US2407455A - Liquid container - Google Patents
Liquid container Download PDFInfo
- Publication number
- US2407455A US2407455A US486894A US48689443A US2407455A US 2407455 A US2407455 A US 2407455A US 486894 A US486894 A US 486894A US 48689443 A US48689443 A US 48689443A US 2407455 A US2407455 A US 2407455A
- Authority
- US
- United States
- Prior art keywords
- envelope
- members
- liquid container
- container
- flexible
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B64—AIRCRAFT; AVIATION; COSMONAUTICS
- B64D—EQUIPMENT FOR FITTING IN OR TO AIRCRAFT; FLIGHT SUITS; PARACHUTES; ARRANGEMENTS OR MOUNTING OF POWER PLANTS OR PROPULSION TRANSMISSIONS IN AIRCRAFT
- B64D37/00—Arrangements in connection with fuel supply for power plant
- B64D37/02—Tanks
Definitions
- This invention relates to "liquid containers and more particularly to containers for the storage or fuelandthe like in aircraft, of the kind comprising an envelope of flexible-non-metallic material which is impervious to or which has been treated to render it impervious to petrol fuels.
- a fuel container comprising a collapsible envelope which is contained within a rigid structure, the said envelope being prevented from collapsing when empty or only partly filled by means of a plurality of flaps secured to the walls of the collapsible envelope and adapted to engage hooks secured to the rigid structure.
- this method of supporting the collapsible envelope is inapplicable in the case of such container which are not provided with a. substantially rigid external structure, and moreover even where a rigid external structure is employed, the hooks are liable to chaf and eventually puncture the material of theenvelope.
- the object of the present invention is to provide an improved liquid container of the kind described in which the aforesaid disadvantages are overcome in a simple and effective manner.
- an improved liquid container of the kind described in which a plurality of supporting members or struts are inserted between and secured to oppositely disposed portions of the container, the said members comprising flexible non-metallic material which is rolled, folded or otherwise fabricated to an elongated tubular or non-tubular structural form having a high moment of inertia of section in relation to the cross-sectional area of the said material consistent with stability of the wall.
- said members may comprise tubes of circular, rectangular, triangular or other cross section, with or without internal or external webs,
- ribs or the like may comprise non-tubular members of H-section, X-section, or other crosssectional form calculated to provide the required amount of support for the purposes of the invention.
- the said members may be formed by rolling or folding flexible sheet material to the required cross-section form, or may be formed by extrusion of a thermoplastic non-metallic material.
- the said flexible sheet material may be single or multi-ply,iand the members may comprise a single layer of sheet material or two or more superimposed layers thereof, secured together if desired by means ofan adhesive or mechanical or other securing means. It may conveniently comprise fabric material impregnated with a compound resistant to the action of the liquid tobe contained within the container.
- the members preferably possess a sufficient degree of resiliency, so that in the event of the accidental imposition of a heavy load they are able on release of the load to revert to their original condition without permanent deformation. They may be. disposed all in the Harborrection or some in diiierent directions to others, for example, some may be'arranged vertically and others horizontally with respect to the normal position of the container. Tubular members may also be pro: vided with small apertures in their walls to allow liquid to flow into or out of the space within the member, in order to equalise the pressure on both sides of the Wall and prevent the possibility of the exertion of a, crippling stress on the member due to the liquid pressure.
- the said members comprise tubes of circular cross section, their dimensions are preferably maintained wtihin the following limiting ratios, since we have found th optimum Wall stability for the purposes of the invention to be attained thereby:
- Wall thickness of tube y t y m 0 8 Length of tube outside diameter of tube By Way of example a cylindrical tube 20" in length for use in the construction of a fuel container in accordance with the invention is formed from 5-ply impregnated fabric material, the out,- sidediameter of the tube being 1.75" and its thickness T 6", while tubes less than 12" inlength are conveniently formed from 4-p1y material,-the outside diameter of the'tube being 1.25 and the thickness /8".
- the collapsing load for the supporting members ofrthe present invention may be'taken as proportional to INA, the moment of inertia of section about the neutral axis, for a given lengthof member, and the ratio INA/A, Where A is the cross-sectional area of the material .of the member, may be employed as a measure of the stability of the member for the purposes of the invention.
- the moment of inertia of section of the member must be relatively high in relation to the cross-sectional area of the material, but on the other hand not so high that the stability of the member is again reduced.
- Preferred limiting ratios may correspondingly be found for tubes of other than circular crosssection, and for members of non-tubular crosssection.
- Figure 1 is a sectional end elevation of a fuel container constructed in accordance with the invention.
- Figures 2-4 illustrate stages in the fabrication of internal supporting members for the container shown in Figure 1.
- a flexible envelope l for a fuel container comprises fabric material impregnated and coated with a synthetic rubber material known in the trade as neoprene.
- the said envelope may be manufactured in any con venient way, for example by tailoring and assembling suitably shaped pieces of the said fabric material.
- a plurality of supporting members 2 are provided in the interior of the envelope to prevent it collapsing when empty or only partially filled.
- the said members comprise cylindrical tubes which are manufactured from material similar to that employed for the envelope. In manufacturing the said members, an elongated strip of the fabric material is wound to form a spiral 3 around a suitable former (not shown in the drawing).
- a broad band 4 of the fabric material is then superimposed around the spiral, and is secured thereto by a suitable adhesive, for example a solution of neoprene in carbon tetrachloride.
- a suitable adhesive for example a solution of neoprene in carbon tetrachloride.
- the width of the said band is greater than the overall length of the spiral, and consequently when superimposed on the spiral, a portion extends over each end of the spiral, a portion extends over each end of the The extended portions are cut to form a series of serrations 5, which serrations are then deflected radially outwards in the manner of spokes 6.
- Apertured discs I of the aforesaid fabric material are then secured to the spokes 6 by are then inserted and disposed in suitably spaced relation within the envelope, and the end discs 1 adhesively and/or mechanically secured to the upper and lower portions of the envelope.
- the envelope may be provided with a selfsealing cover (not
- a liquid container which includes an envelope of flexible non-metallic material, a plurality of supporting members inserted between and secured to oppositely disposed portions of the envelope, said supporting members each comprising a flexible tubular core of spirally wound non-metallic material, a surrounding sheath extending longitudinally beyond the ends of said core, slit at its ends and formed as radially extending fingers defining end flanges, a pair of annuli secured. on opposite surfaces to said end flanges and. to opposite walls of said envelope, respectively, whereby said envelope is supported against tensional and compressional stresses.
- a liquid container which includes an envelope formed entirely of flexible non-metallic material, a plurality of flexible, spaced, separate supporting members formed entirely of flexible non-metallic material inserted between and secured at their ends to oppositely disposed portions of the envelope, said supporting members being of an elongated, hollow, preformed, column-like structure and extending continuously from one wall to the opposite wall of the container, said supporting members preventing collapse of the container when empty or partially filled.
- a liquid container which includes an envelope of flexible non-metallic material, a plurality of flexible supporting members inserted Wall thickness of tube outside diameter of tube O Length of tube 7 outside diameter of tube whereby said envelope'is supported against tensional and compressional stresses.
- a liquid container in accordance with claim 2 in which the non-metallic material of the flex- less than 12 ible supporting members comprises a fabric impregnated with a substance resistant to the action of the contained liquid.
- a liquid container in accordance with claim 2 in which the flexible supporting members are fabricated from a plurality of superimposed layers of flexible non-metallic material.
Description
ep 10, SHAKESBY ET AL I 2,407,455
- LIQUID CONTAINER I Filed May 15, 1943 I v I Invenfvr! L e onard S/mkesby and Syd/7e y H- Sm/fh I The/r- Ar roi'ney Patented Sept. 10, 1946 I UNITED stars-s PATENT orrics Y LIQUID CONTAINER Application May .13, 1943, Serial No. 486,894
In GreatBritain Aprili3, 1942 v 9 Claims. (Cl. 220-71.)
This inventionrelates to "liquid containers and more particularly to containers for the storage or fuelandthe like in aircraft, of the kind comprising an envelope of flexible-non-metallic material which is impervious to or which has been treated to render it impervious to petrol fuels.
It has already been pro-posed to provide a fuel container comprising a collapsible envelope which is contained Within a rigid structure, the said envelope being prevented from collapsing when empty or only partly filled by means of a plurality of flaps secured to the walls of the collapsible envelope and adapted to engage hooks secured to the rigid structure. However, this method of supporting the collapsible envelope is inapplicable in the case of such container which are not provided with a. substantially rigid external structure, and moreover even where a rigid external structure is employed, the hooks are liable to chaf and eventually puncture the material of theenvelope.
The object of the present invention is to provide an improved liquid container of the kind described in which the aforesaid disadvantages are overcome in a simple and effective manner.
According to the present invention we provide an improved liquid container of the kind described in which a plurality of supporting members or struts are inserted between and secured to oppositely disposed portions of the container, the said members comprising flexible non-metallic material which is rolled, folded or otherwise fabricated to an elongated tubular or non-tubular structural form having a high moment of inertia of section in relation to the cross-sectional area of the said material consistent with stability of the wall.
Thus the said members may comprise tubes of circular, rectangular, triangular or other cross section, with or without internal or external webs,
ribs or the like, or may comprise non-tubular members of H-section, X-section, or other crosssectional form calculated to provide the required amount of support for the purposes of the invention. The said members may be formed by rolling or folding flexible sheet material to the required cross-section form, or may be formed by extrusion of a thermoplastic non-metallic material. The said flexible sheet material may be single or multi-ply,iand the members may comprise a single layer of sheet material or two or more superimposed layers thereof, secured together if desired by means ofan adhesive or mechanical or other securing means. It may conveniently comprise fabric material impregnated with a compound resistant to the action of the liquid tobe contained within the container. .The members preferably possess a sufficient degree of resiliency, so that in the event of the accidental imposition of a heavy load they are able on release of the load to revert to their original condition without permanent deformation. They may be. disposed all in the samedirection or some in diiierent directions to others, for example, some may be'arranged vertically and others horizontally with respect to the normal position of the container. Tubular members may also be pro: vided with small apertures in their walls to allow liquid to flow into or out of the space within the member, in order to equalise the pressure on both sides of the Wall and prevent the possibility of the exertion of a, crippling stress on the member due to the liquid pressure.
When the said members comprise tubes of circular cross section, their dimensions are preferably maintained wtihin the following limiting ratios, since we have found th optimum Wall stability for the purposes of the invention to be attained thereby:
Wall thickness of tube y t y m 0 8 Length of tube outside diameter of tube By Way of example a cylindrical tube 20" in length for use in the construction of a fuel container in accordance with the invention is formed from 5-ply impregnated fabric material, the out,- sidediameter of the tube being 1.75" and its thickness T 6", while tubes less than 12" inlength are conveniently formed from 4-p1y material,-the outside diameter of the'tube being 1.25 and the thickness /8".
The collapsing load for the supporting members ofrthe present invention may be'taken as proportional to INA, the moment of inertia of section about the neutral axis, for a given lengthof member, and the ratio INA/A, Where A is the cross-sectional area of the material .of the member, may be employed as a measure of the stability of the member for the purposes of the invention.
Thus for a cylindrical tube this ratio is where D is the external and d the internal diameter of the tube, and substituting the first of the above-mentioned limiting ratios there are obtained the following limits:
less than 12 member of circular cross-section which may be resolved into a corresponding series of members of elliptical cross-section With the same thickness by deformation. Taking the two examples of spiral.
progressive flattening of the said. cylindrical tubes, the cross-sectional area of the material of the tubes remaining substantially constant, it is found that these values diminish rapidly and even when the degree of flattening is only such that the ratio of the major to the minor axis of the ellipse is about 1.5, the values of I/A are already below the lower limits given above for the respective cylindrical tubes.
Again, as the diameter of a tubular cylindrical member is increased, the thickness of the material remaining constant, the values of I/A will increase beyond the preferred maximum limit and the member will be unstable for the purposes of the present invention.
In other words the moment of inertia of section of the member must be relatively high in relation to the cross-sectional area of the material, but on the other hand not so high that the stability of the member is again reduced.
The above considerations have been based on a constant length of tube: the stability of the memmeans of the aforesaid adhesive. Small apertures 8 are formed in the cylindrical portion of the said members to allow fuel to flow into or out jof the space within the members. The members ber will of course be further influenced by its length, which will be determined in accordance with the second of the above-mentioned limiting ratios.
Preferred limiting ratios may correspondingly be found for tubes of other than circular crosssection, and for members of non-tubular crosssection.
One preferred embodiment of our invention is illustrated in the accompanying drawing in which Figure 1 is a sectional end elevation of a fuel container constructed in accordance with the invention.
Figures 2-4 illustrate stages in the fabrication of internal supporting members for the container shown in Figure 1.
Referring to the drawing, a flexible envelope l for a fuel container comprises fabric material impregnated and coated with a synthetic rubber material known in the trade as neoprene. The said envelope may be manufactured in any con venient way, for example by tailoring and assembling suitably shaped pieces of the said fabric material. A plurality of supporting members 2 are provided in the interior of the envelope to prevent it collapsing when empty or only partially filled. The said members comprise cylindrical tubes which are manufactured from material similar to that employed for the envelope. In manufacturing the said members, an elongated strip of the fabric material is wound to form a spiral 3 around a suitable former (not shown in the drawing). A broad band 4 of the fabric material is then superimposed around the spiral, and is secured thereto by a suitable adhesive, for example a solution of neoprene in carbon tetrachloride. The width of the said band is greater than the overall length of the spiral, and consequently when superimposed on the spiral, a portion extends over each end of the The extended portions are cut to form a series of serrations 5, which serrations are then deflected radially outwards in the manner of spokes 6. Apertured discs I of the aforesaid fabric material are then secured to the spokes 6 by are then inserted and disposed in suitably spaced relation within the envelope, and the end discs 1 adhesively and/or mechanically secured to the upper and lower portions of the envelope. If desired, the envelope may be provided with a selfsealing cover (not shown) of any convenient known form, for example a cover incorporating one or more layers of swellable rubber composition.
It is to be understood that wherever the phrase whereby said envelope is supported against tensional and compressional stresses appears in the claims, we mean that the supporting members have both suflicient rigidity to withstand the stresses encountered in normal operation of the container and sufficient resiliency to yield to an abnormal load and revert to their original condition on release of the load.
We claim:
1. In a liquid container which includes an envelope of flexible non-metallic material, a plurality of supporting members inserted between and secured to oppositely disposed portions of the envelope, said supporting members each comprising a flexible tubular core of spirally wound non-metallic material, a surrounding sheath extending longitudinally beyond the ends of said core, slit at its ends and formed as radially extending fingers defining end flanges, a pair of annuli secured. on opposite surfaces to said end flanges and. to opposite walls of said envelope, respectively, whereby said envelope is supported against tensional and compressional stresses.
2. In a liquid container which includes an envelope formed entirely of flexible non-metallic material, a plurality of flexible, spaced, separate supporting members formed entirely of flexible non-metallic material inserted between and secured at their ends to oppositely disposed portions of the envelope, said supporting members being of an elongated, hollow, preformed, column-like structure and extending continuously from one wall to the opposite wall of the container, said supporting members preventing collapse of the container when empty or partially filled.
3. A liquid container in accordance with claim 2, in which the flexible, hollow supporting members have apertures therein in communication with the hollow interior of the envelope.
4. In a liquid container which includes an envelope of flexible non-metallic material, a plurality of flexible supporting members inserted Wall thickness of tube outside diameter of tube O Length of tube 7 outside diameter of tube whereby said envelope'is supported against tensional and compressional stresses.
5. A liquid container in accordance with claim 2 in which the non-metallic material of the flex- =less than 12 ible supporting members comprises a fabric impregnated with a substance resistant to the action of the contained liquid.
6. A liquid container in accordance with claim 2 in which the flexible supporting members are fabricated from a plurality of superimposed layers of flexible non-metallic material.
7 A liquid container in accordance with claim 2 in which the flexible non-metallic material of the flexible supporting members comprises a thermoplastic material.
8. A liquid container in accordance with claim 2 in which the flexible supporting members are 10 provided with radial fingers for securement to the walls of said envelope.
9. In a liquid container which includes an en-
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
GB2407455X | 1942-04-03 |
Publications (1)
Publication Number | Publication Date |
---|---|
US2407455A true US2407455A (en) | 1946-09-10 |
Family
ID=10906054
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US486894A Expired - Lifetime US2407455A (en) | 1942-04-03 | 1943-05-13 | Liquid container |
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Country | Link |
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US (1) | US2407455A (en) |
Cited By (21)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2574983A (en) * | 1947-08-12 | 1951-11-13 | Arthur W Reed | Beverage case |
US3664072A (en) * | 1969-04-26 | 1972-05-23 | Bran & Luebbe | Vertical cylindrical silo with wall of flexible material |
US4724293A (en) * | 1984-06-28 | 1988-02-09 | Nagron Steel & Aluminium | Method of making a pressure vessel |
US5467735A (en) * | 1994-06-08 | 1995-11-21 | Blitz U.S.A., Inc. | Automatic pet feeder |
US20040011786A1 (en) * | 2001-04-20 | 2004-01-22 | Wade Wayne Allen | Thermoplastic molded tank |
US20040134920A1 (en) * | 2003-01-14 | 2004-07-15 | Baron Richard D. | Plastic bottle with extendable internal support |
US20040188447A1 (en) * | 2002-01-23 | 2004-09-30 | Todd Bolzer | Underground storage tank |
US20090217677A1 (en) * | 2005-12-02 | 2009-09-03 | Youn-Ok Shin | Freezing and storage container for biopharmaceutical drug products |
US20110139128A1 (en) * | 2010-06-15 | 2011-06-16 | Ford Global Technologies, Llc | Fuel delivery module reinforced fuel tank |
US20110226777A1 (en) * | 2010-03-16 | 2011-09-22 | Fts Co., Ltd. | Fuel tank for motor vehicle |
US20120037638A1 (en) * | 2009-04-23 | 2012-02-16 | Inergy Automotive Systems Research (Societe Anonyme) | Plastic fuel tank with improved creep resistance and method for the manufacture thereof |
US20120325822A1 (en) * | 2011-06-24 | 2012-12-27 | Magna Steyr Fuel Systems Gesmbh | Fuel reservoir for a motor vehicle |
CN103596790A (en) * | 2011-04-12 | 2014-02-19 | 英瑞杰汽车系统研究公司 | Fuel tank with improved mechanical resistance |
US20150014307A1 (en) * | 2013-07-10 | 2015-01-15 | Magna Steyr Fuel Systems Gesmbh | Tie rod, plastic tank and method for manufactoring a plastic tank |
US20150217635A1 (en) * | 2013-02-07 | 2015-08-06 | Fts Co., Ltd. | Automobile fuel tank |
US20150232226A1 (en) * | 2012-10-02 | 2015-08-20 | Kautex Textron Gmbh & Co. Kg | Container of thermoplastic material |
US20150344183A1 (en) * | 2013-02-27 | 2015-12-03 | Kautex Textron Gmbh & Co. Kg | Fuel tank |
US20160243930A1 (en) * | 2013-10-25 | 2016-08-25 | Plastic Omnium Advanced Innovation And Research | Tank comprising a reinforcement member and method for manufacturing such a reinforcement member |
US20180079299A1 (en) * | 2015-04-15 | 2018-03-22 | Yachiyo Industry Co., Ltd. | Fuel Tank |
US10525825B2 (en) * | 2016-07-18 | 2020-01-07 | Deere & Company | Vehicle having a vehicle tank and reinforcement for a vehicle tank |
US11370296B2 (en) * | 2016-10-07 | 2022-06-28 | Kautex Textron Gmbh & Co. Kg | Stiffening element for a liquid container for a motor vehicle and liquid container for a motor vehicle with a stiffening element |
-
1943
- 1943-05-13 US US486894A patent/US2407455A/en not_active Expired - Lifetime
Cited By (31)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2574983A (en) * | 1947-08-12 | 1951-11-13 | Arthur W Reed | Beverage case |
US3664072A (en) * | 1969-04-26 | 1972-05-23 | Bran & Luebbe | Vertical cylindrical silo with wall of flexible material |
US4724293A (en) * | 1984-06-28 | 1988-02-09 | Nagron Steel & Aluminium | Method of making a pressure vessel |
US5467735A (en) * | 1994-06-08 | 1995-11-21 | Blitz U.S.A., Inc. | Automatic pet feeder |
US20040011786A1 (en) * | 2001-04-20 | 2004-01-22 | Wade Wayne Allen | Thermoplastic molded tank |
US20040188447A1 (en) * | 2002-01-23 | 2004-09-30 | Todd Bolzer | Underground storage tank |
US20040134920A1 (en) * | 2003-01-14 | 2004-07-15 | Baron Richard D. | Plastic bottle with extendable internal support |
US6779678B2 (en) | 2003-01-14 | 2004-08-24 | Vitality Foodservice, Inc. | Plastic bottle with extendable internal support |
US20090217677A1 (en) * | 2005-12-02 | 2009-09-03 | Youn-Ok Shin | Freezing and storage container for biopharmaceutical drug products |
US20120037638A1 (en) * | 2009-04-23 | 2012-02-16 | Inergy Automotive Systems Research (Societe Anonyme) | Plastic fuel tank with improved creep resistance and method for the manufacture thereof |
US8608011B2 (en) * | 2010-03-16 | 2013-12-17 | Fts Co., Ltd. | Fuel tank for motor vehicle |
US20110226777A1 (en) * | 2010-03-16 | 2011-09-22 | Fts Co., Ltd. | Fuel tank for motor vehicle |
US8596249B2 (en) | 2010-06-15 | 2013-12-03 | Ford Global Technologies, Llc | Fuel delivery module reinforced fuel tank |
US20110139128A1 (en) * | 2010-06-15 | 2011-06-16 | Ford Global Technologies, Llc | Fuel delivery module reinforced fuel tank |
US9027781B2 (en) * | 2011-04-12 | 2015-05-12 | Inergy Automotive Systems Research (Sociate Anonyme) | Fuel tank with improved mechanical resistance |
CN103596790A (en) * | 2011-04-12 | 2014-02-19 | 英瑞杰汽车系统研究公司 | Fuel tank with improved mechanical resistance |
US20140158696A1 (en) * | 2011-04-12 | 2014-06-12 | Inergy Automotive Systems Research (Societe Anonyme) | Fuel tank with improved mechanical resistance |
US20120325822A1 (en) * | 2011-06-24 | 2012-12-27 | Magna Steyr Fuel Systems Gesmbh | Fuel reservoir for a motor vehicle |
US20150232226A1 (en) * | 2012-10-02 | 2015-08-20 | Kautex Textron Gmbh & Co. Kg | Container of thermoplastic material |
US9617034B2 (en) * | 2012-10-02 | 2017-04-11 | Kautex Textron Gmbh & Co. Kg | Container of thermoplastic material |
US20150217635A1 (en) * | 2013-02-07 | 2015-08-06 | Fts Co., Ltd. | Automobile fuel tank |
US20150344183A1 (en) * | 2013-02-27 | 2015-12-03 | Kautex Textron Gmbh & Co. Kg | Fuel tank |
US9731866B2 (en) * | 2013-02-27 | 2017-08-15 | Kautex Textron Gmbh & Co. Kg | Fuel tank with supporting element |
US9090156B2 (en) * | 2013-07-10 | 2015-07-28 | Magna Steyr Fuel Systems Gesmbh | Tie rod, plastic tank and method for manufacturing a plastic tank |
US20150014307A1 (en) * | 2013-07-10 | 2015-01-15 | Magna Steyr Fuel Systems Gesmbh | Tie rod, plastic tank and method for manufactoring a plastic tank |
US20160243930A1 (en) * | 2013-10-25 | 2016-08-25 | Plastic Omnium Advanced Innovation And Research | Tank comprising a reinforcement member and method for manufacturing such a reinforcement member |
US10752107B2 (en) * | 2013-10-25 | 2020-08-25 | Plastic Omnium Advanced Innovation And Research | Tank comprising a reinforcement member and method for manufacturing such a reinforcement member |
US20180079299A1 (en) * | 2015-04-15 | 2018-03-22 | Yachiyo Industry Co., Ltd. | Fuel Tank |
US9937788B1 (en) * | 2015-04-15 | 2018-04-10 | Yachiyo Industry Co., Ltd. | Fuel tank |
US10525825B2 (en) * | 2016-07-18 | 2020-01-07 | Deere & Company | Vehicle having a vehicle tank and reinforcement for a vehicle tank |
US11370296B2 (en) * | 2016-10-07 | 2022-06-28 | Kautex Textron Gmbh & Co. Kg | Stiffening element for a liquid container for a motor vehicle and liquid container for a motor vehicle with a stiffening element |
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