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US3661293A Expired / Lapsed US ⏱️ 0.0 years remaining

Rectangular freight container for international combined traffic, particularly for flowable bulk goods

Assignee: WESTERWALDER EISENWERK DR PAUL
•
Filing: 1969-02-26
•
Granted: 1972-05-09
•
Expires: 1989-02-26
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Abstract

Abstract A rectangular transcontainer for flowable goods, comprising a frame closed in itself and a tank liquid-tight on all sides, wherein part cylindrical outwardly cambered wall elements are connected to said frame in such a manner as to form therewith a liquid-tight box girder resistant to bending, twisting and buckling, the connections and fittings for access to the interior of the tank being located within the contour of said frame.

Inventors

  • 👤 Helmut Gerhard
  • 👤 Hans-Helmut Reichmann

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-11-02 18:22
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/02; B65D88/12; B65D88/128

Claims Analysis

Total Claims: 43
Claim 1
Independent Claim 108 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame having profiled frame members, said frame comprising vertical struts and horizontal beams sub-dividing the wall faces of the transcontainer into individual bays, each bay containing one part-cylindrical outwardly cambered wall panel connected to said frame members so as to form unitarily therewith a liquid-tight tank resistant to bending, twisting and buckling, openings for access to the interior of said tank located within the frame contour, and wherein several adjacent wall panels consist of a continuous steel sheet strip outwardly cambered section-wise and attached to said struts from the inside.
Claim 2
Dependent Claim 108 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame having profiled frame members, said frame comprising vertical struts and horizontal beams sub-dividing the wall faces of the transcontainer into individual bays, each bay containing one part-cylindrical outwardly cambered wall panel connected to said frame members so as to form unitarily therewith a liquid-tight tank resistant to bending, twisting and buckling, openings for access to the interior of said tank located within the frame contour, and wherein several adjacent wall panels consist of a continuous steel sheet strip outwardly cambered section-wise and attached to said struts from the inside.
Claim 3
Dependent Claim 122 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame having profiled frame members, said frame comprising vertical struts and horizontal beams sub-dividing the wall faces of the transcontainer into individual bays, each bay containing one part-cylindrical outwardly cambered wall panel connected to said frame members so as to form unitarily therewith a liquid-tight tank resisTant to bending, twisting and buckling, openings for access to the interior of said tank located within the frame contour, stiffeners attached to said wall panels from the outside for reinforcing major bays of the wall panels, and wherein said stiffeners and associated panels form hollow passages and are provided with connections for heating contents of the transcontainer.
Claim 4
Dependent Claim 122 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame having profiled frame members, said frame comprising vertical struts and horizontal beams sub-dividing the wall faces of the transcontainer into individual bays, each bay containing one part-cylindrical outwardly cambered wall panel connected to said frame members so as to form unitarily therewith a liquid-tight tank resisTant to bending, twisting and buckling, openings for access to the interior of said tank located within the frame contour, stiffeners attached to said wall panels from the outside for reinforcing major bays of the wall panels, and wherein said stiffeners and associated panels form hollow passages and are provided with connections for heating contents of the transcontainer.
Claim 5
Dependent Claim 80 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame having profiled frame members, part-cylindrical outwardly cambered wall panels connected to said frame members so as to form unitarily therewith a liquid-tight tank resistant to bending, twisting and buckling, openings for access to the interior of said tank located within the frame contour, and wherein the cambered wall panels at the bottom of said tank are reinforced by curved tension straps.
Claim 6
Dependent Claim 80 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame having profiled frame members, part-cylindrical outwardly cambered wall panels connected to said frame members so as to form unitarily therewith a liquid-tight tank resistant to bending, twisting and buckling, openings for access to the interior of said tank located within the frame contour, and wherein the cambered wall panels at the bottom of said tank are reinforced by curved tension straps.
Claim 7
Dependent Claim 102 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame consisting of frame members, part-cylindrical outwardly cambered panels connected to the frame members to form unitarily therewith a tank for the flowable goods in the form of a rectangular box girder resistant to bending, twisting and buckling, openings for access to the interior of said tank, and covers for the openings located within the frame contours, wherein some said cambered wall panels have margin portions with smaller radii of curvature than those of their camber and extending into the interior of said transcontainer.
Claim 8
Dependent Claim 102 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame consisting of frame members, part-cylindrical outwardly cambered panels connected to the frame members to form unitarily therewith a tank for the flowable goods in the form of a rectangular box girder resistant to bending, twisting and buckling, openings for access to the interior of said tank, and covers for the openings located within the frame contours, wherein some said cambered wall panels have margin portions with smaller radii of curvature than those of their camber and extending into the interior of said transcontainer.
Claim 9
Dependent Claim 108 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame having profiled frame members, said frame comprising vertical struts and horizontal beams sub-dividing the wall faces of the transcontainer into individual bays, each bay containing one part-cylindrical outwardly cambered wall panel connected to said frame members so as to form unitarily therewith a liquid-tight tank resistant to bending, twisting and buckling, openings for access to the interior of said tank located within the frame contour, guide plates leading obliquely towards a discharge port of said transcontainer in order to facilitate the discharging of flowable goods of solid bulk type.
Claim 10
Dependent Claim 108 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame having profiled frame members, said frame comprising vertical struts and horizontal beams sub-dividing the wall faces of the transcontainer into individual bays, each bay containing one part-cylindrical outwardly cambered wall panel connected to said frame members so as to form unitarily therewith a liquid-tight tank resistant to bending, twisting and buckling, openings for access to the interior of said tank located within the frame contour, guide plates leading obliquely towards a discharge port of said transcontainer in order to facilitate the discharging of flowable goods of solid bulk type.
Claim 11
Dependent Claim 133 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame consisting of frame members, part-cylindrical outwardly cambered wall panels connected to the frame members to form unitarily therewith a tank for the flowable goods in the form of a rectangular box girder resistant to bending, twisting, and buckling, openings for access to the interior of said tank, and covers for said openings located within the frame contours, wherein a recess is arranged in an end wall of the tank and a hole is provided in a juxtapositioned lower transverse beam, and a filling and discharge socket is mounted on said end wall in said recess and a hose coupling attached to said socket, through which hole the hose coupling is accessible from the outside.
Claim 12
Dependent Claim 133 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame consisting of frame members, part-cylindrical outwardly cambered wall panels connected to the frame members to form unitarily therewith a tank for the flowable goods in the form of a rectangular box girder resistant to bending, twisting, and buckling, openings for access to the interior of said tank, and covers for said openings located within the frame contours, wherein a recess is arranged in an end wall of the tank and a hole is provided in a juxtapositioned lower transverse beam, and a filling and discharge socket is mounted on said end wall in said recess and a hose coupling attached to said socket, through which hole the hose coupling is accessible from the outside.
Claim 13
Dependent Claim 96 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame having profiled frame members, said frame comprising vertical struts and horizontal beams sub-dividing the wall faces of the transcontainer into individual bays, each bay containing one part-cylindrical outwardly cambered wall panel connected to said frame members so as to form unitarily therewith a liquid-tight tank resistant to bending, twisting and buckling, openings for access to the interior of said tank located within the frame contour, and said frame members are hollow and are of substantially rectangular cross-sections.
Claim 14
Dependent Claim 96 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame having profiled frame members, said frame comprising vertical struts and horizontal beams sub-dividing the wall faces of the transcontainer into individual bays, each bay containing one part-cylindrical outwardly cambered wall panel connected to said frame members so as to form unitarily therewith a liquid-tight tank resistant to bending, twisting and buckling, openings for access to the interior of said tank located within the frame contour, and said frame members are hollow and are of substantially rectangular cross-sections.
Claim 15
Dependent Claim 22 words
A transcontainer as claimed in claim 7, wherein the lower horizontal beams are provided with longitudinal recesses on their lower outer edges.
Claim 16
Dependent Claim 107 words
A rectangular transcontainer for Flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame consisting of frame members, part-cylindrical outwardly cambered panels connected to the frame members to form unitarily therewith a tank for the flowable goods in the form of a rectangular box girder resistant to bending, twisting and buckling, openings for access to the interior of said tank, and covers for the openings located within the frame contours, wherein the bottom of the tank comprises cambered wall panels descending step-wise from horizontal lower beams of said frame to the sole level of said transcontainer and resting on longitudinal bottom stiffeners.
Claim 17
Dependent Claim 107 words
A rectangular transcontainer for Flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame consisting of frame members, part-cylindrical outwardly cambered panels connected to the frame members to form unitarily therewith a tank for the flowable goods in the form of a rectangular box girder resistant to bending, twisting and buckling, openings for access to the interior of said tank, and covers for the openings located within the frame contours, wherein the bottom of the tank comprises cambered wall panels descending step-wise from horizontal lower beams of said frame to the sole level of said transcontainer and resting on longitudinal bottom stiffeners.
Claim 18
Dependent Claim 28 words
A transcontainer as claimed in claim 9, wherein said frame has transverse intermediate beams provided with holes near the bottom of said tank to allow for complete discharge.
Claim 19
Dependent Claim 109 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame consisting of frame members, part-cylindrical outwardly cambered panels connected to the frame members to form unitarily therewith a tank for the flowable goods in the form of a rectangular box girder resistant to bending, twisting and buckling, openings for access to the interior of said tank, and covers for the openings located within the frame contours, comprising a manhole socket on top of said transcontainer, an inwardly cambered lid mounted tightly on said socket, and a pressure relief valve and safety valve member mounted in the hollow of said lid.
Claim 20
Dependent Claim 109 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame consisting of frame members, part-cylindrical outwardly cambered panels connected to the frame members to form unitarily therewith a tank for the flowable goods in the form of a rectangular box girder resistant to bending, twisting and buckling, openings for access to the interior of said tank, and covers for the openings located within the frame contours, comprising a manhole socket on top of said transcontainer, an inwardly cambered lid mounted tightly on said socket, and a pressure relief valve and safety valve member mounted in the hollow of said lid.
Claim 21
Dependent Claim 15 words
A transcontainer as claimed in claim 11, comprising a flat closeable cover for said lid.
Claim 22
Dependent Claim 149 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame having profiled frame members, two end walls, two side walls, a top wall, a bottom wall, vertical struts connected to said outer frame and spaced to sub-divide the side walls into individual bays, each bay containing a part-cylindrical outwardly cambered wall panel, each of said wall panels presenting a concave surface to the interior of the transcontainer and a convex surface to the exterior thereof, said wall panels being connected to the frame members and the vertical struts to form unitarily therewith a liquid-tight tank resistant to bending, twisting and buckling, at least one selectively closable opening for access to the interior of said tank, and the outermost extent of the wall panels and the at least one opening being all within the contour defined by the rectangular outer frame.
Claim 23
Dependent Claim 149 words
A rectangular transcontainer for flowable goods provided with corner fittings for stacking and lifting, comprising a rectangular outer frame having profiled frame members, two end walls, two side walls, a top wall, a bottom wall, vertical struts connected to said outer frame and spaced to sub-divide the side walls into individual bays, each bay containing a part-cylindrical outwardly cambered wall panel, each of said wall panels presenting a concave surface to the interior of the transcontainer and a convex surface to the exterior thereof, said wall panels being connected to the frame members and the vertical struts to form unitarily therewith a liquid-tight tank resistant to bending, twisting and buckling, at least one selectively closable opening for access to the interior of said tank, and the outermost extent of the wall panels and the at least one opening being all within the contour defined by the rectangular outer frame.
Claim 24
Dependent Claim 18 words
A transcontainer as claimed in claim 13, wherein the frame has corner struts which are of circular cross-section.
Claim 25
Dependent Claim 18 words
A transcontainer as claimed in claim 13, wherein the frame has corner struts which are of semicircular cross-section.
Claim 26
Dependent Claim 18 words
A transcontainer as claimed in claim 13, wherein the frame has corner struts which are of triangular cross-section.
Claim 27
Dependent Claim 29 words
A transcontainer as claimed in claim 13, wherein transverse external ribs are provided at the wall panels at the bottom of said tank for engagement by a fork-lift truck.
Claim 28
Dependent Claim 17 words
A transcontainer as claimed in claim 13, comprising surge baffles arranged in the interior of said container.
Claim 29
Dependent Claim 25 words
A transcontainer as claimed in claim 13, wherein said panels consist of a corrosion-resistant metal of the group consisting of stainless steel and aluminum alloys.
Claim 30
Dependent Claim 27 words
A transcontainer as claimed in claim 13, wherein said frame members, at least on their portions exposed to the interior of said tank, consist of stainless steel.
Claim 31
Dependent Claim 28 words
A transcontainer as claimed in claim 13, wherein said frame members, at least on their portions exposed to the interior of said tank, are covered with stainless steel.
Claim 32
Dependent Claim 16 words
A transcontainer as claimed in claim 13, comprising stiffeners reinforcing major bays of the wall panels.
Claim 33
Dependent Claim 17 words
A transcontainer as claimed in claim 22, wherein said stiffeners are attached to said panels from outside.
Claim 34
Dependent Claim 40 words
A transcontainer as claimed in claim 13, wherein the end walls each comprise a plurality of part-cylindrical outwardly cambered wall panels, said wall panels being contained in individual bays formed in part by vertical struts connected to the outer frame.
Claim 35
Dependent Claim 34 words
A transcontainer as claimed in claim 24, wherein one of the end wall panels has at its bottom a recess and comprising a filling and discharging socket for said transcontainer arranged in said recess.
Claim 36
Dependent Claim 54 words
A transcontainer as claimed in claim 24, wherein the top and bottom walls each comprise a plurality of part-cylindrical outwardly cambered wall panels, said wall panels being contained in individual bays formed in part by horizontal beams connected to the outer frame, and wherein said wall panels are also connected to said horizontal beams.
Claim 37
Dependent Claim 17 words
A transcontainer as claimed in claim 26, comprising partition walls arranged between intermediate beams and intermediate struts.
Claim 38
Dependent Claim 54 words
A transcontainer as claimed in claim 13, wherein the top and bottom walls each comprise a plurality of part-cylindrical outwardly cambered wall panels, said wall panels being contained in individual bays formed in part by horizontal beams connected to the outer frame, and wherein said wall panels are also connected to said horizontal beams.
Claim 39
Dependent Claim 25 words
A transcontainer as claimed in claim 28, wherein said horizontal beams extend at right angles to the axes of curvature of the associated wall panels.
Claim 40
Dependent Claim 24 words
A transcontainer as claimed in claim 28, wherein the bottom of said tank consists of panels cambered about the longitudinal direction of the tank.
Claim 41
Dependent Claim 28 words
A transcontainer as claimed in claim 30, wherein said frame has transverse intermediate beams provided with holes near the bottom of said tank to allow for complete discharge.
Claim 42
Dependent Claim 25 words
A transcontainer as claimed in claim 28, wherein the top wall of said tank comprises panels cambered outwardly about the longitudinal direction of the tank.
Claim 43
Dependent Claim 41 words
A transcontainer as claimed in claim 32, wherein upper transverse intermediate beams are disposed perpendicularly to said horizontal beams, said intermediate beams being connected to said wall panels and said outer frame, and wherein holes are provided in said intermediate beams.

References Cited (Backward Citations)

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USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1975-05-09 1975-11-08 1976-05-09 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1979-05-09 1979-11-08 1980-05-09 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1983-05-09 1983-11-08 1984-05-09 $7700.00 Window Closed / Lapsed

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