US2718014A - Leakproof inflatable articles - Google Patents

Leakproof inflatable articles Download PDF

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Publication number
US2718014A
US2718014A US37285153A US2718014A US 2718014 A US2718014 A US 2718014A US 37285153 A US37285153 A US 37285153A US 2718014 A US2718014 A US 2718014A
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walls
inner
liquid
compartments
leakproof
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Mizrach Murray
Mizrach Jordan
Mizrach Martin
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Mizrach Murray
Mizrach Jordan
Mizrach Martin
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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
    • A47K3/00Baths; Douches; Appurtenances therefor
    • A47K3/02Baths
    • A47K3/06Collapsible baths, e.g. inflatable; Movable baths
    • A47K3/062Collapsible baths, e.g. inflatable; Movable baths specially adapted for particular use, e.g. for washing the feet, for bathing in sitting position
    • A47K3/064Collapsible baths, e.g. inflatable; Movable baths specially adapted for particular use, e.g. for washing the feet, for bathing in sitting position specially adapted for use for children or babies ; Mounting frames therefor
    • 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
    • Y10STECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S5/00Beds
    • Y10S5/945Inflatable baby support with inflatable peripheral guard

Description

Sept. 20, 1955 M. MIZRACH ET AL LEAKPROOF INFLATABLE ARTICLES Filed Aug. 7, 1955 ATTORNEY n7 0/ 8 n. q 9 My 00. Pag 7 I w 'ments of the side.

2,718,014 Patented Sept. 20, 1955 United States Patent Cfifice 2,718,014 LEAKPROOF INFLATABLE ARTICLES Murray Mizrach and Jordan Mizrach, Brooklyn, and

Our invention relates to collapsible and inflatable articles and may be "particularly incorporated in wading pools for children.

An object of our invention is to protect wading pools or other inflated articles against leakage of air or of water or of both.

Other objects are to attain this protection by simple, automatic and reliable means, and to provide leakproof inflatable articles that can be made of resiliently stretchable plastics.

Still other objects and advantages will appear from the following description of exemplifying embodiments of our invention, from the appended claims and from the accompanying drawing in which:

Fig. 1 shows a top view of a wading pool forming an exemplifying embodiment of our invention.

Fig. 2 shows a side view of the same embodiment.

Figs. 3, 4 and 5 show cross-sections of three diiferent modifications of the embodiment shown in Figs. 1 and 2, these cross-sections being taken along the line 33 in Fig. 1 through a broken off portion of the wading pool, and being represented on a larger scale than Figs. 1 and 2, the thicknesses of the walls being exaggerated for the sake of clear representation.

The wading pool shown in the drawing has a flat bottom 1 and a circularly closed side 2-extending from the circumference of the bottom up and surrounding a space adapted for being filled with water. The outer shape of the side 2 is the same in all three modifications which differ only in the inner structure. In all three cases, the side comprises three ring-like compartments positioned over each other, connected with each other and, each, having a substantially circular cross-section and a doubled wall formed by an outer wall surrounding an inner wall. Instead of three compartments, there may be two or any other number of compartments.

One or more valves 4 pass through both walls of the side 2 and serve for inflating or deflating the compart- These valves may be of any known and suitable structure and have tubular air ducts tightly passing through the walls of the side 2. The outer opening of each valve 4 may be closed by a cap 5.

In the modification shown in Fig. 3, each compartment has an inner air space 6 surrounded by an inner Wall 7 and an outer wall 8. Between adjacent compartments, wall portions 9 are located which form integral extensions of the walls 8 of both adjacent compartments and which are reinforced, for example, by making the portions 9 thicker than the walls 8. The inner walls 7 form integrally united extensions of the same portions 9, and are spaced from the walls 8, except where they are connected with the portions 9.

The walls 7 and 8 are made of thin, highly and resiliently stretchable plastic material whereby they will expand under the influence of inner pressure and will collapse when no inner pressure exists. The portions 9 and the bottom 1 may be made of the same material.

The spaces between the walls 7 and 8 are filled with a congealable liquid 11 which closes automatically and instantly any hole or opening that may be made in these walls, for example, by accident or by childish mischief. Liquids of this type are well knownand have been used in: the inner tubes of automobile tires where the liquid fills a small portion of the inflated air space and is applied to the wall of the tube by centrifugal force. We have found that such a liquid can make a stationary infiated article leak-proof without centrifugal action if the liquid is confined and compressed between two expandable walls, that the simultaneous expansion of both walls and the compression of the liquid can be readily produced by inflation of the inner wall, and that it is of advantage if the inflated air space does not contain any liquid. We have further found that such a double walled article can be shaped to form a receptacle for water, and that the congealable liquid in the doubled wall will protect the receptacle against leakage both of air and of water.

In the modification described above, the inner and outer walls form one unitary body.

The second modification shown in Fig. 4 is similar to the first described modification and may have outer walls 18 which are substantially identical to the walls 8 and which are interconnected by re-inforced portions 19. The inner walls 17 do not extend from these portions, but form separate bodies positioned substantially concentrically within the walls 18. Thereby the congealable liquid surrounds the air spaces 16 at all sides.

Both in the first and in the second modification, the air spaces may be separated as exemplified by Fig. 3 or may communicate through channels as exemplified by Fig. 4. Such channels may be formed by tubes 13 which pass tightly through the inner walls of adjacent compartments and through the wall portion 19 between these compartments. In the case illustrated by Fig. 3, one valve 4 is provided for the inflation of each air space 6. In the case illustrated by Fig. 4, only one valve 4 is required and may serve to inflate all air spaces 16 simultaneously.

In the third modification shown in Fig. 5, the outer walls 28 of the compartments are connected by thicker wall portions 29 which surround narrow passages connecting adjacent compartments. The inner walls 27 are similarly connected by thicker portions 25 which are spaced from the portions 29 and surround narrow passages connecting the air spaces 26. The outer walls form one unitary body, and the inner walls form another unitary body. The air spaces communicate with each other, and also the liquid-filled spaces between the inner and outer walls communicate. Only one valve 4 is needed, and all compartments can be filled with liquid by one injection.

In each of the described cases, the manufacture of the article may be facilitated by making the same of several, suitably divided parts which then are united, for example by the application of heat and pressure, into the shown configuration in which the dividing lines do no more appear. The co-ngealable liquid may be injected through the outer walls which are temporarily punctured for this purpose. After removal of the puncturing injector, the punctured holes disappear immediately, the same being sealed by the congealing liquid.

The re-inforced wall portions connecting the compartments are much less yielding than the other wall portions. Hence, when the air spaces are inflated, the resulting expansion of the walls is substantially limited to these other portions.

We desire it understood that our invention is not confined to the particular embodiments shown and described, the same being merely illustrative, and that our invention may be carried out in other ways within the scope of the 3 appended claims without departing from the spirit of our invention as it is obvious that the particular embodiments shown and described are only a few of the many that may be employed to attain the objects of our invention.

Having described the nature of our invention, what weclaim and desire to protect by Letters Patent is:

1. An article of manufacture comprising a plurality of compartments, each having an outer and an inner wall surrounding an air space, both said walls being made of thin collapsible and resiliently stretchable plastic material and, between them, including another space, and a congealable liquid filling said other space whereby inflation of said air space presses said liquid against said outer wall and expands both walls, and channels connecting the air space of one compartment with that of another compart ment whereby inflation of one compartment inflates also the other compartment, said channels forming integral extensions of said inner walls and being spaced from said outer walls whereby said spaces between said walls communicate.

2. An article of manufacture comprising a plurality of compartments, each having an outer and an inner wall surrounding an air space, both said walls being made of thin collapsible and resiliently stretchable plastic material and, between them, including another space, and a congealable liquid filling said other spaces, said other spaces communicating with each other whereby inflation of said air spaces presses said liquid under uniform pressure against said outer walls and expands both walls of all compartments.

References. Cited in the file of this patent UNITED. STATES PATENTS 755,747 Coile, Mar. 29, 1904 1,429,031 Harder Sept. 12, 1922 1,451,536 Davis et al. Apr. 10, 1923 2,443,440 Alvarez June 15, 1948 2,657,729 Hardman et a1 Nov. 3, 1953 FOREIGN PATENTS 22,301 Great Britain Feb. 19, 1903

US2718014A 1953-08-07 1953-08-07 Leakproof inflatable articles Expired - Lifetime US2718014A (en)

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Cited By (47)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2838768A (en) * 1955-05-04 1958-06-17 Fischett Charles Drain valve for plastic swimming pool
US2844271A (en) * 1955-03-14 1958-07-22 Continental Oil Co Pressure tank
US2990837A (en) * 1959-03-26 1961-07-04 Walton W Cushman Inflatable structure
US2995760A (en) * 1954-08-26 1961-08-15 O'brien Lois Mcgraw Built-in shower sprays
US3001207A (en) * 1957-07-17 1961-09-26 Walter P Nail Wading pool
US3054124A (en) * 1957-11-13 1962-09-18 Silverstone Joseph Inflatable structures
US3086753A (en) * 1960-10-24 1963-04-23 Walton W Cushman Combined shelter and pneumatic jack
US3170471A (en) * 1962-04-23 1965-02-23 Schnitzer Emanuel Inflatable honeycomb
US3278938A (en) * 1963-01-29 1966-10-11 Loral Electronics Corp Inflatable antenna
US3303615A (en) * 1965-02-12 1967-02-14 O'neal Larry Inflatable dock seal
US3359687A (en) * 1964-08-17 1967-12-26 Haveg Industries Inc Expansible seal
US3631544A (en) * 1970-09-21 1972-01-04 Award International Inc Inflatable wading pool or like article
US3660853A (en) * 1969-12-16 1972-05-09 Pneumatiques Caoutchouc Mfg Transportable tanks
US3670347A (en) * 1965-07-26 1972-06-20 Depuy Inc Therapeutic bed and bath
US4040210A (en) * 1976-06-01 1977-08-09 Land Edgel T Low cost storm window
US4335473A (en) * 1979-07-18 1982-06-22 Zodiac Water reservoirs, particularly swimming pools
US4398376A (en) * 1976-05-04 1983-08-16 Air-Tech Industries, Inc. Fabric panel unit
US4420922A (en) * 1980-12-18 1983-12-20 Pryce Wilson Structural section for containing a vacuum
US4535490A (en) * 1983-10-17 1985-08-20 The B. F. Goodrich Company Inflatable hot tub with cover
US4671024A (en) * 1986-04-07 1987-06-09 Schumacher Harold W Disposable drip pan for use under a vehicle
US4744112A (en) * 1986-08-20 1988-05-17 Keesling Jr Wiley E Collapsible solar-heated hot tub
US4893362A (en) * 1988-04-01 1990-01-16 Murphy Pierce M Portable spa
US5003653A (en) * 1990-08-09 1991-04-02 Mar Shih L Seat assembly
US5135440A (en) * 1989-11-22 1992-08-04 Marchon, Inc. System of water toys which may be assembled in play groupings
US5575738A (en) * 1995-06-12 1996-11-19 Hasbro, Inc. Exercise and play apparatus
US5826855A (en) * 1996-05-06 1998-10-27 The Little Tikes Company Plug for swimming pool
US5881402A (en) * 1996-03-25 1999-03-16 Devino; Dennis Michael Portable in-ground pool
US5946744A (en) * 1998-08-27 1999-09-07 Sportstuff, Inc. Inflatable swimming pool construction
US6467106B1 (en) * 1999-06-14 2002-10-22 Hill-Rom Services, Inc. Patient transfer apparatus
US6738993B2 (en) * 2001-01-31 2004-05-25 Sevylor International Above-ground self-supporting swimming pool
US20040107491A1 (en) * 2002-02-11 2004-06-10 Publicover Mark W Enclosure system
US20050000587A1 (en) * 2002-02-05 2005-01-06 Hirofumi Nakano Automatic air feeding mechanism for pneumatic tires, and pneumatic tire connecting device
US20060236461A1 (en) * 2005-02-17 2006-10-26 Jim Ryan Inflatable play pen and inflatable construction set
US20070000188A1 (en) * 2005-06-30 2007-01-04 Aleksandr Smushkovich Wind, hurricane, and cold protection devices
US20070111860A1 (en) * 1997-06-20 2007-05-17 Jumpsport, Inc. Enclosure system
US7225841B2 (en) * 2004-11-01 2007-06-05 Randall W. Folk Collapsible container for containing liquid, such as spent motor oil, and method of using same
US7234176B1 (en) * 2002-07-31 2007-06-26 Homecare Products, Inc. Inflatable shampoo basin
US20090145561A1 (en) * 2007-12-06 2009-06-11 Tennant Philip I Air Bag Protection System
US20090178191A1 (en) * 2005-10-18 2009-07-16 The Good Birth Company Limited Pool
US20100180373A1 (en) * 2009-01-18 2010-07-22 Davy Zide Qian Portable Bathtub Used in a Shower Room
US20100186165A1 (en) * 2009-01-28 2010-07-29 Marciano Ralph C Foldable mattress with integral carrying pouch
US20110225719A1 (en) * 2010-03-19 2011-09-22 Polygroup Macau Limited (Bvi) Expandable pool system
WO2012158918A1 (en) * 2011-05-17 2012-11-22 International Shelter Solutions LLC Method and apparatus for building a structure
US8434179B2 (en) * 2010-09-03 2013-05-07 Whitney Reeves Breathable infant bedding
US9095226B1 (en) * 2013-01-17 2015-08-04 Behdad M. Noorani Crib bumper assembly
CN105625758A (en) * 2014-11-18 2016-06-01 胡伟杰 Inflatable pool
US20160367081A1 (en) * 2014-02-28 2016-12-22 Oblomov Capital B.V. Inflatable bathtub

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US755747A (en) * 1903-04-04 1904-03-29 Henry P Coile Bath-tub.
US1429031A (en) * 1922-03-22 1922-09-12 Harder Paulli Puncture-healing tube
US1451536A (en) * 1921-11-05 1923-04-10 Solomon L Davis Tire tube
US2443440A (en) * 1946-07-03 1948-06-15 Alvarez Patent Corp Collapsible swimming and bathing pool
US2657729A (en) * 1950-06-27 1953-11-03 H V Hardman Company Inc Punctureproof tube and sealing material therefor

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US755747A (en) * 1903-04-04 1904-03-29 Henry P Coile Bath-tub.
US1451536A (en) * 1921-11-05 1923-04-10 Solomon L Davis Tire tube
US1429031A (en) * 1922-03-22 1922-09-12 Harder Paulli Puncture-healing tube
US2443440A (en) * 1946-07-03 1948-06-15 Alvarez Patent Corp Collapsible swimming and bathing pool
US2657729A (en) * 1950-06-27 1953-11-03 H V Hardman Company Inc Punctureproof tube and sealing material therefor

Cited By (58)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2995760A (en) * 1954-08-26 1961-08-15 O'brien Lois Mcgraw Built-in shower sprays
US2844271A (en) * 1955-03-14 1958-07-22 Continental Oil Co Pressure tank
US2838768A (en) * 1955-05-04 1958-06-17 Fischett Charles Drain valve for plastic swimming pool
US3001207A (en) * 1957-07-17 1961-09-26 Walter P Nail Wading pool
US3054124A (en) * 1957-11-13 1962-09-18 Silverstone Joseph Inflatable structures
US2990837A (en) * 1959-03-26 1961-07-04 Walton W Cushman Inflatable structure
US3086753A (en) * 1960-10-24 1963-04-23 Walton W Cushman Combined shelter and pneumatic jack
US3170471A (en) * 1962-04-23 1965-02-23 Schnitzer Emanuel Inflatable honeycomb
US3278938A (en) * 1963-01-29 1966-10-11 Loral Electronics Corp Inflatable antenna
US3359687A (en) * 1964-08-17 1967-12-26 Haveg Industries Inc Expansible seal
US3303615A (en) * 1965-02-12 1967-02-14 O'neal Larry Inflatable dock seal
US3670347A (en) * 1965-07-26 1972-06-20 Depuy Inc Therapeutic bed and bath
US3660853A (en) * 1969-12-16 1972-05-09 Pneumatiques Caoutchouc Mfg Transportable tanks
US3631544A (en) * 1970-09-21 1972-01-04 Award International Inc Inflatable wading pool or like article
US4398376A (en) * 1976-05-04 1983-08-16 Air-Tech Industries, Inc. Fabric panel unit
US4040210A (en) * 1976-06-01 1977-08-09 Land Edgel T Low cost storm window
US4335473A (en) * 1979-07-18 1982-06-22 Zodiac Water reservoirs, particularly swimming pools
US4420922A (en) * 1980-12-18 1983-12-20 Pryce Wilson Structural section for containing a vacuum
US4535490A (en) * 1983-10-17 1985-08-20 The B. F. Goodrich Company Inflatable hot tub with cover
US4671024A (en) * 1986-04-07 1987-06-09 Schumacher Harold W Disposable drip pan for use under a vehicle
US4744112A (en) * 1986-08-20 1988-05-17 Keesling Jr Wiley E Collapsible solar-heated hot tub
US4893362A (en) * 1988-04-01 1990-01-16 Murphy Pierce M Portable spa
US5135440A (en) * 1989-11-22 1992-08-04 Marchon, Inc. System of water toys which may be assembled in play groupings
US5003653A (en) * 1990-08-09 1991-04-02 Mar Shih L Seat assembly
US5575738A (en) * 1995-06-12 1996-11-19 Hasbro, Inc. Exercise and play apparatus
US5881402A (en) * 1996-03-25 1999-03-16 Devino; Dennis Michael Portable in-ground pool
US5826855A (en) * 1996-05-06 1998-10-27 The Little Tikes Company Plug for swimming pool
US20070111860A1 (en) * 1997-06-20 2007-05-17 Jumpsport, Inc. Enclosure system
US5946744A (en) * 1998-08-27 1999-09-07 Sportstuff, Inc. Inflatable swimming pool construction
US7032261B2 (en) 1999-06-14 2006-04-25 Hill-Rom Services, Inc. Patient transfer apparatus
US6467106B1 (en) * 1999-06-14 2002-10-22 Hill-Rom Services, Inc. Patient transfer apparatus
US7146660B2 (en) 1999-06-14 2006-12-12 Hill-Rom Services, Inc. Patient support pad with repositionable pressure source
US20040143902A1 (en) * 1999-06-14 2004-07-29 Heimbrock Richard H Patient transfer apparatus
US6820292B2 (en) 1999-06-14 2004-11-23 Hill-Rom Services, Inc. Patient transfer apparatus
US20060191070A1 (en) * 1999-06-14 2006-08-31 Heimbrock Richard H Patient support pad with repositionable pressure source
US20050102749A1 (en) * 1999-06-14 2005-05-19 Heimbrock Richard H. Patient transfer apparatus
US6701544B2 (en) 1999-06-14 2004-03-09 Hill-Rom Services, Inc. Patient transfer apparatus
US6738993B2 (en) * 2001-01-31 2004-05-25 Sevylor International Above-ground self-supporting swimming pool
US20050000587A1 (en) * 2002-02-05 2005-01-06 Hirofumi Nakano Automatic air feeding mechanism for pneumatic tires, and pneumatic tire connecting device
US20040107491A1 (en) * 2002-02-11 2004-06-10 Publicover Mark W Enclosure system
US7234176B1 (en) * 2002-07-31 2007-06-26 Homecare Products, Inc. Inflatable shampoo basin
US7225841B2 (en) * 2004-11-01 2007-06-05 Randall W. Folk Collapsible container for containing liquid, such as spent motor oil, and method of using same
US20060236461A1 (en) * 2005-02-17 2006-10-26 Jim Ryan Inflatable play pen and inflatable construction set
US20070000188A1 (en) * 2005-06-30 2007-01-04 Aleksandr Smushkovich Wind, hurricane, and cold protection devices
US20090178191A1 (en) * 2005-10-18 2009-07-16 The Good Birth Company Limited Pool
US20090145561A1 (en) * 2007-12-06 2009-06-11 Tennant Philip I Air Bag Protection System
US20100180373A1 (en) * 2009-01-18 2010-07-22 Davy Zide Qian Portable Bathtub Used in a Shower Room
US7818842B2 (en) * 2009-01-28 2010-10-26 Aqua-Leisure Industries, Inc. Foldable mattress with integral carrying pouch
US20100186165A1 (en) * 2009-01-28 2010-07-29 Marciano Ralph C Foldable mattress with integral carrying pouch
US20110225719A1 (en) * 2010-03-19 2011-09-22 Polygroup Macau Limited (Bvi) Expandable pool system
US8434179B2 (en) * 2010-09-03 2013-05-07 Whitney Reeves Breathable infant bedding
US9499970B2 (en) 2011-05-17 2016-11-22 International Shelter Solutions LLC Method and apparatus for building a structure
CN103781978A (en) * 2011-05-17 2014-05-07 防护解决方案国际有限公司 Method and apparatus for building a structure
CN103781978B (en) * 2011-05-17 2016-07-06 防护解决方案国际有限公司 The method of construction of the structure and means for
WO2012158918A1 (en) * 2011-05-17 2012-11-22 International Shelter Solutions LLC Method and apparatus for building a structure
US9095226B1 (en) * 2013-01-17 2015-08-04 Behdad M. Noorani Crib bumper assembly
US20160367081A1 (en) * 2014-02-28 2016-12-22 Oblomov Capital B.V. Inflatable bathtub
CN105625758A (en) * 2014-11-18 2016-06-01 胡伟杰 Inflatable pool

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