Patent US1690374A successfully refreshed from Google Patents.
Patent US4122761A successfully refreshed from Google Patents.
US4122761A
Expired / Lapsed
US
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Dangerous goods shipping container
Assignee: SVENSKA GODSCENTRALER AB
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Filing: 1977-05-10
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Granted: 1978-10-31
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Expires: 1997-05-10
Abstract
Abstract A gas tight shipping container for transporting dangerous liquids in cans or the like includes a supporting floor grate 17 spaced above a plurality of spilled liquid trays 12, 13 defined on opposite sides of fork lift tyne tunnels 10, 11 to provide a continuous ventillation passage 18 therebetween extending beneath the full area of the floor grate. An exhaust duct 19, 22 extends across one end of the container and draws air through a controlled intake 23 in the opposite end of the container via the passage 18.
Inventors
- 👤 Per-Olov Westin
- 👤 Per A. Marklund
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-31 11:47
CPC Classifications
B; B65; B65D; B65D88/00; B65D88/74; B65D88/747; B65D88/745; F; F24; F24F; F24F7/00; F24F7/04; F24F7/06; F24F7/10
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
187 words
A shipping container for transporting dangerous goods, such as poisonous or explosive liquids stored in cans, comprising: (a) a roof member, a bottom member and four side wall members joined together to form a gas tight enclosure, one of said members comprising access means, (b) said bottom member comprising a plurality of upwardly open, liquid-tight trays separated from each other by respective tray side walls, (c) a plurality of fork lift tyne tunnels spaced from each other and defined between adjacent tray side walls, (d) an apertured, load-bearing inner floor disposed above said trays and tunnels to define a continuous ventillation passage extending beneath the full area of said inner floor, (e) forced air exhaust means mounted in said container in communication with said ventillation passage, and (f) adjustable air intake means disposed in said container and spaced from said air exhaust means, whereby any spilled liquid flows through said apertured inner floor into the tray therebeneath, and said exhaust means draws air through said intake means via the interior of said container and said ventillation passage, to thereby purge any dangerous liquid vapors from said container.
Claim 2
Dependent Claim
187 words
A shipping container for transporting dangerous goods, such as poisonous or explosive liquids stored in cans, comprising: (a) a roof member, a bottom member and four side wall members joined together to form a gas tight enclosure, one of said members comprising access means, (b) said bottom member comprising a plurality of upwardly open, liquid-tight trays separated from each other by respective tray side walls, (c) a plurality of fork lift tyne tunnels spaced from each other and defined between adjacent tray side walls, (d) an apertured, load-bearing inner floor disposed above said trays and tunnels to define a continuous ventillation passage extending beneath the full area of said inner floor, (e) forced air exhaust means mounted in said container in communication with said ventillation passage, and (f) adjustable air intake means disposed in said container and spaced from said air exhaust means, whereby any spilled liquid flows through said apertured inner floor into the tray therebeneath, and said exhaust means draws air through said intake means via the interior of said container and said ventillation passage, to thereby purge any dangerous liquid vapors from said container.
Claim 3
Dependent Claim
44 words
A shipping container as claimed in claim 1, wherein the air exhaust means comprises a suction duct connected to the ventillation passage at one end of the inner floor, and the air intake means is disposed above the opposite end of the inner floor.
Claim 4
Dependent Claim
27 words
A shipping container as claimed in claim 2, wherein the suction duct has an elongated suction opening extending substantially across the whole width of the inner floor.
Claim 5
Dependent Claim
49 words
A shipping container as claimed in claim 3, wherein the air exhaust means includes a suction fan mounted in the container and connected to the suction duct, and an outlet duct connected to an outlet of the suction fan and adapted to be connected to an exterior ventilation system.
Claim 6
Dependent Claim
30 words
A shipping container as claimed in claim 3, wherein the air intake means comprises a draft regulator connected to an intake duct mounted on one side wall of the container.
Claim 7
Dependent Claim
49 words
A shipping container as claimed in claim 2, wherein the air exhaust means includes a suction fan mounted in the container and connected to the suction duct, and an outlet duct connected to an outlet of the suction fan and adapted to be connected to an exterior ventilation system.
Claim 8
Dependent Claim
17 words
A shipping container as claimed in claim 1, further comprising a liquid tap mounted in each tray.
Claim 9
Dependent Claim
30 words
A shipping container as claimed in claim 7, wherein the air intake means comprises a draft regulator connected to an intake duct mounted on one side wall of the container.
References Cited (Backward Citations)
US2260999A
Cited
US3170384A
Cited
US3168030A
Cited
US3407719A
Cited
DE2206799A1
Cited
US3883026A
Cited
US3951336A
Cited
US4000827A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1981-10-30 | 1982-05-01 | 1982-10-31 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1985-10-30 | 1986-05-01 | 1986-10-31 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1989-10-30 | 1990-05-01 | 1990-10-31 | $7700.00 | Window Closed / Lapsed |