US4946071A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Materials handling equipment
Assignee: Bagfilla Overseas Ltd
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Filing: 1989-03-17
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Granted: 1990-08-07
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Expires: 2009-03-17
Abstract
Abstract There is disclosed equipment for discharging material from an intermediate bulk container having a liner provided with a discharge spout located within an outer bag and comprising a discharge duck and apparatus for sealably connecting the lower end of the spout with the upper end of the duct. Preferably the spout is arranged with an upturned cuff which is clamped between the mouth of the duct and a moveable clamping apparatus.
Inventors
- 👤 Barrie Poulton
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 23:13
CPC Classifications
B; B65; B65B; B65B69/00; B65B69/0075; B65B69/0091
Claims Analysis
Total Claims: 4
Claim 1
Independent Claim
123 words
Equipment for discharging a container comprising (a) means for supporting a bag over a discharge duct; (b) said discharge duct being fixed and having an open frusto conical mouth at its upper end; (c) means for sealably connecting a lower end of a tubular spout over the open mouth of the discharge duct; and (d) movable means for clamping the lower end of the spout against the upper end of the duct comprising (i) an annular member of cylindrical form moveable between a raised position spaced from the upper end of the duct and a lower position engaging the duct, and (ii) an upturned cuff on the tubular spout which may be clamped between the conical surfaces of the mouth and annular member.
Claim 2
Dependent Claim
123 words
Equipment for discharging a container comprising (a) means for supporting a bag over a discharge duct; (b) said discharge duct being fixed and having an open frusto conical mouth at its upper end; (c) means for sealably connecting a lower end of a tubular spout over the open mouth of the discharge duct; and (d) movable means for clamping the lower end of the spout against the upper end of the duct comprising (i) an annular member of cylindrical form moveable between a raised position spaced from the upper end of the duct and a lower position engaging the duct, and (ii) an upturned cuff on the tubular spout which may be clamped between the conical surfaces of the mouth and annular member.
Claim 3
Dependent Claim
20 words
Equipment according to claim 1 wherein the lower circular edge of the annular member is provided with a resilient seal.
Claim 4
Dependent Claim
21 words
Equipment according to any one of claims 1 or 2 wherein the clamping means is moveable by pneumatic actuating cylinder means.
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) | 1993-08-06 | 1994-02-05 | 1994-08-07 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1997-08-06 | 1998-02-05 | 1998-08-07 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 2001-08-06 | 2002-02-05 | 2002-08-07 | $7700.00 | Window Closed / Lapsed |