USRE19537E - Tank car - Google Patents
Tank car Download PDFInfo
- Publication number
- USRE19537E USRE19537E US19537DE USRE19537E US RE19537 E USRE19537 E US RE19537E US 19537D E US19537D E US 19537DE US RE19537 E USRE19537 E US RE19537E
- Authority
- US
- United States
- Prior art keywords
- tank
- shell
- projections
- car
- dome
- 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
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Classifications
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B61—RAILWAYS
- B61D—BODY DETAILS OR KINDS OF RAILWAY VEHICLES
- B61D5/00—Tank wagons for carrying fluent materials
Definitions
- Tanks for such ladings and having linings have been used in some instances but have p: esented difficulties' due particularly to the contracting and expanding of the tanks.
- My primary object is to provide a tank car wherein the lading will not contact with the steel portion of the tank but with an inner container portion of such material that objectionable action of the lading and the metal of the container one on the other will be avoided, which may be manufactured relatively economically, will be highly suited for its intended purpose, and the contracting and expanding of which will not set up undesirable stresses in he inner container portion.
- Figure l is a view in side elevation of a tank car embodying my invention.
- Figure 2 is a view in longitudinal sectional elevation of one end of the tank car.
- Figure 3 is a similar view of the other end of the tank car.
- Figure 5 is an enlarged section taken at the line 5 on Fig. 1 and viewed in the direction of the arrow.
- Figure 6 is a view in side elevation of a modification of the tank portion of the car and constituting another embodiment of my invention.
- Figure 7 is an end view of the tank of Fig. 6;
- 9 represents the underframe of-the car which may be of any desirable construction, that shown being of the common center still type comprising, generally stated, a center sill II], suitably supported at its ends on bolsters I I which, in turn, are supported on trucks in accordance with common practice the Wheels of which are represented at I2.
- the car also comprises a cylindrical tank structure represented at I3 supported on its side on the bolsters I I and extending lengthwise of the underframe. with seating blocks I4 shown as interposed between these parts; the tank structure being 8 Claims. (01. 220-9) held on the underframe by any suitable means as are commonly provided for preventing or restricting relative longitudinal movement of the tank structure and the underframe.
- the tank structure comprises an outer tank I5 I and an inner tank I6.
- the outer tank or shell I5 which is constructed of steel to meet the standards required for the tanks of tank cars as commonly provided, comprises a main cylindrical portion IT, a head I8 at one end of the portion I! in accordance with common practice and a head I9 at the other end of the portion I I set into the latter and formed with an outwardly extending continuous peripheral flange 20 at which it is riveted, as represented at 20, to the side portion H, the tank I5 having a dome portion 2 I provided with a vent 22 in accordance with common practice.
- the inner shell I6 which is constructed of relatively thin gage metal of such kind as will not be affected by the lading and will not'afiect the latter, the sections forming the body portion of this shell being preferably welded together, is of cylindrical form with its ends closed and provided with a dome-portion 23 having a vent-trap 23, the shell I6 being of smaller size than the tank I5 and preferably formed with corrugated portions 24 as represented.
- the shell I6 is spaced throughout its extent from the tank I5, and-filling the space therebetween is filler and anchoring material 25 of any desirable kind as for example; and by preference, asphalt or cement mixed with heat-insulating material such as asbestos fiber.
- the shell I6 is preferably provided at opposite sides of its center with pairs of arcuate angle irons 26 extending into the space between the tank I5 and shell I5 at the bottom 01 the tank structure.
- the shell I6, minus its dome as, is introduced endwise into the left-hand end of the tank I5 in Figs. 1 and 2, the head l9 being unassembled with the cylindrical portion I1, and slid completely into the tank in the spaced relation thereto shown in Figs. 2, 3 and 4, on filler blocks IS previously positioned on the bottom of the tank i5. on the cylinder portion l'Land the domes 2! and 23 applied to, and secured in, the positions shown in Fig. l,- the dome 23 being applied first.
- the space between the tank I5 and shell I5 is then filled with the material 25 up to substantially the level shown in Fig.4, the shell l6 having been previously filled with hot wa-
- the head is then secured in'placel ter or steam to heat it when the material 25 is of such nature, as for example asphalt, that it is required to be heated for rendering it in a condition for introduction into the space referred to and the hot water or steam as the case may be being then removed, the material 25 becoming set.
- the filler-material 25 serves as a means for anchoring the shell l6 and also in the example of material above set forth serves as means for insulating the inner shell from the atmosphere, the provision of the projections 26 being desirable as they operate in conjunction with the filler material 25 to augment the anchoring of the inner shell.
- the inner shell is preferably provided with the corrugations 24 as thereby anchorage of the inner shell is still further augmented and expansion of this shell compensated for.
- Filler blocks represented at l6 are preferably positioned between the tank and shell to ensure the proper positioning of the inner shell during the time that the filler material is in fluid condition.
- FIG. 6 wherein the invention is embodied in a tank car of desirable construction where the tank need not be pressure tight, it comprises an outer cylindrical tank '21 and an inner cylindrical shell 28 supported in spaced. relation in the tank 21 as in the case of the construction of the preceding figures.
- the tank 21 is formed of two main body sections 29 and 33 extending the full length of the tank structure with the joint 3
- the inner shell may be of the same form and construction as the shell l6 of the preceding figures, but the dome of which (not shown) may be welded, if desired, instead of riveted, to the body portion of shell 28.
- the parts of the tank structure are assembled by lowering the inner shell into the lower section 3
- the section 25 is, then lowered onto the lower section 33 and these sections secured together 'bY the rivets 34.
- the shell 23 by preference is provided with pairs of projections 35 preferably at opposite sides of its center as explained of the preceding fi ures'and preferably the outer tank is provided on its inner surface with similar inwardly extend-v ing projections, one for each pair of projections 35, and one of which is shown at 36, the projections 36 being located'between the projections 35 of each pair thereof and in spaced relation thereto, as shown of the one projection 36, the projections 35 and 36 thus becoming embedded in the filler material 34.
- the tank l of Figs. 1-5 may be provided with projections corresponding with the projections 36 in which case the tank [5 and shell [6 would be provided of such diameters that the inner shell may be inclined, with respect to the outer tank, at such an angle as to permit the projections 35 to clear the projections 36 in the insertion of the shell I 6 endwise into the tank l5.
- a tank-car structure comprising an outer tank, a shell located in said tank in spaced relation thereto, a projection on the outer surface of said shell extending crosswise thereof and initially plastic filler material located between said tank and shell and'into which said projection extends, said projection being movable with said shell against the filler material.
- a tank-car structure comprising an outer tank, a shell located in said tank in spaced relation thereto, spaced apart projections on the outer surface of said shell and extending crosswise thereof and initially plastic filler material located between said tank and shell and into which said projections extend, said projections being movable with said shell against the filler material.
- a tank-car structure comprising an outer tank, a shell located in said tank in spaced relation thereto, a projection on the outer surface of said shell extending crosswise thereof and settable filler material located between said tank and shell and into which said projection extends, said projection being movable with said shell against the filler material.
- a tank-car structure comprising an outer tank, a shell located in said tank in spaced relation thereto, a projection on the outer surface of said shell extending crosswise thereof, a projection on the inner surface of said tank and extending crosswise thereof and opposing said first-referred-to projection in spaced relation thereto, and filler material located between said tank and shell and between said projections and into which said projections extend, the projection on said shell being movable therewith against the filler material.
- a tank-car structure comprising an outer tank, a second tank located in said first-referredto tank in spaced relation thereto, projections on the outer surface of said second tank and the inner surface of said outer tank and extending crosswise of said tanks, one of said tanks having two of said projections spaced apart and the other of said projections extending between said spaced-apart projections and out of contact therewith, and filler material located between said tanks and between said projections and into which said projections extend, the projections on said second tank being movable therewith against the filler material.
- the method of assembling the inner andouter dome equipped tanks of a double-tank structure which consists in introducing the inner tank, without its dome, endwise into the outer tank open at one end, to become positioned in the outer tank with its side wall in spaced relation to the surrounding side wall of the outer tank, and thereafter closing the open end of the outer tank and inserting the dome for the inner tank through the dome of the outer tank and securing it in position on the inner tank.
Landscapes
- Engineering & Computer Science (AREA)
- Transportation (AREA)
- Mechanical Engineering (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Filling Or Discharging Of Gas Storage Vessels (AREA)
Description
R. C. PIERCE TANK CAR Original F'iled- Jan. 8, 1931 5 Sheets-Sheet 1 Ia mand Cf lerce 0 fi a 0 0 o 0 n O 0 0 0 0 0 0 0 0 0 0 0 0 0 D 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 0 o 0 0 0 0 O 0 0 0 0 0 0 0 0 a c o .0 0 cm H o o o 0 0 o o 0 0o mw 0 o m o 0 U 0 0 o o 0M M on 0 R. C. PIERCE Re. 19,537v
I TANK C AR April 16, 1935.
Original Filed Jan. 8, 1931 s'sn ets-she t 2 Inn/"nun" I,
\n T WW 4 r April 16, 1935. R. c. PIERCE Re. 19,537
TANK CAR Original Fild Jan. 1931 5 Sheets-Sheet 5 R. C. PIERCE TANK CAR 5 Sheets-Shet 4 Original Filed Jan. 8, 1931 arce far 62 A ril 16, 1935.
A ril 16, 1935. R. c. PIERCE I Re. 19,537
TANK CAR' Original Filed Jan. 8, 1951 5 Sheets-Sheet 5 fa man Z I Gfzlerce;
Reissued Apr. 16, 1935 UNITED STATES PATENT OFFICE TANK CAR Raymond 8. Pierce, Chicago, Ill., assignor to General American Tank Car Corporation, Chicago, 111., a corporation of West Virginia Original No. 1,988,808, dated January 22, 1935,
Serial No. 507,488, January 8, 1931. Application for reissue February 20, 1935, Serial No.
cause of the chemical action of the ladings on the steel or the deleterious action of the steel on the ladings.
Tanks for such ladings and having linings have been used in some instances but have p: esented difficulties' due particularly to the contracting and expanding of the tanks.-
My primary object is to provide a tank car wherein the lading will not contact with the steel portion of the tank but with an inner container portion of such material that objectionable action of the lading and the metal of the container one on the other will be avoided, which may be manufactured relatively economically, will be highly suited for its intended purpose, and the contracting and expanding of which will not set up undesirable stresses in he inner container portion.
Referring to the accompanying drawings:
Figure l is a view in side elevation of a tank car embodying my invention.
Figure 2 is a view in longitudinal sectional elevation of one end of the tank car.
Figure 3 is a similar view of the other end of the tank car.
Figure 4 is a similar view of the central portion of the tank car.
Figure 5 is an enlarged section taken at the line 5 on Fig. 1 and viewed in the direction of the arrow.
Figure 6 is a view in side elevation of a modification of the tank portion of the car and constituting another embodiment of my invention.
Figure 7 is an end view of the tank of Fig. 6; and
Figure 8, an enlarged broken view in longitudinal sectional elevation of the lower portion of the tank of Figs. 6 and 7. 7/
Referring to the construction shown in Figs. 1-5, inclusive, 9 represents the underframe of-the car which may be of any desirable construction, that shown being of the common center still type comprising, generally stated, a center sill II], suitably supported at its ends on bolsters I I which, in turn, are supported on trucks in accordance with common practice the Wheels of which are represented at I2.
The car also comprises a cylindrical tank structure represented at I3 supported on its side on the bolsters I I and extending lengthwise of the underframe. with seating blocks I4 shown as interposed between these parts; the tank structure being 8 Claims. (01. 220-9) held on the underframe by any suitable means as are commonly provided for preventing or restricting relative longitudinal movement of the tank structure and the underframe.
The tank structure comprises an outer tank I5 I and an inner tank I6. The outer tank or shell I5, which is constructed of steel to meet the standards required for the tanks of tank cars as commonly provided, comprises a main cylindrical portion IT, a head I8 at one end of the portion I! in accordance with common practice and a head I9 at the other end of the portion I I set into the latter and formed with an outwardly extending continuous peripheral flange 20 at which it is riveted, as represented at 20, to the side portion H, the tank I5 having a dome portion 2 I provided with a vent 22 in accordance with common practice.
The inner shell I6, which is constructed of relatively thin gage metal of such kind as will not be affected by the lading and will not'afiect the latter, the sections forming the body portion of this shell being preferably welded together, is of cylindrical form with its ends closed and provided with a dome-portion 23 having a vent-trap 23, the shell I6 being of smaller size than the tank I5 and preferably formed with corrugated portions 24 as represented.
The shell I6 is spaced throughout its extent from the tank I5, and-filling the space therebetween is filler and anchoring material 25 of any desirable kind as for example; and by preference, asphalt or cement mixed with heat-insulating material such as asbestos fiber.
The shell I6 is preferably provided at opposite sides of its center with pairs of arcuate angle irons 26 extending into the space between the tank I5 and shell I5 at the bottom 01 the tank structure.
In the manufacture of the tank structure, the shell I6, minus its dome as, is introduced endwise into the left-hand end of the tank I5 in Figs. 1 and 2, the head l9 being unassembled with the cylindrical portion I1, and slid completely into the tank in the spaced relation thereto shown in Figs. 2, 3 and 4, on filler blocks IS previously positioned on the bottom of the tank i5. on the cylinder portion l'Land the domes 2! and 23 applied to, and secured in, the positions shown in Fig. l,- the dome 23 being applied first.
The space between the tank I5 and shell I5 is then filled with the material 25 up to substantially the level shown in Fig.4, the shell l6 having been previously filled with hot wa- The head is is then secured in'placel ter or steam to heat it when the material 25 is of such nature, as for example asphalt, that it is required to be heated for rendering it in a condition for introduction into the space referred to and the hot water or steam as the case may be being then removed, the material 25 becoming set. s
It will be understood from the foregoing that the shell 16 is embedded in the filler-material 25 and thus the contracting of the tank-structure will not subject the inner shell to objectionable stresses.
Furthermore, the filler-material 25 serves as a means for anchoring the shell l6 and also in the example of material above set forth serves as means for insulating the inner shell from the atmosphere, the provision of the projections 26 being desirable as they operate in conjunction with the filler material 25 to augment the anchoring of the inner shell.
The inner shell is preferably provided with the corrugations 24 as thereby anchorage of the inner shell is still further augmented and expansion of this shell compensated for.
Filler blocks represented at l6 are preferably positioned between the tank and shell to ensure the proper positioning of the inner shell during the time that the filler material is in fluid condition. I
Referring to the construction shown in Figs. 6, 7 and 8, wherein the invention is embodied in a tank car of desirable construction where the tank need not be pressure tight, it comprises an outer cylindrical tank '21 and an inner cylindrical shell 28 supported in spaced. relation in the tank 21 as in the case of the construction of the preceding figures.
The tank 21 is formed of two main body sections 29 and 33 extending the full length of the tank structure with the joint 3| between these sections extending lengthwise of the structure, the sections 29 and 36 being provided at the joint 3| with continuous outwardly projecting flanges 32 and 33, respectively, at which these sections are secured together, as by the rivets represented at 34.
The inner shell may be of the same form and construction as the shell l6 of the preceding figures, but the dome of which (not shown) may be welded, if desired, instead of riveted, to the body portion of shell 28.
In this construction the parts of the tank structure are assembled by lowering the inner shell into the lower section 3|) of the outer tank, spacer blocks (not shown) being provided in this section to form-supports for the inner shell, these blocks being of such thickness that in the final assembled position of thertank and shell the inner shell will be spaced throughout its extent from-the outer tank.
The section 25 is, then lowered onto the lower section 33 and these sections secured together 'bY the rivets 34.
The space between the tank and shell is then filled with any suitable filler material represented at 34 as explained in connection with the construction of the preceding figures, the inner shell thus becoming embedded in the material 34.
' The shell 23 by preference is provided with pairs of projections 35 preferably at opposite sides of its center as explained of the preceding fi ures'and preferably the outer tank is provided on its inner surface with similar inwardly extend-v ing projections, one for each pair of projections 35, and one of which is shown at 36, the projections 36 being located'between the projections 35 of each pair thereof and in spaced relation thereto, as shown of the one projection 36, the projections 35 and 36 thus becoming embedded in the filler material 34.
It will be understoodthat, if desired, the tank l of Figs. 1-5 may be provided with projections corresponding with the projections 36 in which case the tank [5 and shell [6 would be provided of such diameters that the inner shell may be inclined, with respect to the outer tank, at such an angle as to permit the projections 35 to clear the projections 36 in the insertion of the shell I 6 endwise into the tank l5.
While I have illustrated and described certain particular embodiments of my invention, I do not wish to be understood as intending to limit itthereto as the same may be variously modified and altered and the invention embodied in other forms of structure without departing from the spirit of my invention.
What I claim as new, and desire to secure by Letters Patent, is:
1. A tank-car structure comprising an outer tank, a shell located in said tank in spaced relation thereto, a projection on the outer surface of said shell extending crosswise thereof and initially plastic filler material located between said tank and shell and'into which said projection extends, said projection being movable with said shell against the filler material.
2. A tank-car structure comprising an outer tank, a shell located in said tank in spaced relation thereto, spaced apart projections on the outer surface of said shell and extending crosswise thereof and initially plastic filler material located between said tank and shell and into which said projections extend, said projections being movable with said shell against the filler material.
3. A tank-car structure comprising an outer tank, a shell located in said tank in spaced relation thereto, a projection on the outer surface of said shell extending crosswise thereof and settable filler material located between said tank and shell and into which said projection extends, said projection being movable with said shell against the filler material.
4. A tank-car structure comprising an outer tank, a shell located in said tank in spaced relation thereto, a projection on the outer surface of said shell extending crosswise thereof, a projection on the inner surface of said tank and extending crosswise thereof and opposing said first-referred-to projection in spaced relation thereto, and filler material located between said tank and shell and between said projections and into which said projections extend, the projection on said shell being movable therewith against the filler material.
5. A tank-car structure comprising an outer tank, a second tank located in said first-referredto tank in spaced relation thereto, projections on the outer surface of said second tank and the inner surface of said outer tank and extending crosswise of said tanks, one of said tanks having two of said projections spaced apart and the other of said projections extending between said spaced-apart projections and out of contact therewith, and filler material located between said tanks and between said projections and into which said projections extend, the projections on said second tank being movable therewith against the filler material.
6. The method of assembling the inner and outer dome equipped tanks of a double-tank structure which consists in' introducing the inner tank, without its dome, endwise into the outer tank open at one end, andthereafter closing the open end of theouter tank and inserting the dome for the inner tank through the dome of the outer tank and securing it in position on the inner tank.
'7. The method of assembling the inner andouter dome equipped tanks of a double-tank structure which consists in introducing the inner tank, without its dome, endwise into the outer tank open at one end, to become positioned in the outer tank with its side wall in spaced relation to the surrounding side wall of the outer tank, and thereafter closing the open end of the outer tank and inserting the dome for the inner tank through the dome of the outer tank and securing it in position on the inner tank.
8. The method of assembling the inner and outer dome equipped tanks of a double-tank structure which consists in introducing the'inner tank, without its dome, endwise into the outer tank open at one end, to become positioned in the outer tank in spaced relation thereto, closing the open end of the outer tank, inserting the dome for the inner tank through the dome of the outer tank; and securing it in position on the inner tank, and filling the space between said tanks with a settable filler material.
RAYMOND C. PIERCE.
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US507488A US1988808A (en) | 1931-01-08 | 1931-01-08 | Tank car |
Publications (1)
Publication Number | Publication Date |
---|---|
USRE19537E true USRE19537E (en) | 1935-04-16 |
Family
ID=24018834
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US19537D Expired USRE19537E (en) | 1931-01-08 | Tank car | |
US507488A Expired - Lifetime US1988808A (en) | 1931-01-08 | 1931-01-08 | Tank car |
Family Applications After (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
US507488A Expired - Lifetime US1988808A (en) | 1931-01-08 | 1931-01-08 | Tank car |
Country Status (1)
Country | Link |
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US (2) | US1988808A (en) |
Cited By (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3086678A (en) * | 1956-01-26 | 1963-04-23 | Huettenwerk Oberhausen Ag | Means for the prevention of disintegration damage to the walls of tankers occasioned in carrying corrosive fluids |
US5215674A (en) * | 1990-06-29 | 1993-06-01 | Union Oil Company Of California | Method for reducing the risk in shipment of liquid ammonia |
US5465753A (en) * | 1994-06-21 | 1995-11-14 | Schwartz; John E. | Safety vessel and valve assembly |
US5839484A (en) * | 1995-08-02 | 1998-11-24 | Engle; Marcus J. | Vacuum transfer system and method for food grade product |
US6425408B1 (en) | 1995-08-02 | 2002-07-30 | Marcus J. Engle | Vacuum transfer system utilizing biased ball |
US20060185554A1 (en) * | 2005-02-18 | 2006-08-24 | Trn Business Trust | Protective housing assembly for a tank car manway |
US20070125259A1 (en) * | 2005-02-18 | 2007-06-07 | Dalrymple Thomas H | Protective Housing Assembly for a Tank Car Manway |
US20110186581A1 (en) * | 2010-02-04 | 2011-08-04 | Sabre Mfg., LLC | Multiple-walled storage tank |
US20170101261A1 (en) * | 2015-10-09 | 2017-04-13 | Polar Tank Trailer, Llc | Insulated rear head for transport tank and/or storage tank |
US9643623B2 (en) * | 2012-06-29 | 2017-05-09 | Trinity Industries, Inc. | Gussets for reinforcement in tank cars and tank cars including gussets |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2486823A (en) * | 1947-07-02 | 1949-11-01 | Socony Vacuum Oil Co Inc | Compensating means for liquid level indicators |
-
0
- US US19537D patent/USRE19537E/en not_active Expired
-
1931
- 1931-01-08 US US507488A patent/US1988808A/en not_active Expired - Lifetime
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3086678A (en) * | 1956-01-26 | 1963-04-23 | Huettenwerk Oberhausen Ag | Means for the prevention of disintegration damage to the walls of tankers occasioned in carrying corrosive fluids |
US5215674A (en) * | 1990-06-29 | 1993-06-01 | Union Oil Company Of California | Method for reducing the risk in shipment of liquid ammonia |
US5277886A (en) * | 1990-06-29 | 1994-01-11 | Union Oil Company Of California | Method for reducing the risk in transporting and storing liquid ammonia |
US5465753A (en) * | 1994-06-21 | 1995-11-14 | Schwartz; John E. | Safety vessel and valve assembly |
US5839484A (en) * | 1995-08-02 | 1998-11-24 | Engle; Marcus J. | Vacuum transfer system and method for food grade product |
US6425408B1 (en) | 1995-08-02 | 2002-07-30 | Marcus J. Engle | Vacuum transfer system utilizing biased ball |
US6729338B2 (en) | 1995-08-02 | 2004-05-04 | Marcus J. Engle | Vacuum transfer system and method for food grade product |
US20050121076A1 (en) * | 1995-08-02 | 2005-06-09 | Engle Marcus J. | Vacuum transfer system and method for food grade product |
US20060185554A1 (en) * | 2005-02-18 | 2006-08-24 | Trn Business Trust | Protective housing assembly for a tank car manway |
US20070125259A1 (en) * | 2005-02-18 | 2007-06-07 | Dalrymple Thomas H | Protective Housing Assembly for a Tank Car Manway |
US7849801B2 (en) * | 2005-02-18 | 2010-12-14 | Trinity Industries, Inc. | Protective housing assembly for a tank car manway |
US7849802B2 (en) * | 2005-02-18 | 2010-12-14 | Trinity Industries, Inc. | Protective housing assembly for a tank car manway |
US20110186581A1 (en) * | 2010-02-04 | 2011-08-04 | Sabre Mfg., LLC | Multiple-walled storage tank |
US8328040B2 (en) * | 2010-02-04 | 2012-12-11 | Sabre Mfg., LLC | Multiple-walled storage tank |
US9643623B2 (en) * | 2012-06-29 | 2017-05-09 | Trinity Industries, Inc. | Gussets for reinforcement in tank cars and tank cars including gussets |
US20170101261A1 (en) * | 2015-10-09 | 2017-04-13 | Polar Tank Trailer, Llc | Insulated rear head for transport tank and/or storage tank |
Also Published As
Publication number | Publication date |
---|---|
US1988808A (en) | 1935-01-22 |
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