US2671906A - Liner for sanitary closets - Google Patents

Liner for sanitary closets Download PDF

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US2671906A
US2671906A US320643A US32064352A US2671906A US 2671906 A US2671906 A US 2671906A US 320643 A US320643 A US 320643A US 32064352 A US32064352 A US 32064352A US 2671906 A US2671906 A US 2671906A
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film
jaws
bowl
sanitary
housing
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US320643A
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Robert W Potts
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    • AHUMAN NECESSITIES
    • A47FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47KSANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K11/00Closets without flushing; Urinals without flushing; Chamber pots; Chairs with toilet conveniences or specially adapted for use with toilets
    • A47K11/02Dry closets, e.g. incinerator closets
    • A47K11/026Dry closets, e.g. incinerator closets with continuous tubular film for receiving faeces
    • 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
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A50/00TECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE in human health protection, e.g. against extreme weather
    • Y02A50/30Against vector-borne diseases, e.g. mosquito-borne, fly-borne, tick-borne or waterborne diseases whose impact is exacerbated by climate change

Definitions

  • This invention relates to dry sanitary closets for use in aircraft, trains and other moving vehicles. Additionally, the invention may be advantageously used in camps, house trailers and the like where water or chemical supplies are not convenient or are not readily available.
  • An object of the invention is to provide a means for sacking and sealing waste material in dry sanitary closets.
  • a particular object of the invention is to provide a lightweight dry closet for aircraft, and one which requires very little space for its installation and operation.
  • An additional object of the invention is to provide a dry sanitary closet which will eliminate obnoxious odors, and at the same time provide a convenient and sanitary means for dis posing of waste materials.
  • An additional object of the invention is to provide, in a dry closet of the class described, a simple operation for effectively sealing and disposing the waste material, and at the same time preparing the bowl of the closet for the next user.
  • Figure l is a vertical sectional view of a dry closet embodying the features of the invention.
  • Figure 2 is a plan view of the lower housing showing the film sealing jaws in their closed position.
  • Figure 3 is a broken vertical sectional view showing the film moving jaws in a lower position as the same draws the film containing the waste material downwardly for subsequent disposal.
  • Figure 4 is a view similar to Figure 3, but showing a position of the film moving jaws during their upward movement.
  • Figure 5 is a perspective view of the film opera-ting mechanism, including the last referred to jaws.
  • Figure 6 is a broken elevation and sectional 7 view showing the installation of the mechanism illustrated in Figure 5.
  • the exemplary form of the invention shown includes a tubular upper housing It] mounted on a floor Ii and a toilet seat [2 mounted on its upper end.
  • the lower end of the housing it includes an outwardly directed flange l 3 which may be detachably secured to the floor ll; however, in some installations it may be desirable to permanently secure the referred to flange.
  • the upper end of the housing In is inwardly flanged as at M for supporting the seat l2.
  • a tubular inner wall 15 spaced from the inner surface of said housing, and which wall supports a bowl l6 of formed sheet material.
  • the bowl l6, converges at its lower end to provide a relatively small opening ll, whereas its upper end is outwardly formed into a rolled flange I8.
  • a tubular film 20 of plastic material such as cellulose, vinyl, acetate or the like. Treated waterproof paper may be used, but preferably the same should include some adhesive substance for sealing purposes hereinafter referred to.
  • a considerable length of the film tubing '20 may be received within the annulus l9 by reversing the material on itself in the manner of accordion pleats.
  • the upper end of the tubular film 2c is positioned around and over the rolled flange it of the bowl l6, lining the latter, and thence extending downwardly through the bowl opening I1.
  • is provided in the floor It for receiving and supporting a lower housing 22, the upper end of which isoutwardly flanged as at 23 for engaging the floor surface.
  • the lower end of the lower housing is open, as at 25, and extends into the upper end of a receptacle 26.
  • an incinerator may be employed instead of the receptacle 26, and reference is made to my copending application Serial Number 314,468, filed October 13, 1952, illustrating and describing an incinerator of the type referred to.
  • a film moving mechanism 21, illustrated in detail in Figures 5 and 6, is mounted within the lower housing 22 by means of brackets 28, the upper end of which mechanism is near the lower end of the bowl IS.
  • the mechanism 21 includes a vertical arcuate member 29 having a vertical slot 30 therethrough, best illustrated in Figures 3 and 6, extending nearly its complete length.
  • a tubular member 35 is slidably mounted on the guide rod 3i and extends upwardly through a collar 36 in a box-like extension 37 on the side of the upper housing [0.
  • the upper end of the tubular member 35 is provided with a handle 38, whereas the lower end of the member is provided with a laterally extending arm 39 which is slidably received within and through the vertical slot 30 in the vertical arcuate member 29 of the film moving mechanism.
  • the upper and lower ends of the vertical arcuate member are provided with a horizontal plates 40 and 4
  • the inner end of the arm 39 secured to the vertically movable tubular member 35 is provided with a yoke 44 having openings (not shown) therethrough for receiving the last described rod 42.
  • the inner ends of the jaws 43 are received within the yoke 44, and which inner ends include angularly extending followers 45 for engaging grooves 46 in the inner surface of the vertical arcuate member 29 and on opposite sides of the vertical slot 30.
  • the jaws 43 are spring loaded (not shown) to normally move the same away from each other.
  • the upper ends of the grooves 46 are shaped so as to close the jaws 43 when the same reach the upper end of the latter and to spread apart when they reach their lowermost position.
  • the followers 45 are engaged in the vertical slot 30.
  • the last described operation is carried out by means of dogs 41 pivotally mounted in the upper ends of the grooves 46 where the same join the slot 30.
  • the dogs 41 are spring loaded to normally close the upper ends of the grooves 45.
  • the lower ends of the grooves 46 converge, as at 48, and whereby the spring loaded jaws 43 will cause the followers to expand when the latter reach the lower end of the slot 30, thus releasing the film 20 drawn downwardly by the jaws 43.
  • Sealing jaws are mounted on the upper flange of the lower housing 22 by means of pairs of pivoted arms 50, mounted on rods which in turn are supported at their ends by means of bearings 52.
  • the opposing surfaces of the sealing jaws 49 are provided with interfitting longitudinal grooves 53, and which jaws may be electrically heated as shown by means of wiring connections 54.
  • Ears 55 are provided on the arms 50 adjacent the film moving mechanism 21 for pivotally engaging the upper ends of rods 56, the lower ends of which are angular and pivotally connected with each other, as at 51, near the converging portions 48 of the described grooves 46.
  • the film is arranged as shown in Figure 1 and the handle 38 is initially operated to seal an area of the film on itself by means of the sealing jaws 49.
  • the handle 38 is pushed downwardly causing the film moving jaws 43 to engage the film and draw the same downwardly, and at which time the waste material is secured within a bag 59 thereby formed of said film.
  • the sealing jaws are brought together for sealing the upper end of the bag thus formed.
  • the length of material 20 enclosing the bags 59 are progressively received within the receptacle 26 or the incinerator, as the case may be.
  • the invention herein shown and described may additionally be used for other purposes, such as for disposal of garbage and for other purposes.
  • the invention is not limited to the construction herein shown and described, but may be made in many ways within the scope of the appended claims.
  • the invention is directed to the liner 20 and its arrangement around, over and through the bowl, since various film moving means may be provided other than the specific film moving construction herein shown and described.
  • a bowl having an open ing through the bottom thereof, a supply of tubular film around said bowl and extending upwardly over the periphery thereof and down: wardly through said opening, and means drawing said film downwardly through said bowl.
  • the construction wherein said means drawing said film downwardly through said bowl is comprised of a pair of vertically movable jaws adapted to engage the film near said opening and to release said film when said jaws are remote from said opening.
  • a sanitary closet comprising a housing, a bowl having an opening in the bottom thereof mounted within said housing and spaced from the inner wall thereof, a supply of tubular film within said housing and around said bowl, said film extending upwardly over the periphery of said bowl and downwardly through said opening, and means drawing said film downwardly through said bowl.

Description

March 16, 1954 Filed NOV. 15, 1952 F IG. 5.
v R. w. POTTS LINER FOR SANITARY CLOSETS 2 Sheets-Sheet 2 A TTORNE Y Patented Mar. 16, 1954 UNITED STATES PATENT OFFICE LINER FOR SANITARY GLOSETS Robert W. Potts, Fort Worth, Tex.
Application November 15, 1952, Serial No. 320,643
5 Claims. 1
This invention relates to dry sanitary closets for use in aircraft, trains and other moving vehicles. Additionally, the invention may be advantageously used in camps, house trailers and the like where water or chemical supplies are not convenient or are not readily available.
An object of the invention is to provide a means for sacking and sealing waste material in dry sanitary closets.
A particular object of the invention is to provide a lightweight dry closet for aircraft, and one which requires very little space for its installation and operation.
An additional object of the invention is to provide a dry sanitary closet which will eliminate obnoxious odors, and at the same time provide a convenient and sanitary means for dis posing of waste materials.
An additional object of the invention is to provide, in a dry closet of the class described, a simple operation for effectively sealing and disposing the waste material, and at the same time preparing the bowl of the closet for the next user.
These and other objects will become apparent from the following description and the accompanying drawings of an exemplary form of the invention, wherein:
Figure l is a vertical sectional view of a dry closet embodying the features of the invention.
Figure 2 is a plan view of the lower housing showing the film sealing jaws in their closed position.
Figure 3 is a broken vertical sectional view showing the film moving jaws in a lower position as the same draws the film containing the waste material downwardly for subsequent disposal.
Figure 4 is a view similar to Figure 3, but showing a position of the film moving jaws during their upward movement.
Figure 5 is a perspective view of the film opera-ting mechanism, including the last referred to jaws.
Figure 6 is a broken elevation and sectional 7 view showing the installation of the mechanism illustrated in Figure 5.
The exemplary form of the invention shown includes a tubular upper housing It] mounted on a floor Ii and a toilet seat [2 mounted on its upper end. The lower end of the housing it includes an outwardly directed flange l 3 which may be detachably secured to the floor ll; however, in some installations it may be desirable to permanently secure the referred to flange.
2 The upper end of the housing In is inwardly flanged as at M for supporting the seat l2.
Within the upper housing In there is a tubular inner wall 15, spaced from the inner surface of said housing, and which wall supports a bowl l6 of formed sheet material. The bowl l6, converges at its lower end to provide a relatively small opening ll, whereas its upper end is outwardly formed into a rolled flange I8. Within the annular space l9 between the upper housing It and the inner wall I5 there is a tubular film 20 of plastic material, such as cellulose, vinyl, acetate or the like. Treated waterproof paper may be used, but preferably the same should include some adhesive substance for sealing purposes hereinafter referred to. As shown in Figlife 1 a considerable length of the film tubing '20 may be received within the annulus l9 by reversing the material on itself in the manner of accordion pleats. The upper end of the tubular film 2c is positioned around and over the rolled flange it of the bowl l6, lining the latter, and thence extending downwardly through the bowl opening I1. An opening 2| is provided in the floor It for receiving and supporting a lower housing 22, the upper end of which isoutwardly flanged as at 23 for engaging the floor surface. The lower end of the lower housing is open, as at 25, and extends into the upper end of a receptacle 26. If preferred, an incinerator may be employed instead of the receptacle 26, and reference is made to my copending application Serial Number 314,468, filed October 13, 1952, illustrating and describing an incinerator of the type referred to.
A film moving mechanism 21, illustrated in detail in Figures 5 and 6, is mounted within the lower housing 22 by means of brackets 28, the upper end of which mechanism is near the lower end of the bowl IS. The mechanism 21 includes a vertical arcuate member 29 having a vertical slot 30 therethrough, best illustrated in Figures 3 and 6, extending nearly its complete length. Parallel with the vertical arcuate member 29 there is a guide rod 3| mounted at its lower end on a laterally extending arm 32 of a depending bracket 33, the latter being provided with a foot 34 for attachment to the lower surface of the floor H. A tubular member 35 is slidably mounted on the guide rod 3i and extends upwardly through a collar 36 in a box-like extension 37 on the side of the upper housing [0. The upper end of the tubular member 35 is provided with a handle 38, whereas the lower end of the member is provided with a laterally extending arm 39 which is slidably received within and through the vertical slot 30 in the vertical arcuate member 29 of the film moving mechanism.
The upper and lower ends of the vertical arcuate member are provided with a horizontal plates 40 and 4| for supporting a vertical rod 42 on which vertically slidable film moving jaws 43 are mounted. The inner end of the arm 39 secured to the vertically movable tubular member 35, is provided with a yoke 44 having openings (not shown) therethrough for receiving the last described rod 42. The inner ends of the jaws 43 are received within the yoke 44, and which inner ends include angularly extending followers 45 for engaging grooves 46 in the inner surface of the vertical arcuate member 29 and on opposite sides of the vertical slot 30. The jaws 43 are spring loaded (not shown) to normally move the same away from each other. However, the upper ends of the grooves 46 are shaped so as to close the jaws 43 when the same reach the upper end of the latter and to spread apart when they reach their lowermost position. During their downward movement the followers 45 are engaged in the vertical slot 30. The last described operation is carried out by means of dogs 41 pivotally mounted in the upper ends of the grooves 46 where the same join the slot 30. The dogs 41 are spring loaded to normally close the upper ends of the grooves 45. The lower ends of the grooves 46 converge, as at 48, and whereby the spring loaded jaws 43 will cause the followers to expand when the latter reach the lower end of the slot 30, thus releasing the film 20 drawn downwardly by the jaws 43.
Sealing jaws are mounted on the upper flange of the lower housing 22 by means of pairs of pivoted arms 50, mounted on rods which in turn are supported at their ends by means of bearings 52. The opposing surfaces of the sealing jaws 49 are provided with interfitting longitudinal grooves 53, and which jaws may be electrically heated as shown by means of wiring connections 54. Ears 55 are provided on the arms 50 adjacent the film moving mechanism 21 for pivotally engaging the upper ends of rods 56, the lower ends of which are angular and pivotally connected with each other, as at 51, near the converging portions 48 of the described grooves 46. Thus, when the film moving jaws 43 move downwardly they contact the joined ends of the last described rods 56, thereby causing the sealing jaws 49 to move inwardly, as shown by means of dotted lines in Figure 1, and close and seal the film 20.
In operation, the film is arranged as shown in Figure 1 and the handle 38 is initially operated to seal an area of the film on itself by means of the sealing jaws 49. After waste material has been deposited in the film 20 lining the bowl IS, the handle 38 is pushed downwardly causing the film moving jaws 43 to engage the film and draw the same downwardly, and at which time the waste material is secured within a bag 59 thereby formed of said film. When the film moving jaws 43 contact the joined portion of the rods 50 the sealing jaws are brought together for sealing the upper end of the bag thus formed. The length of material 20 enclosing the bags 59 are progressively received within the receptacle 26 or the incinerator, as the case may be.
It is to be understood that the invention herein shown and described may additionally be used for other purposes, such as for disposal of garbage and for other purposes. The invention is not limited to the construction herein shown and described, but may be made in many ways within the scope of the appended claims. As set forth in the appended claims, the invention is directed to the liner 20 and its arrangement around, over and through the bowl, since various film moving means may be provided other than the specific film moving construction herein shown and described.
What is claimed is:
1. In a sanitary closet, a bowl having an open ing through the bottom thereof, a supply of tubular film around said bowl and extending upwardly over the periphery thereof and down: wardly through said opening, and means drawing said film downwardly through said bowl.
2. In a sanitary closet as defined in claim 1, the construction wherein said means drawing said film downwardly through said bowl is comprised of a pair of vertically movable jaws adapted to engage the film near said opening and to release said film when said jaws are remote from said opening.
3. In a sanitary closet as defined in claim 1, the combination of a pair of sealing jaws mounted beneath said bowl and on opposite sides of said film, and means moving said sealing jaws inwardly and outwardly relative to each other.
4. In a sanitary closet as defined in claim 1, the construction wherein the length of said tubular film around said bowl is vertically arranged in the manner of accordion pleats.
5. A sanitary closet comprising a housing, a bowl having an opening in the bottom thereof mounted within said housing and spaced from the inner wall thereof, a supply of tubular film within said housing and around said bowl, said film extending upwardly over the periphery of said bowl and downwardly through said opening, and means drawing said film downwardly through said bowl.
ROBERT W. POTTS.
' References Cited in the file of this patent UNITED STATES PATENTS Number Name Date 479,897 Murphy Aug. 2, 1892 1,986,422 Zwoyer Jan. 1, 1935 2,041,187 Janda May 19, 1936 2,113,636 Vogt Apr. 12, 1938 2,192,335 Stevens Mar. 5, 1940 2,205,405 Harm June 25, 1940
US320643A 1952-11-15 1952-11-15 Liner for sanitary closets Expired - Lifetime US2671906A (en)

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Cited By (49)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2858778A (en) * 1956-12-20 1958-11-04 White Motor Co Dry toilet with incinerator passage closure
US2989828A (en) * 1958-09-04 1961-06-27 Flex O Glass Inc Plastic plant package
US3158874A (en) * 1963-03-15 1964-12-01 Lundy Electronics And Systems Space waste collecting valve and pump
US3176317A (en) * 1963-12-06 1965-04-06 Kelseaux Marie Disposable water closet bowl liners
DE1225831B (en) * 1960-01-13 1966-09-29 Walter Widmer Dry toilet
US3295223A (en) * 1964-01-23 1967-01-03 Jack D Zeff Closed environmental simulator for three men
US3401409A (en) * 1966-04-08 1968-09-17 Hans G. Ekrut Waste disposal unit
US3405409A (en) * 1966-01-24 1968-10-15 Lundy Electronics & Syst Inc Method and apparatus for disposal of waste liquid and solid material
US3416164A (en) * 1967-06-23 1968-12-17 Hans G. Ekrut Portable waste disposal unit
US3422985A (en) * 1965-04-13 1969-01-21 North American Rockwell Waste collection assembly
US3452368A (en) * 1966-10-07 1969-07-01 Fts Corp Portable waste disposer
US3457567A (en) * 1967-06-28 1969-07-29 Jeremy F Criss Human waste disposal system
US3488780A (en) * 1967-06-14 1970-01-13 Blanche Ames Ames Apparatus for antipollution of sewage systems at toilet source
US3495278A (en) * 1967-06-12 1970-02-17 Alfred H Peters Disposable bag toilet
US3500480A (en) * 1966-07-01 1970-03-17 John H Michal Jr Urinal attachment for toilet bowl
US3643266A (en) * 1970-11-24 1972-02-22 Robert D Black Portable waste receptacle
US3648302A (en) * 1970-10-22 1972-03-14 Dev Ind Inc Portable waterless water closet
US3657763A (en) * 1969-10-06 1972-04-25 Raymond M Hurd Tool sheath
US3665522A (en) * 1969-11-17 1972-05-30 Pactosan Ab Apparatus for collecting solid or liquid wastes
US3693193A (en) * 1970-11-23 1972-09-26 Coleman Co Portable sanitary toilet
US3723999A (en) * 1971-10-22 1973-04-03 Mileahead Ind Inc Portable waste disposal unit
US3878572A (en) * 1973-09-21 1975-04-22 Eleon Gustav Eriksson Collecting device for solid or liquid waste material
US4025969A (en) * 1974-09-20 1977-05-31 Trailer Finans Ab Sanitary closet
US4870709A (en) * 1987-04-07 1989-10-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Apparatus for waste collection and storage
US4937891A (en) * 1987-04-07 1990-07-03 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Valve for waste collection and storage
US4942632A (en) * 1987-04-07 1990-07-24 The United States Of America As Represented By The Administrator Of The National Aeronautics And Space Administration Method for waste collection and storage
WO1995024853A1 (en) * 1994-03-18 1995-09-21 Waterstate Limited Dry toilet
WO1997027795A1 (en) * 1996-02-02 1997-08-07 Englong He Waterless closet assembly
WO1997039673A1 (en) * 1996-04-24 1997-10-30 Englong He Completely automatic waterless closet
US5765339A (en) * 1994-08-26 1998-06-16 Garland; Thomas A. Diaper pail
US5884346A (en) * 1992-11-13 1999-03-23 Innovation-Ingeniere-Integration-Systeme Device for the recovery and storage of waste
US6003162A (en) * 1997-01-21 1999-12-21 Toyota Jidosha Kabushiki Kaisha Waste disposal apparatus
US20030116575A1 (en) * 2001-12-21 2003-06-26 Ellingson Daniel L. Disposable container with a spill prevention mechanism
US6713140B2 (en) 2001-12-21 2004-03-30 Kimberly-Clark Worldwide, Inc. Latently dispersible barrier composite material
US6783826B2 (en) 2001-12-21 2004-08-31 Kimberly-Clark Worldwide, Inc. Flushable commode liner
US20080184677A1 (en) * 2005-09-07 2008-08-07 International Refills Company Limited Apparatus for Forming Waste Containing Packs
WO2012048422A1 (en) * 2010-10-13 2012-04-19 Angelcare Development Inc. Film-dispensing cassette and rimmed bag for waste-disposal unit
US9085404B2 (en) 2012-10-24 2015-07-21 Munchkin, Inc Cassette for dispensing pleated tubing
US9357890B2 (en) 2012-02-20 2016-06-07 Sanitation Creations, Llc Waterless toilet system and methods of use
US9364124B2 (en) 2012-02-20 2016-06-14 Sanitation Creations, Llc Waterless toilet system and methods of use
WO2017184409A1 (en) * 2016-04-22 2017-10-26 Shi, Lei Splash and odor reduction in dry toilet
USD808680S1 (en) 2014-12-03 2018-01-30 Munchkin, Inc. Cassette
US9994393B2 (en) 2014-12-11 2018-06-12 Munchkin, Inc. Container for receiving multiple flexible bag assemblies
IT201800003707A1 (en) * 2018-03-19 2019-09-19 Glamping Italia S R L DRY SANITARY / WATER VESSEL WITH PNEUMATIC REFRIGERATED STORAGE IN A SINGLE SEPARATE BODY
US10435235B2 (en) 2012-10-24 2019-10-08 Munchkin, Inc. Cassette for dispensing pleated tubing
US10836573B2 (en) 2016-01-28 2020-11-17 Angelcare Usa, Llc Compact waste disposal device and cassette
US10889433B2 (en) 2007-10-05 2021-01-12 International Refills Company Limited Cassette and apparatus for packing disposable objects into an elongated tube of flexible material
US11414266B2 (en) 2012-10-24 2022-08-16 Munchkin, Inc. Cassette for dispensing pleated tubing
US11511497B2 (en) * 2019-04-12 2022-11-29 Closac Ag Welding unit

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US479897A (en) * 1892-08-02 Commode
US1986422A (en) * 1933-11-28 1935-01-01 Transparent Wrap Machine Corp Automatic packaging machine
US2041187A (en) * 1935-10-24 1936-05-19 Jeannette H Janda Sanitary toilet
US2113636A (en) * 1935-11-15 1938-04-12 Owens Illinois Glass Co Method and apparatus for forming packages
US2192335A (en) * 1938-01-14 1940-03-05 Clarence D Stevens Toilet device
US2205405A (en) * 1938-07-28 1940-06-25 Harm George Owens Means for the sanitary disposition of fecal and other refuse materials

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Publication number Priority date Publication date Assignee Title
US479897A (en) * 1892-08-02 Commode
US1986422A (en) * 1933-11-28 1935-01-01 Transparent Wrap Machine Corp Automatic packaging machine
US2041187A (en) * 1935-10-24 1936-05-19 Jeannette H Janda Sanitary toilet
US2113636A (en) * 1935-11-15 1938-04-12 Owens Illinois Glass Co Method and apparatus for forming packages
US2192335A (en) * 1938-01-14 1940-03-05 Clarence D Stevens Toilet device
US2205405A (en) * 1938-07-28 1940-06-25 Harm George Owens Means for the sanitary disposition of fecal and other refuse materials

Cited By (57)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2858778A (en) * 1956-12-20 1958-11-04 White Motor Co Dry toilet with incinerator passage closure
US2989828A (en) * 1958-09-04 1961-06-27 Flex O Glass Inc Plastic plant package
DE1225831B (en) * 1960-01-13 1966-09-29 Walter Widmer Dry toilet
US3158874A (en) * 1963-03-15 1964-12-01 Lundy Electronics And Systems Space waste collecting valve and pump
US3176317A (en) * 1963-12-06 1965-04-06 Kelseaux Marie Disposable water closet bowl liners
US3295223A (en) * 1964-01-23 1967-01-03 Jack D Zeff Closed environmental simulator for three men
US3422985A (en) * 1965-04-13 1969-01-21 North American Rockwell Waste collection assembly
US3405409A (en) * 1966-01-24 1968-10-15 Lundy Electronics & Syst Inc Method and apparatus for disposal of waste liquid and solid material
US3401409A (en) * 1966-04-08 1968-09-17 Hans G. Ekrut Waste disposal unit
US3500480A (en) * 1966-07-01 1970-03-17 John H Michal Jr Urinal attachment for toilet bowl
US3452368A (en) * 1966-10-07 1969-07-01 Fts Corp Portable waste disposer
US3495278A (en) * 1967-06-12 1970-02-17 Alfred H Peters Disposable bag toilet
US3488780A (en) * 1967-06-14 1970-01-13 Blanche Ames Ames Apparatus for antipollution of sewage systems at toilet source
US3416164A (en) * 1967-06-23 1968-12-17 Hans G. Ekrut Portable waste disposal unit
US3457567A (en) * 1967-06-28 1969-07-29 Jeremy F Criss Human waste disposal system
US3657763A (en) * 1969-10-06 1972-04-25 Raymond M Hurd Tool sheath
US3665522A (en) * 1969-11-17 1972-05-30 Pactosan Ab Apparatus for collecting solid or liquid wastes
US3648302A (en) * 1970-10-22 1972-03-14 Dev Ind Inc Portable waterless water closet
US3693193A (en) * 1970-11-23 1972-09-26 Coleman Co Portable sanitary toilet
US3643266A (en) * 1970-11-24 1972-02-22 Robert D Black Portable waste receptacle
US3723999A (en) * 1971-10-22 1973-04-03 Mileahead Ind Inc Portable waste disposal unit
US3878572A (en) * 1973-09-21 1975-04-22 Eleon Gustav Eriksson Collecting device for solid or liquid waste material
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