A (en) * 1980-03-11 1983-04-12 Kojima Puresu Kogyo Kabushiki Kaisha Means for retaining a rod-shaped material
US4543998A (en) * 1983-11-17 1985-10-01 Regal International, Inc. Protector clamp for well control lines
US5984243A (en) * 1997-09-09 1999-11-16 Thomas & Betts International, Inc. Pipe cushion
US20090072099A1 (en) * 2007-09-19 2009-03-19 Trotter Jason K Clamp assembly

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