US3919030A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Elastic storage tank and method for making the same
Assignee: Rubber Dynamics Corp
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Filing: 1974-06-12
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Granted: 1975-11-11
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Expires: 1994-06-12
Abstract
Abstract An elastic, fluid-impervious storage tank includes a pair of end tank sections and intermediate tank sections, the latter being provided an inlet or filler pipe. Each end section is formed from a single blank of a fiber-reinforced elastomer which is cut and folded so that the corner portions thereof are of rounded configuration.
Inventors
- 👤 Walter C Jones
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 15:12
CPC Classifications
A; A45; A45C; A45C11/00; Y; Y10; Y10T; Y10T156/00; Y10T156/10; Y10T156/1002; Y10T156/1026; Y10T156/1051; Y10T156/1052; Y10T156/1062; Y10T156/1066; Y10T156/1074
Claims Analysis
Total Claims: 5
Claim 1
Independent Claim
410 words
A METHOD OF MAKING AN ELASTIC STORAGE TANK FOR FLUID AND FLUID-LIKE MATERIAL, COMPRISING: CUTTING A PAIR OF GENERATING RECTANGULAR SHAPED BLANKS FROM A SHEET OF IMPERVIOUS, FIBER-REINFRCED ELASTOMER, EACH BLANK HAVING SUBSTANTIALLY STRAIGHT LONGITUDINAL EDGES AND TRANSVERSE EDGES, FOLDING EACH BLANK ALONG A FOLD LINE DISPOSED SUBSTANTIALLY PARALLEL TO THE LONTIDUDINAL EDGES OF THE BLANK TO FORM THE BLANK INTO A PAIR OF LARGE PANELS, ONE OF SAID PANELS HAVING A GREATER LENGTH THAN THE OTHER PANEL, FOLDING SAID LARGER PANEL OF EACH BLANK ALONG A PAIR OF SPACED APART SUBSTANTIALLY PARALLEL TRANSVERSE FOLD LINES, EACH TRANSVERSE FOLD LINE BEING LOCATED ADJACENT ONE END OF THE LARGER PANEL, TO THEREBY DEFINE A PAIR OF END PANELS AT OPPOSITE ENDS OF SAID LARGE PANEL, THE SMALLER OF SAID LARGE PANELS OF EACH BLANK HAVING A PAIR OF TRINGULAR SHAPED FLAPS, EACH EXTENDING LONGITUDINALLY THEREFROM ADJACEN THE FOLD ALINE BETWEEN SAID LARGER PANELS, SAID FLAP WHICH PROJECTS TRANSVERSILY OF EACH BLANK, BUT SHAPED FLAP WHICH PROJECTS TRANSVERSELY OF EACH BLANK, BUT LONGITUDINALY FROM THE END PANEL AND GENERALLY IN A DIRECTION TOWARDS ONE OF THE TRANGULAR FLAPS ON THE SMALLER OF SAID LARGER PANELS, THE LARGER PANEL OF EACH BLANK HAVING A PAIR ARCUWATE EDGE PORTIONS, EACH BEING LOVATED BETWEEN THE FLAP ON ONE OF THE END PANELS AND A FLAP ON THE SMALLER OF THE LARGE PANELS, FOLDING EDGE PORTIONS -OF THE TRIANGULAR SHAPED FLAPA ON AN EDN PANEL IN LAPPED RELATION WITH AN EDGGE PORTION ON A TRIANGULAR SHAPED FLAP ON ONE OF THE SMALLER SAIDLARGER PANELS, SECURING SAID LAPPED EDGE PORTIONS TOGETHER IN SEALING RELATION, SECURING EDGE PORTIONS OF THE END PANELS TO THE EDGE PORTIONS OF THE SMALLER OF THE LARGER PANELS, APPLYING A PAIR OF FORMED ARCULATE ATTACHMENT MEMBERS EACH TO A ARCUATE EDGE PORTION OF THE LARGER PANEL AND TO THE FOLDED FLAPS OF AN END PANEL IN THE OTHER LARGE PANEL TO THEREBY FORM AN ARCULATE CORNER PORTION, AND TO HEREBY COMPLETE THE FORMATION OF EACH BLANK INTO A END TANK SECTION, EACH END TANK SECTION HAVING AN OPEN END WHICH A CONTINUOUS PERIPHERAL EDGE DEFINED BY CERTAIN EDGES OF THE END PANELS AND LARGE PANELS, INTERCONNECTNG THE PERIPHERAL EDGE OF AN OPEN END OF ONE END TANK SECTION WITH THE PERIPHERAL EDGE OF AN OPEN END OF THE OTHER END TANK SECTION AND SEALINLY JOINING THE TWO TANK SECTION BY THE USE OF A CONNECTING MEDIUM TO THEREBY FORM THE COMPLETED ELASTIC TANK.
Claim 2
Independent Claim
410 words
A METHOD OF MAKING AN ELASTIC STORAGE TANK FOR FLUID AND FLUID-LIKE MATERIAL, COMPRISING: CUTTING A PAIR OF GENERATING RECTANGULAR SHAPED BLANKS FROM A SHEET OF IMPERVIOUS, FIBER-REINFRCED ELASTOMER, EACH BLANK HAVING SUBSTANTIALLY STRAIGHT LONGITUDINAL EDGES AND TRANSVERSE EDGES, FOLDING EACH BLANK ALONG A FOLD LINE DISPOSED SUBSTANTIALLY PARALLEL TO THE LONTIDUDINAL EDGES OF THE BLANK TO FORM THE BLANK INTO A PAIR OF LARGE PANELS, ONE OF SAID PANELS HAVING A GREATER LENGTH THAN THE OTHER PANEL, FOLDING SAID LARGER PANEL OF EACH BLANK ALONG A PAIR OF SPACED APART SUBSTANTIALLY PARALLEL TRANSVERSE FOLD LINES, EACH TRANSVERSE FOLD LINE BEING LOCATED ADJACENT ONE END OF THE LARGER PANEL, TO THEREBY DEFINE A PAIR OF END PANELS AT OPPOSITE ENDS OF SAID LARGE PANEL, THE SMALLER OF SAID LARGE PANELS OF EACH BLANK HAVING A PAIR OF TRINGULAR SHAPED FLAPS, EACH EXTENDING LONGITUDINALLY THEREFROM ADJACEN THE FOLD ALINE BETWEEN SAID LARGER PANELS, SAID FLAP WHICH PROJECTS TRANSVERSILY OF EACH BLANK, BUT SHAPED FLAP WHICH PROJECTS TRANSVERSELY OF EACH BLANK, BUT LONGITUDINALY FROM THE END PANEL AND GENERALLY IN A DIRECTION TOWARDS ONE OF THE TRANGULAR FLAPS ON THE SMALLER OF SAID LARGER PANELS, THE LARGER PANEL OF EACH BLANK HAVING A PAIR ARCUWATE EDGE PORTIONS, EACH BEING LOVATED BETWEEN THE FLAP ON ONE OF THE END PANELS AND A FLAP ON THE SMALLER OF THE LARGE PANELS, FOLDING EDGE PORTIONS -OF THE TRIANGULAR SHAPED FLAPA ON AN EDN PANEL IN LAPPED RELATION WITH AN EDGGE PORTION ON A TRIANGULAR SHAPED FLAP ON ONE OF THE SMALLER SAIDLARGER PANELS, SECURING SAID LAPPED EDGE PORTIONS TOGETHER IN SEALING RELATION, SECURING EDGE PORTIONS OF THE END PANELS TO THE EDGE PORTIONS OF THE SMALLER OF THE LARGER PANELS, APPLYING A PAIR OF FORMED ARCULATE ATTACHMENT MEMBERS EACH TO A ARCUATE EDGE PORTION OF THE LARGER PANEL AND TO THE FOLDED FLAPS OF AN END PANEL IN THE OTHER LARGE PANEL TO THEREBY FORM AN ARCULATE CORNER PORTION, AND TO HEREBY COMPLETE THE FORMATION OF EACH BLANK INTO A END TANK SECTION, EACH END TANK SECTION HAVING AN OPEN END WHICH A CONTINUOUS PERIPHERAL EDGE DEFINED BY CERTAIN EDGES OF THE END PANELS AND LARGE PANELS, INTERCONNECTNG THE PERIPHERAL EDGE OF AN OPEN END OF ONE END TANK SECTION WITH THE PERIPHERAL EDGE OF AN OPEN END OF THE OTHER END TANK SECTION AND SEALINLY JOINING THE TWO TANK SECTION BY THE USE OF A CONNECTING MEDIUM TO THEREBY FORM THE COMPLETED ELASTIC TANK.
Claim 3
Dependent Claim
88 words
The method as defined in claim 1 and forming a rectangular blank of a fiber-reinforced elastomer, disposing end edge portions of the last mentioned blank in overlapped relation, and securing said lapped edges together in sealed relation to form an intermediate tank section having continuous peripheral end edges, said intermediate tank section defining said connecting medium, disposing each pEripheral end edge of the intermediate tank section in lapped relation with the peripheral end edge of an end tank section, and securing said lapped edges together in sealed relation.
Claim 4
Dependent Claim
28 words
The method as defined in claim 2 wherein said flaps on the end panels and large panel each have an arcuate edge portion defined by a predetermined radius.
Claim 5
Dependent Claim
37 words
The method as defined in claim 1 wherein said arcuate edge portions on the larger of said large panels is defined by a predetermined radius which is substantially tangential to the fold line between said large panels.
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) | 1978-11-10 | 1979-05-12 | 1979-11-11 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-11-10 | 1983-05-12 | 1983-11-11 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-11-10 | 1987-05-12 | 1987-11-11 | $7700.00 | Window Closed / Lapsed |