Patent US4315531A successfully refreshed from Google Patents.
US4315531A
Expired / Lapsed
US
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Transport container
Assignee: Westerwaelder Eisenwerk Gerhard GmbH
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Filing: 1979-05-25
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Granted: 1982-02-16
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Expires: 1999-05-25
Abstract
Abstract A transport container of the type made from cylindrical shells for use in the combined handling of liquids gases or loose material. The transport container is designed for emptying under pressure or by gravity, with connections for fixtures wherein stresses in the region of the connections are reduced.
Inventors
- 👤 Helmut Gerhard
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 19:36
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/02; B65D88/12; B65D88/128; Y; Y10; Y10T; Y10T137/00; Y10T137/8593; Y10T137/86348
Claims Analysis
Total Claims: 42
Claim 1
Independent Claim
130 words
Transport container comprising: a large diameter cylindrical shell for holding material to be transported, said shell being formed by a cylindrical shell wall, at least one pipe member rigidly connected to the cylindrical shell wall, and connection means for fixtures such as material inlet and outlet means, relief pressure valve means, and the like, wherein the connection means are carried by the at least one pipe member, and wherein each of the at least one pipe members has a curved outer pipe wall disposed longitudinally astride said cylindrical shell wall with one of upper and lower circumferentially contiguous portions thereof being within said shell wall and the other of said upper and lower portions being outside of said shell, whereby stresses in the region of said rigid connection are reduced.
Claim 2
Dependent Claim
130 words
Transport container comprising: a large diameter cylindrical shell for holding material to be transported, said shell being formed by a cylindrical shell wall, at least one pipe member rigidly connected to the cylindrical shell wall, and connection means for fixtures such as material inlet and outlet means, relief pressure valve means, and the like, wherein the connection means are carried by the at least one pipe member, and wherein each of the at least one pipe members has a curved outer pipe wall disposed longitudinally astride said cylindrical shell wall with one of upper and lower circumferentially contiguous portions thereof being within said shell wall and the other of said upper and lower portions being outside of said shell, whereby stresses in the region of said rigid connection are reduced.
Claim 3
Dependent Claim
30 words
Transport container according to claim 1, wherein the maximum cross-sectional dimension of each of said at least one pipe members is substantially smaller than the diameter of said cylindrical shell.
Claim 4
Dependent Claim
18 words
Transport container according to claim 2, wherein the transition element consists of a segment of a spherical shell.
Claim 5
Dependent Claim
32 words
Transport container according to claim 1, wherein the maximum cross-sectional dimension of each of said at least one pipe members is smaller than one tenth of the diameter of said cylindrical shell.
Claim 6
Dependent Claim
23 words
Transport container according to claim 4, wherein each of said pipe members is welded at its outer periphery to the cylindrical shell wall.
Claim 7
Dependent Claim
28 words
Transport container according to claim 5, wherein each of said pipe members is disposed with about half of its cross-sectional height disposed outwardly of said cylindrical shell wall.
Claim 8
Dependent Claim
43 words
Transport container according to claim 5, wherein the cylindrical shell extends horizontally when in an in-use shipping position, and wherein one of said pipe members is disposed at the bottom of said cylindrical shell and serves as a sump region of said container.
Claim 9
Dependent Claim
43 words
Transport container according to claim 7, wherein a riser is provided for emptying the container under pressure, and wherein the lower end of said riser is guided and held in position by said pipe member disposed at the bottom of the cylindrical shell.
Claim 10
Dependent Claim
45 words
Transport container according to claim 8, wherein said pipe member disposed at the bottom of the cylindrical shell serves as a discharge spout for emptying the container by gravity, said pipe member ending in a connection flange for connecting a discharge valve or the like.
Claim 11
Dependent Claim
35 words
Transport container according to claim 8, wherein the maximum inside cross-sectional dimension of said pipe member disposed at the bottom of the cylindrical shell is equal to the maximum outside cross-sectional dimension of said riser.
Claim 12
Dependent Claim
34 words
Transport container according to claim 8, wherein a tapered collar is provided for guiding the bottom of the riser into an opening in said pipe member disposed at the bottom of the cylindrical shell.
Claim 13
Dependent Claim
45 words
Transport container according to claim 7, wherein said pipe member disposed at the bottom of the cylindrical shell serves as a discharge spout for emptying the container by gravity, said pipe member ending in a connection flange for connecting a discharge valve or the like.
Claim 14
Dependent Claim
32 words
Transport container according to claim 12, wherein said pipe member disposed at the bottom of said cylindrical shell has an upwardly open recess inside of said cylindrical shell adjacent the connection flange.
Claim 15
Dependent Claim
56 words
Transport container according to claim 12, wherein said connection flange is angularly inclined to conform to the surrounding portions of said cylindrical shell wall, and wherein said pipe member disposed at the bottom of said cylindrical shell has an oval pipe section, the flattening of which is adapted to the axial projection of the connection flange.
Claim 16
Dependent Claim
28 words
Transport container according to claim 12, wherein the portion of said pipe member adjacent the connection flange is formed as a support for an inwardly extending discharge valve.
Claim 17
Dependent Claim
46 words
Transport container according to claim 7, wherein a second of said pipe members is provided, disposed at the top of said cylindrical shell, said second pipe member having at least one connection opening which is accessible from the outside and which faces other than vertically upward.
Claim 18
Dependent Claim
34 words
Transport container according to claim 7, wherein said pipe member disposed at the bottom of said cylindrical shell merges into the bottom outer wall of the cylindrical shell by means of a transition element.
Claim 19
Dependent Claim
28 words
Transport container according to claim 17, wherein said transition element consists of a tongue-shaped wall portion of said pipe member disposed at the bottom of the cylindrical shell.
Claim 20
Dependent Claim
27 words
Transport container according to claim 7, wherein said bottom pipe member has between one half and two thirds of its cross-sectional height disposed inside said cylindrical shell.
Claim 21
Dependent Claim
21 words
Transport container according to claim 7, wherein said bottom pipe member extends transversely of the axial direction of said cylindrical shell.
Claim 22
Dependent Claim
21 words
Transport container according to claim 7, wherein said bottom pipe member extends parallel to the axial direction of said cylindrical shell.
Claim 23
Dependent Claim
54 words
Transport container according to claim 5, wherein the cylindrical shell extends horizontally when in an in-use shipping position, and wherein one of said pipe members is disposed at the top of said cylindrical shell and has at least one connection opening which is accessible from the outside and which faces other than vertically upward.
Claim 24
Dependent Claim
47 words
Transport container according to claim 22, wherein the top of said cylindrical shell includes a manhole assembly surrounded by a closing flange ring, and wherein one of the ends of the pipe member disposed at the top of said cylindrical shell is connected to said manhole assembly.
Claim 25
Dependent Claim
75 words
Transport container according to claim 23, wherein the portion of said pipe member disposed above the top of the cylindrical shell carries at least one pipe spout or closing flange for receiving fixtures or conduits, the axis of said at least one pipe spout or closing flange being other than the vertical axis of the container, and wherein the projection of the pipe spout or closing flange is below the projection of the manhole ring.
Claim 26
Dependent Claim
47 words
Transport container according to claim 23, further comprising protection frame elements for protecting the pipe member and associated connections and fixtures, said protection frame elements extending from the outermost upper and lateral points of the manhole assembly to an end frame or reinforcing ring of the container.
Claim 27
Dependent Claim
49 words
Transport container according to claim 22, wherein the top of said cylindrical shell has a vertical pipe spout or flange ring of a top connection, and wherein said pipe member at the top of said cylindrical shell ends on the flank of said vertical pipe spout or flange ring.
Claim 28
Dependent Claim
56 words
Transport container according to claim 22, wherein the portion of said pipe member disposed above the top of the cylindrical shell carries at least one pipe spout or closing flange for receiving fixtures or conduits, the axis of said at least one pipe spout or closing flange being other than the vertical axis of the container.
Claim 29
Dependent Claim
37 words
Transport container according to claim 22, wherein the lower area of the pipe member disposed inside the cylindrical shell has at least two, preferably circular openings separated by bridge parts formed of the remaining pipe wall sections.
Claim 30
Dependent Claim
19 words
Transport container according to claim 28, wherein said openings are arranged in the bottom of the top pipe member.
Claim 31
Dependent Claim
29 words
Transport container according to claim 22, wherein said top pipe member has between one half and two thirds of its cross-sectional height disposed above and outside said cylindrical shell.
Claim 32
Dependent Claim
21 words
Transport container according to claim 22, wherein said top pipe member extends transversely of the axial direction of said cylindrical shell.
Claim 33
Dependent Claim
21 words
Transport container according to claim 22, wherein said top pipe member extends parallel to the axial direction of said cylindrical shell.
Claim 34
Dependent Claim
36 words
Transport container according to claim 5, wherein a total of two of said pipe members are provided, on pipe member at the top and one pipe member at the bottom of a horizontally extending cylindrical shell.
Claim 35
Dependent Claim
38 words
Transport container according to claim 33, wherein said cylindrical shell has an outside diameter of between six feet and nine feet and each of said pipe members has a maximum cross-sectional dimension of between two and five inches.
Claim 36
Dependent Claim
39 words
Transport container according to claim 34, further comprising a frame having corner fittings for accommodating stacking and loading of said container, and wherein said cylindrical shell and said pipe members are contained within the vertical projection of said frame.
Claim 37
Dependent Claim
38 words
Transport container according to claim 5, wherein said cylindrical shell has an outside diameter of between six feet and eight feet and each of said pipe members has a maximum cross-sectional dimension of between two and five inches.
Claim 38
Dependent Claim
21 words
Transport container according to claim 1, wherein at least one of said at least one pipe members has a circular cross-section.
Claim 39
Dependent Claim
40 words
Transport container according to claim 1, wherein at least one of said at least one pipe members has an elliptic or oval cross-section, the major axis of which is horizontal and transverse to the longitudinal axis of the cylindrical shell.
Claim 40
Dependent Claim
28 words
Transport container according to claim 1, wherein each of said pipe members merges into the outer wall of the cylindrical shell by way of a spherical shell part.
Claim 41
Dependent Claim
34 words
Transort container according to claim 1, wherein said cylindrical shell is surrounded by at least one reinforcing ring. and wherein at least one of said pipe members ends at one of said reinforcing rings.
Claim 42
Dependent Claim
29 words
Transport container according to claim 1, wherein the material and wall thickness of said pipe member is the same as the material and wall thickness of the cylindrical shell.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1985-02-15 | 1985-08-17 | 1986-02-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1989-02-15 | 1989-08-17 | 1990-02-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1993-02-15 | 1993-08-17 | 1994-02-16 | $7700.00 | Window Closed / Lapsed |