US2366522A - Unit for drainage systems - Google Patents
Unit for drainage systems Download PDFInfo
- Publication number
- US2366522A US2366522A US465177A US46517742A US2366522A US 2366522 A US2366522 A US 2366522A US 465177 A US465177 A US 465177A US 46517742 A US46517742 A US 46517742A US 2366522 A US2366522 A US 2366522A
- Authority
- US
- United States
- Prior art keywords
- shield
- drain
- bed
- pipes
- pipe
- Prior art date
- 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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Classifications
-
- C—CHEMISTRY; METALLURGY
- C02—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F—TREATMENT OF WATER, WASTE WATER, SEWAGE, OR SLUDGE
- C02F3/00—Biological treatment of water, waste water, or sewage
- C02F3/02—Aerobic processes
- C02F3/04—Aerobic processes using trickle filters
- C02F3/043—Devices for distributing water over trickle filters
-
- E—FIXED CONSTRUCTIONS
- E02—HYDRAULIC ENGINEERING; FOUNDATIONS; SOIL SHIFTING
- E02B—HYDRAULIC ENGINEERING
- E02B11/00—Drainage of soil, e.g. for agricultural purposes
- E02B11/005—Drainage conduits
-
- Y—GENERAL 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
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W10/00—Technologies for wastewater treatment
- Y02W10/10—Biological treatment of water, waste water, or sewage
Definitions
- ⁇ (c1. 61-1o) t is a view taken on the lineIII-III of Fig. 2;
- My invention relates to units for drainage systems, including systems forwthe disposal of the ellluent water from septic tanks, grease traps etc., the invention ⁇ being suitable also for use in draining water from swampyground, after the manner of French drains. l
- drain tile sections In the draining of comparatively clear water from septic tanks andthe like, it is frequently conducted through drain ⁇ tile to ⁇ porous soil or gravel beds, to effect dissipation ofthe eiiluent water intothe soil.
- the drain tile sections have their ends spaced slightly apart to allow the water to leak between such ends, into the absorption bed, but 'the pipes ⁇ are embedded ⁇ in the gravelor the porous soil, and there is iniiltration of betweenthe ends of. the tile sections, so that ltrouble is ⁇ frequently encountered through clogging of the drain tile.
- One object of 1 my ⁇ invention ⁇ is to provide a 6 structure of the character referred to, wherein the drain pipes are supported in such manner that they will not become clogged by dirt ⁇ or gravel at the ⁇ absorption beds, and wherein there is no obstruction to free flow of Water fromthe pipes to the absorption beds.
- Another object of my invention is to provide ⁇ a system of the character referred to wherein I the parts can be made largely from conventional forms of sewer pipe and the like.
- Still another object of my invention is to prol vide a ⁇ drainage system with an improved manner for introducing chemicals for treating the liquid .passing therethrough, or for dissolving greasefwhichfmeans may also serveas ⁇ a convenient manner for effecting aeration, with supply of oxygen to the eiuent fromsepticvtanks
- a further object is to provide a means anda method of laying conduits of drain tile or sewer pipes in such manner that danger of tree roots the structureof Fig. 2; Fig ⁇ . 6 is a modied view ⁇ of one of the drain tilemembers of Fig. 1; Fig.
- l 7 is a perspective viewof a modication ofthe drain pipe and shield structure of Fig. 3;
- Fig. 8 is a side view of the drain pipe of Fig. 7;
- Fig. 9 showsanother modiiication of the structure of Fig. 1;
- Fig. 10 ⁇ shows still another form ofthe invention, in fragmentaryV plan view;
- Fig. 11 is ⁇ anrend view thereof partly in section, andFig.
- ⁇ 12 is a fragmentary perspective view showing three of the units of ⁇ Fig. l0 in assembled relation.
- FIGs. 1, 2 and ⁇ 3, II indicates a sewer or drain line leading from a septic tank or some other source, slightly sloping downward-y ly in the direction indicated by the arrow.
- This drain line II is ⁇ mounted in vertically-spaced rel lation to an absorption bed I2, which may be ⁇ of gravel, ⁇ broken stone, ,or simply a porous soil.
- Shield members I3 are placed upon the absorptionbed I2 and ⁇ may conveniently consist of ordinary sewer pipes split in half lengthwise thereof. Drainpipes I4 are supported within the shield members I3. To this end, the members I3 and ⁇ I4, while in aplastic or ⁇ green condition, can be pressed together land then red, so that they will, in effect, be fused together at I5, there ⁇ by aording vertical support for the drain pipesA ⁇ III.
- Thepipes I4,.whi1e green canhave onehalf of their hubs cut away, as indicated at I6,
- At least one ofthe shields I3 has a hole cut therein, and a pipe 20 extending upwardly therefrom, the pipe 20 having communcationthrough the shield, with the ⁇ space above the lter bed, either directly or through one of the pipes I3.
- This pipecan serve as a means ⁇ ⁇ for introducing chemicals, greasey solvents etc. to the lter bed,
- Figure 1 is a longitudinal sectional view through an absorption bed, with my invention n incorporated therewith;
- Fig. 2 is an enlarged view taken on ⁇ the linen-II of Fig. 1;
- the parts may be made of other materials such as concreteor metal. Also, unperforated drain pipes can be used,
- the pipes I4 may be per- 3 l5 will discharge laterally in one direction and the iorated on only one side, in which case one pipe succeeding pipe laterally inthe, opposite direction, the holes Il in the s'ucedir'ig pipe "being in the opposite side thereof.
- Iv show av somewhat, dii'iereiitflform'cf'shield and drain pipe ar,-
- the shield 23 mayV be of tai e1; ;ti1'e1-jsintahiey material, and is provided fwith fianigesgd thatfwill lafford ita rmer supdrtonanlabsorption bed.
- Thedrain pipe is 'si '[il'ar tothe drainv pipes
- Figs; 10, ⁇ 11 aridlZ show still another arrange- Lment.V
- inverted channel e1e ⁇ yL .ments 1I are employed.
- Thesernay suitably be ⁇ l ⁇ formedoiclayiue liners that are of rectangular form in cross section and split lengthwise while green, to formtWO C hannelsfrcmeach flueliner.
- A.lsQ theyare recessed on their upper scidespto "receivedrain pipes 113 that have perforations in rtheir nlower ⁇ portions for ythe discharge of water ⁇ to the absorptionbed.
- the pipes AJ43, ,themselves serve as aportion of the shield for :excluding dirt from thexspaces within the main ,shield elements't.
- Eerforations d2 are provided throughthe vertical ⁇ sides ofthe members 4I to Vl effect distribution of the water over 'the absorption bed.
- l. vA unit for 4use indrainage systems comprising a shield of approximately semi-tubular @form adapted to be placed with its longitudinal .edges u ponanl absorption bed, a drainage con- 'duc'tor supported in unitary relation with the upperinner surface of the shield and provided with lateral l flow passages, the drainage conductorbeirigof small Vertical and horizontallylateral dimensions relative to the shield, whereby it may be supported by the shield in completely vertically-spaced relation "to "an absorption -bed and with itsla'teraliow passages spacedl-substantial distances from :the 1 sides -of rthe ishield.
- a drain conduit carried by the shield, within an upper portion of the shield and having its lower-most wall area in vertically-spaced relation to the plane of the lower edges ofthe shield member, and means providing for discharge of liquid from the conduit into the shield member at points spaced substantial distances from the sides of the shield.
Description
- Jan. l2, 4i945.
M. R. GUTMAN UNIT FOR DRAINAGE SYSTEMS 1942 2 Sheets-Sheet l Filed Nov. l0
J .0.... ..0 d. .../Vo. 10.1.?. d
INVENTOR, i 07m/pme- P. Gar/wmv.
@Trae/Vex Jan. 2, 1945. M. R. GUTMAN .l 2,366,522
UNIT FOR DRAINAGE SYSTEMS Filed Nov. 1o, 1942 sheets-sheet 2 l Maumee E61/rma. Q 0 C? 42 L42 BY or other source of sewage. .A
\ Patented Jan. `2, 1945 UNITED STATES PATENT ,OFFICE v 2,366,522 UNIT Fon DRAINAGE SYSTEMS Maurice R. Gutman, Lynbrook, N. Y. Application November 10,1942, Serial No. 165,177
` (c1. 61-1o) t is a view taken on the lineIII-III of Fig. 2;
6 Claims.
. My invention relates to units for drainage systems, including systems forwthe disposal of the ellluent water from septic tanks, grease traps etc., the invention `being suitable also for use in draining water from swampyground, after the manner of French drains. l
In the draining of comparatively clear water from septic tanks andthe like, it is frequently conducted through drain `tile to` porous soil or gravel beds, to effect dissipation ofthe eiiluent water intothe soil. Usually the drain tile sections have their ends spaced slightly apart to allow the water to leak between such ends, into the absorption bed, but 'the pipes` are embedded `in the gravelor the porous soil, and there is iniiltration of betweenthe ends of. the tile sections, so that ltrouble is` frequently encountered through clogging of the drain tile. Even where no such infiltration of dirt occurs, there is obstruction to freelow of water through these `spaces betweenthe ends `of the pipes or` tile sections, `because of close proximity of the gravel or `the like in which the drain ti1e,is embedded.
This objection applies alsoto `the draining of` soil or swampy land to remove water therefrom. .One object of 1 my` invention `is to provide a 6 structure of the character referred to, wherein the drain pipes are supported in such manner that they will not become clogged by dirt `or gravel at the `absorption beds, and wherein there is no obstruction to free flow of Water fromthe pipes to the absorption beds. Y
Another object of my invention is to provide` a system of the character referred to wherein I the parts can be made largely from conventional forms of sewer pipe and the like.`
Still another object of my invention is to prol vide a `drainage system with an improved manner for introducing chemicals for treating the liquid .passing therethrough, or for dissolving greasefwhichfmeans may also serveas` a convenient manner for effecting aeration, with supply of oxygen to the eiuent fromsepticvtanks A further object is to provide a means anda method of laying conduits of drain tile or sewer pipes in such manner that danger of tree roots the structureof Fig. 2; Fig`. 6 is a modied view` of one of the drain tilemembers of Fig. 1; Fig.
l 7 is a perspective viewof a modication ofthe drain pipe and shield structure of Fig. 3; Fig. 8 is a side view of the drain pipe of Fig. 7;Fig. 9 showsanother modiiication of the structure of Fig. 1; Fig. 10` shows still another form ofthe invention, in fragmentaryV plan view; Fig. 11 is `anrend view thereof partly in section, andFig.
`12 is a fragmentary perspective view showing three of the units of` Fig. l0 in assembled relation.
Referring first to Figs. 1, 2 and `3, II indicates a sewer or drain line leading from a septic tank or some other source, slightly sloping downward-y ly in the direction indicated by the arrow. This drain line II is `mounted in vertically-spaced rel lation to an absorption bed I2, which may be `of gravel,` broken stone, ,or simply a porous soil.`
Shield members I3 are placed upon the absorptionbed I2 and `may conveniently consist of ordinary sewer pipes split in half lengthwise thereof. Drainpipes I4 are supported within the shield members I3. To this end, the members I3 and` I4, while in aplastic or` green condition, can be pressed together land then red, so that they will, in effect, be fused together at I5, there` by aording vertical support for the drain pipesA `III. Thepipes I4,.whi1e green, canhave onehalf of their hubs cut away, as indicated at I6,
so that thepipes can have better iit and accurate alignment with one another. Also, they have slots or holes Il punched therethrough,'to permit water to flow from the pipes to the absorption bed. l
At least one ofthe shields I3 has a hole cut therein, and a pipe 20 extending upwardly therefrom, the pipe 20 having communcationthrough the shield, with the `space above the lter bed, either directly or through one of the pipes I3. This pipecan serve as a means` `for introducing chemicals, greasey solvents etc. to the lter bed,
and when its `cover 2| is removed, it `can serve entering the conduit through holes `or joint l l spaces is reduced.
Some of the formswhich myinvention may take are shown in the accompanying drawings wherein Figure 1 is a longitudinal sectional view through an absorption bed, with my invention n incorporated therewith; Fig. 2 is an enlarged view taken on` the linen-II of Fig. 1; Fig. 3`
as a Ventilating pipe or for `aeration of the filter bed to admit oxygen of the atmosphere to the waste material in the bed.
It will be understood that in the case `of the abovefdescribed structure, as well as certain `of the otheriorms herein shown, the parts may be made of other materials such as concreteor metal. Also, unperforated drain pipes can be used,
on stools or chairs I8 at intervals, in verticallyspaced relation to the absorption bed l2.
IAs shown in Fig. 6, the pipes I4 may be per- 3 l5 will discharge laterally in one direction and the iorated on only one side, in which case one pipe succeeding pipe laterally inthe, opposite direction, the holes Il in the s'ucedir'ig pipe "being in the opposite side thereof. Referringhow to Figsjand 8, Iv show av somewhat, dii'iereiitflform'cf'shield and drain pipe ar,-
ange lentf'that is suitable.' forfmounting above 4a; `ab s orptio n bed. The shield 23 mayV be of tai e1; ;ti1'e1-jsintahiey material, and is provided fwith fianigesgd thatfwill lafford ita rmer supdrtonanlabsorption bed. e Thedrain pipe is 'si '[il'ar tothe drainv pipes |`4 ,and carries a metal istrip orStrips whose ends25 and 21 are bent 'kbaclrlwardly over'the upper surface of the shield. :Notchesfarewprovided" in the ends `of 4the shield `-te rec'eivethev toiiguesor clips 2B- 21, so that when'a number of shields arelused, they can be "placed Withftheir adjacent ends in abutting rellation, to exclude dirt. Also,` the successive `sln'elrzls,can `overlap one another at their ends mewhat, to incre effectively exclude dirt. It
' y`\jmu 1teanderseits*that the pipe 25 come be f bolted to the shield, or could bel welded theretonw henjh-ey n'are made of metal;
"/InV FigjQ, lI 'fshow an arrangement wherein a g ;lrain"pipe isprovided with branches 3l 'and 3.2Mforconnection'wth perforated drain pipes 33 ande@ respectively, thatextendfthrough the up- "per portionof la'IooX or shield'35 to be mounted kupna"drainage {bed and whi'chis open vat its mittens "'rhe`px-3'5 has partitions orA wams-'36, V3l fa'liid'38'thatare recessedfor the reception of the'drain'pips-,it being understood that-aseries tion. Thev partitions and walls are perforatedin Cth'eir lower portions tofacilitate distribution; of i waterin the box, and a cover 39 is provided for thebox,to exclude dirt..
Figs; 10, `11 aridlZ show still another arrange- Lment.V In this` structure inverted channel e1e` yL .ments 1I are employed. Thesernay suitably be `l`formedoiclayiue liners that are of rectangular form in cross section and split lengthwise while green, to formtWO C hannelsfrcmeach flueliner. A.lsQ, theyare recessed on their upper scidespto "receivedrain pipes 113 that have perforations in rtheir nlower `portions for ythe discharge of water` to the absorptionbed. l In this instance, the pipes AJ43, ,themselves serve as aportion of the shield for :excluding dirt from thexspaces within the main ,shield elements't. Eerforations d2 are provided throughthe vertical `sides ofthe members 4I to Vl effect distribution of the water over 'the absorption bed.
while the invention 'has'beenidesribed as used A faire ,Pariibilsrlainj @slaying 0f 'drain tile, it
analsoube employed in connection with the lay- 4of ewer` l1ri`e's. These lines will be laid` in the hub connections complete and no lateral openings. While the joints of sewer pipesv are usually cemented, this is not always done, and furthermore, cemented joints sometimes break, through settling or otherwise. If the sewer pipes are supported above the bottom of' the sewer trench and shields placed to exclude dirt from the space below them, the tendrils of `tree roots will not ordinarily come into Contact with them.
Iclaim as my *inventions y, 1
l. vA unit for 4use indrainage systems, comprising a shield of approximately semi-tubular @form adapted to be placed with its longitudinal .edges u ponanl absorption bed, a drainage con- 'duc'tor supported in unitary relation with the upperinner surface of the shield and provided with lateral l flow passages, the drainage conductorbeirigof small Vertical and horizontallylateral dimensions relative to the shield, whereby it may be supported by the shield in completely vertically-spaced relation "to "an absorption -bed and with itsla'teraliow passages spacedl-substantial distances from :the 1 sides -of rthe ishield.
2. 'A lunit for yuse in drainageisysternsfcornprising aV shield ofsemi-tubularform adapted to 25 be placed with its longitudinal-edges-on-the;sur
`face of an absorptionibed, anda-"drain pipeA of `small 'diameter relative'to the width Vand vdepth of the shield, securedto Athe-upper inner wallSur.- face of the shield-theipipe having'drainopenings and Vbeing slghtly'ofE-se't in tal direction longitudinally of the shield "so that -one end projects "slightly, beyond oneend of theshield -and the `other pipe end'is Yinset-slightly "at the other end, whereby adjacent ends of--rthewdrainpipes areoverlaid by the shieldswhen ai pluralityfof units are''placed 4in endete-end relation. j
3. A unit'for use in drainage systemsycomlprising a shieldfofse'miitubular form adaptedtoA 40 `be placed with itslo'ngitu'dinal edgesion the'surnient therewith, Alateral w'ffpeiiigssbeing proface of an 'absorption bed,and a drain pipeyof' sinall diameter 'relative tothe lwidtlrand depth 'of the shieldgsecur'ed tothe upper inner'wall surface i of the shield-and 'provided v4with perforations 5 tofaiford` flow `of'wat'er latrallyitherefrom;the
pipe ubeing provided at 'one 'end' with =ahub`like portion in position toi 'receive and aligniadrain lTp'ipefehd ofjaniadjacentfunit. f
be placed with its longitudinal yfe'dg'es ntheisurface of an absorptionfbedadrairiageconduct'or lfused lto the `upperVlinder" surface: ofthefshield and-having vlateral 'now-passages, thefdrainafge s 'conductor being VYofwsri'iall vertical':andliorizontallly-latleral dimensiori'sffrel'ative to-'the shield, whereby it' may' beisiipprtd bythe shield ini-iomjplet'ely 'vertically spaced irelationto" l'an-- absorption m standar distances from 'tnefsides of the shield,
vided from the `drainage conductors at points spaced substantial distances above the absorption 'bed and from the sides of the shields.
bed, a drain conduit carried by the shield, within an upper portion of the shield and having its lower-most wall area in vertically-spaced relation to the plane of the lower edges ofthe shield member, and means providing for discharge of liquid from the conduit into the shield member at points spaced substantial distances from the sides of the shield.
MAURICE R. GUTMAN.
Priority Applications (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US465177A US2366522A (en) | 1942-11-10 | 1942-11-10 | Unit for drainage systems |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US465177A US2366522A (en) | 1942-11-10 | 1942-11-10 | Unit for drainage systems |
Publications (1)
Publication Number | Publication Date |
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US2366522A true US2366522A (en) | 1945-01-02 |
Family
ID=23846775
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US465177A Expired - Lifetime US2366522A (en) | 1942-11-10 | 1942-11-10 | Unit for drainage systems |
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US (1) | US2366522A (en) |
Cited By (32)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2637170A (en) * | 1949-10-13 | 1953-05-05 | Louis K Benedict | Drain for sewage disposal systems |
US2803948A (en) * | 1954-05-24 | 1957-08-27 | Dorfman Harry | Integral drain tile unit |
US3220194A (en) * | 1961-10-10 | 1965-11-30 | Lienard Leonce | Soil conditioning device |
US3645100A (en) * | 1970-01-16 | 1972-02-29 | Rotondo & Sons Inc A | Leaching chamber unit for soil absorption system |
US4182583A (en) * | 1978-08-14 | 1980-01-08 | Mcentyre Ralph | Underground percolation head and watering system |
US4188154A (en) * | 1977-08-23 | 1980-02-12 | Cellsystem Ag | Apparatus for watering and draining soil |
US4192628A (en) * | 1978-05-12 | 1980-03-11 | Gorman Edward D | Flow distributor for leaching fields |
US4588325A (en) * | 1984-07-26 | 1986-05-13 | Seefert Kenneth F | Modular rock replacing drain field apparatus |
US4759661A (en) * | 1987-02-27 | 1988-07-26 | Infiltrator Systems Inc | Leaching system conduit |
US5087151A (en) * | 1989-01-30 | 1992-02-11 | Ditullio Robert J | Drainage system |
US5401116A (en) * | 1989-04-24 | 1995-03-28 | Infiltrator Systems, Inc. | Leaching system conduit with cantilevered leg joint |
WO1995013694A1 (en) * | 1993-11-15 | 1995-05-26 | Madeira Invest A/S | A protective body/cover to be placed over discharge openings on pipes for the underground supply of water and air |
US5441363A (en) * | 1994-04-29 | 1995-08-15 | Gray; Terrance H. | Leaching chamber |
US5498104A (en) * | 1994-04-29 | 1996-03-12 | Gray; Terrance H. | Leaching chamber |
US5516229A (en) * | 1994-03-23 | 1996-05-14 | Plastic Tubing Industries, Inc. | Drain field system |
US5556231A (en) * | 1994-09-01 | 1996-09-17 | Hancor, Inc. | Severable leaching chamber with end cap |
US5669733A (en) * | 1994-09-01 | 1997-09-23 | Hancor, Inc. | Angled adapter for a leaching chamber system |
US6076993A (en) * | 1997-06-16 | 2000-06-20 | Psa, Inc. | Leaching chamber |
EP1036770A1 (en) * | 1999-03-15 | 2000-09-20 | Naves TP Sarl | Waste water treatment plant |
US6202700B1 (en) * | 1998-12-17 | 2001-03-20 | Joseph Bevilacqua | Self-flushing pipe |
US6270661B1 (en) * | 2000-04-26 | 2001-08-07 | E. Craig Jowett | System for infiltrating water into the ground |
US6467995B2 (en) | 1998-12-17 | 2002-10-22 | Joseph Bevilacqua | Self-flushing pipe |
US6698975B1 (en) | 2002-08-27 | 2004-03-02 | Hancor, Inc. | Coupling structure for a leaching chamber |
US6739800B2 (en) | 1998-12-17 | 2004-05-25 | Joseph Bevilacqua | Self-flushing gutter pipe |
US20040223807A1 (en) * | 1998-12-17 | 2004-11-11 | Joseph Bevilacqua | Self-flushing gutter pipe |
US20040253054A1 (en) * | 2000-10-18 | 2004-12-16 | Atchley Frederic P. | Effluent distribution system |
US20090232600A1 (en) * | 2008-03-14 | 2009-09-17 | Kim Chang Z | Leach line and chamber combined system |
US7632408B1 (en) | 2007-06-29 | 2009-12-15 | Plastic Tubing Industries, Inc. | Passive drain field system for wastewater treatment and associated methods |
US7661903B1 (en) | 2007-04-16 | 2010-02-16 | Plastic Tubing Industries, Inc. | Low-pressure dosing system for sewage disposal and associated methods |
US20100329787A1 (en) * | 2009-06-29 | 2010-12-30 | Infiltrator Systems, Inc. | Corrugated Leaching Chamber with Hollow Pillar Supports |
US8240950B1 (en) | 2007-06-29 | 2012-08-14 | Everson Douglas G | Underground water retention system and associated methods |
US11732457B2 (en) | 2021-08-31 | 2023-08-22 | Geldenhuis Pieter | Water infiltration conduit |
-
1942
- 1942-11-10 US US465177A patent/US2366522A/en not_active Expired - Lifetime
Cited By (39)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2637170A (en) * | 1949-10-13 | 1953-05-05 | Louis K Benedict | Drain for sewage disposal systems |
US2803948A (en) * | 1954-05-24 | 1957-08-27 | Dorfman Harry | Integral drain tile unit |
US3220194A (en) * | 1961-10-10 | 1965-11-30 | Lienard Leonce | Soil conditioning device |
US3645100A (en) * | 1970-01-16 | 1972-02-29 | Rotondo & Sons Inc A | Leaching chamber unit for soil absorption system |
US4188154A (en) * | 1977-08-23 | 1980-02-12 | Cellsystem Ag | Apparatus for watering and draining soil |
US4192628A (en) * | 1978-05-12 | 1980-03-11 | Gorman Edward D | Flow distributor for leaching fields |
US4182583A (en) * | 1978-08-14 | 1980-01-08 | Mcentyre Ralph | Underground percolation head and watering system |
US4588325A (en) * | 1984-07-26 | 1986-05-13 | Seefert Kenneth F | Modular rock replacing drain field apparatus |
US4759661A (en) * | 1987-02-27 | 1988-07-26 | Infiltrator Systems Inc | Leaching system conduit |
US5087151A (en) * | 1989-01-30 | 1992-02-11 | Ditullio Robert J | Drainage system |
US5401116A (en) * | 1989-04-24 | 1995-03-28 | Infiltrator Systems, Inc. | Leaching system conduit with cantilevered leg joint |
US5785454A (en) * | 1993-11-15 | 1998-07-28 | Madeira Invest As | Protective body/cover to be placed over discharge openings on pipes for the underground supply of water and air |
AU688824B2 (en) * | 1993-11-15 | 1998-03-19 | Madeira Invest A/S | A protective body/cover to be placed over discharge openings on pipes for the underground supply of water and air |
WO1995013694A1 (en) * | 1993-11-15 | 1995-05-26 | Madeira Invest A/S | A protective body/cover to be placed over discharge openings on pipes for the underground supply of water and air |
US5516229A (en) * | 1994-03-23 | 1996-05-14 | Plastic Tubing Industries, Inc. | Drain field system |
US5498104A (en) * | 1994-04-29 | 1996-03-12 | Gray; Terrance H. | Leaching chamber |
US5441363A (en) * | 1994-04-29 | 1995-08-15 | Gray; Terrance H. | Leaching chamber |
US5556231A (en) * | 1994-09-01 | 1996-09-17 | Hancor, Inc. | Severable leaching chamber with end cap |
US5669733A (en) * | 1994-09-01 | 1997-09-23 | Hancor, Inc. | Angled adapter for a leaching chamber system |
US6270287B1 (en) | 1995-07-19 | 2001-08-07 | Psa, Inc. | Leaching chamber |
US6076993A (en) * | 1997-06-16 | 2000-06-20 | Psa, Inc. | Leaching chamber |
US6202700B1 (en) * | 1998-12-17 | 2001-03-20 | Joseph Bevilacqua | Self-flushing pipe |
US6739800B2 (en) | 1998-12-17 | 2004-05-25 | Joseph Bevilacqua | Self-flushing gutter pipe |
US6467995B2 (en) | 1998-12-17 | 2002-10-22 | Joseph Bevilacqua | Self-flushing pipe |
US20040223807A1 (en) * | 1998-12-17 | 2004-11-11 | Joseph Bevilacqua | Self-flushing gutter pipe |
EP1036770A1 (en) * | 1999-03-15 | 2000-09-20 | Naves TP Sarl | Waste water treatment plant |
FR2791054A1 (en) * | 1999-03-15 | 2000-09-22 | Naves Tp | WASTEWATER TREATMENT PLANT |
US6270661B1 (en) * | 2000-04-26 | 2001-08-07 | E. Craig Jowett | System for infiltrating water into the ground |
US20040253054A1 (en) * | 2000-10-18 | 2004-12-16 | Atchley Frederic P. | Effluent distribution system |
US6698975B1 (en) | 2002-08-27 | 2004-03-02 | Hancor, Inc. | Coupling structure for a leaching chamber |
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