US951795A - Strainer for sewer-traps. - Google Patents

Strainer for sewer-traps. Download PDF

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Publication number
US951795A
US951795A US1909484409A US951795A US 951795 A US951795 A US 951795A US 1909484409 A US1909484409 A US 1909484409A US 951795 A US951795 A US 951795A
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United States
Prior art keywords
strainer
traps
sewer
flange
cylinder
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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Inventor
Louis Berwanger
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Louis Berwanger
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Publication date
Application filed by Louis Berwanger filed Critical Louis Berwanger
Priority to US1909484409 priority Critical patent/US951795A/en
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Publication of US951795A publication Critical patent/US951795A/en
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Application status is Expired - Lifetime legal-status Critical

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    • EFIXED CONSTRUCTIONS
    • E03WATER SUPPLY; SEWERAGE
    • E03CDOMESTIC PLUMBING INSTALLATIONS FOR FRESH WATER OR WASTE WATER; SINKS
    • E03C1/00Domestic plumbing installations for fresh water or waste water; Sinks
    • E03C1/12Plumbing installations for waste water; Basins or fountains connected thereto; Sinks
    • E03C1/26Object-catching inserts or similar devices for waste pipes or outlets
    • E03C1/264Separate sieves or similar object-catching inserts
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T137/00Fluid handling
    • Y10T137/4456With liquid valves or liquid trap seals
    • Y10T137/4463Liquid seal in liquid flow line; flow liquid forms seal
    • Y10T137/4546Downward partition encircles projecting outlet

Description

L. BERWANGER.

STRAINBR FOR SEWER TRAPS. APPLICATION FILED MAR.19,1909.

951,795. 4 Patented Mar. 15, 1910.

INVENTOE LOU/6 BEEN/ANGER ANDREW B, GRAHAM (:0w PHOTO-LITHOGRAPHERS, WASHINGTON. u u.

LOUIS BERWANGER, on em. Louis, MISSOURI.

STRAINER FOR SEWER-TEAPS.

canvas.

Specification of Letters Patent.

Patented Mar. 15, 191%.

Application filed March 19, 1909. Serial No. 484,409.

To all whom it may concern:

Be it known that I, LOUIs-BERWANGER, a citizen of the United States, residing at St. Louis, Missouri, have invented a certain new and useful Improvement in Strainers for Sewer-Traps, of which the following is a full, clear, and exact description, such as will enable others skilled in the art to which it appertains to make and use the same, reference being had to the accompanying drawings, forming part of this specification, in which Figure 1 is a vertical sectional View through a sewer trap provided with my improved strainer. Fig. 2 is a detail view of the strainer.

This invention relates to a new and useful improvement in strainers for sewer traps, the object being to provide a trap with a strainer which, when introduced into position, cannot be removed except by the use of appropriate tools.

In the drawings I have illustrated an ordinary bell trap in which 1 indicates a casting having a bowl 2, above and below the bottom of which extends a cylinder 3, constituting a waste-pipe terminal, the lower portion of said cylinder being designed to enter the upper end of the waste-pipe.

4 indicates a removable strainer having a bell 5 secured to its under side, which bell extends around and below the upper edge of cylinder 3 constituting a water seal or trap which permits water, entering the bowl 2, to overflow into the cylinder 3, but prevents gases from the waste pipe from escaping through the water seal thus provided, into the bowl 2.

The trap above described is of well known construction, and is largely in use, particularly in area ways, basements, laundries, and other indoor waste pipe openings.

Frequently, where bell traps as above described are used, such, for instance, as in laundries, where large volumes of water are to be carried ofl", the strainer 4 to which the bell 5 is connected, is removed so as to give free access to the cylinder 3; the water will thus be conducted off more quickly. Sometimes, stockings, rags, or other articles not intended to enter the waste pipe, will be carried by the flow of water into the cylinder 3 with the result that the waste pipe is choked. These accidents are rendered possible by the removal of the strainer.

My invention contemplates the use of a strainer which is removable only by the use of special tools, which strainer may be inserted in the cylinder 3. My invention, therefore, is capable of being used in connection with existing forms of bell traps, and my improved strainer can readily be introduced into position and used in bell traps which are installed and in operation.

6 indicates a strainer having a marginal flange 7 at whose upper edge is a shoulder designed to rest upon the upper edge of cylinder 3.

8 are yielding jaws secured to the flange 7 and whose lower ends are bent or flared outwardly so as to engage under the lower end of cylinder 3. When my improved strainer is inserted in position the jaws 8 are sprung inwardly-s0 as to pass through the cylinder 3, the strainer being then forced home, said home position being determined when the outwardly bent ends of the jaws engage the lower end of cylinder 3. When the parts are in this position, which is shown in Fig. 1, it is possible to remove the strainer from above only by the use of a special tool, preferably one in the form of a spanner wrench having hooks on its two aws which pass through perforations in opposite sides of the strainer. The jaws 8 are strong enough to hold the strainer in position and prevent its removal by the application of ordinary power. Furthermore, there are no hand-or finger-holds by which a person can remove the strainer.

By the use of my improvement, it is practically impossible for a person not provided with the proper tools to remove the strainer 7 and consequently the strainer l and its bell 5 can be removed to permit the free entry of water into the bowl 2, but no particles of such size as would tend to choke the waste pipe can enter the cylinder 3.

I am aware that minor changes in the construction, arrangement and combination of the several parts of my device can be made and substituted for those herein shown and described, without in the least departing from the nature and principle of my invention.

Having thus described my invention, what I claim is:

1. The herein-described strainer for sewer traps, comprising a perforated strainer, a flange depending from the under side of the strainer, there being a shoulder between said flange and the edge of the strainer, and

yieldingjaws carried by and depending from the flange, the lower ends of which jaws are bent outwardly.

2. The herein-described strainer for sewer traps, comprising a perforated plate, an annular flange depending from the under side thereof, and a pair of resilient jaws depending from said flange.

3. The herein-described strainer for sewer traps, comprising a perforated plate, an annular flange on the under side of said plate, a pair of oppositely disposed yielding jaws depending from said flange, and the lower ends of which jaws are bent out-ward.

4. The herein-described strainer for sewer traps comprising a perforated plate, a flange fixed to the under side of said plate and depending therefrom, which flange is arranged a short. distance inside the edge of said plate and a pair of yielding jaws carried by and depending from the flange.

5. The herein-described strainer for sewer traps comprising a perforated plate, a flange fixed to the under side of said plate and de pending therefrom, which flange is arranged a short distance inside the edge of said plate, a pair of yielding jaws carried by and depending from the flange, and the lower ends of which jaws are bent outward.

In testimony whereof I hereunto affix my signature in the presence of two Witnesses, this 17th day of March, 1909.

LOUIS BERXVANGER.

Witnesses F. R. CORNWALL, LENORE CLARK.

US1909484409 1909-03-19 1909-03-19 Strainer for sewer-traps. Expired - Lifetime US951795A (en)

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Cited By (13)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622739A (en) * 1946-02-28 1952-12-23 Zander & Ingestroem Filter nozzle
US4463461A (en) * 1982-01-19 1984-08-07 Viplex-Plastics B.V. Discharge pit having a water trap
US4922948A (en) * 1989-06-01 1990-05-08 Willem Van Dijk Floor drain and trap
US5799339A (en) * 1996-10-17 1998-09-01 American Products Safety cover for spa suction drain
US6154898A (en) * 1999-05-19 2000-12-05 Wcm Industries, Inc. Wastewater drain control for fluid compartments
US6418569B1 (en) * 1998-04-03 2002-07-16 Rodney Paul Knight Waste outlet
US20080022455A1 (en) * 2006-07-28 2008-01-31 Mcalpine James Kenneth Waste Outlet
US20110046583A1 (en) * 2009-08-24 2011-02-24 Jefferson Myron Contraband retrieval device
US20130174921A1 (en) * 2011-11-18 2013-07-11 Schluter Systems L.P. Drain system with odor trap and related methods
FR3000970A1 (en) * 2013-01-16 2014-07-18 Patrick Herluc Hair filter for filtering hair in discharge mouth of e.g. wash-basin, has identical bent legs with teeth provided at ends of legs to cling hair, where filter is U-shaped and provided with hole at center of base of filter
WO2018050405A1 (en) * 2016-09-16 2018-03-22 Siemens Aktiengesellschaft Drain sieve for a washbasin
US10077546B2 (en) 2016-03-31 2018-09-18 Mcaplpine & Co. Ltd. Cartridge for a urinal outlet
US10337179B2 (en) 2016-04-26 2019-07-02 Mcalpine & Co. Ltd. Flood prevention apparatus

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2622739A (en) * 1946-02-28 1952-12-23 Zander & Ingestroem Filter nozzle
US4463461A (en) * 1982-01-19 1984-08-07 Viplex-Plastics B.V. Discharge pit having a water trap
US4922948A (en) * 1989-06-01 1990-05-08 Willem Van Dijk Floor drain and trap
US5799339A (en) * 1996-10-17 1998-09-01 American Products Safety cover for spa suction drain
US6418569B1 (en) * 1998-04-03 2002-07-16 Rodney Paul Knight Waste outlet
US6154898A (en) * 1999-05-19 2000-12-05 Wcm Industries, Inc. Wastewater drain control for fluid compartments
US20080022455A1 (en) * 2006-07-28 2008-01-31 Mcalpine James Kenneth Waste Outlet
US20110046583A1 (en) * 2009-08-24 2011-02-24 Jefferson Myron Contraband retrieval device
US8257329B2 (en) * 2009-08-24 2012-09-04 Jefferson Myron Contraband retrieval device
US20130174921A1 (en) * 2011-11-18 2013-07-11 Schluter Systems L.P. Drain system with odor trap and related methods
FR3000970A1 (en) * 2013-01-16 2014-07-18 Patrick Herluc Hair filter for filtering hair in discharge mouth of e.g. wash-basin, has identical bent legs with teeth provided at ends of legs to cling hair, where filter is U-shaped and provided with hole at center of base of filter
US10077546B2 (en) 2016-03-31 2018-09-18 Mcaplpine & Co. Ltd. Cartridge for a urinal outlet
US10337179B2 (en) 2016-04-26 2019-07-02 Mcalpine & Co. Ltd. Flood prevention apparatus
WO2018050405A1 (en) * 2016-09-16 2018-03-22 Siemens Aktiengesellschaft Drain sieve for a washbasin
RU191529U1 (en) * 2016-09-16 2019-08-12 Сименс Мобилити Гмбх Sink with drainage grille
RU191876U1 (en) * 2016-09-16 2019-08-26 Сименс Мобилити Гмбх Drain sink grille

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