US3908343A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Imbricated bag loading machine
Assignee: Vac Pac Manufacturing Co Inc
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Filing: 1974-10-07
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Granted: 1975-09-30
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Expires: 1994-10-07
Abstract
Abstract A bag loading machine is disclosed for loading imbricated bags wherein the imbricated bags are removably secured to at least two parallel strips in overlying arrangement such that each preceding bag in a given direction overlies the top end of the following bag. The machine includes a frame having a bag support table releasably attached to the frame over which the imbricated bags are drawn into a loading position. The bags are drawn into the loading position by a pair of drive rollers which intermittently draw forward the strips to which the bags are attached. The strips are wound about a pair of drums with the drums and the drive rollers being capable of operation independently of one another so that orientation of the bags can be adjusted. When the bags are in a loading position, a product is loaded into the bag from a product table. As the bag is loaded, it is removed and the next succeeding bag is opened. Also upon removal of the loaded bag, the drive rollers are energized to move the opened, next succeeding bag into the loading position.
Inventors
- 👤 Walter M Farrelly
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-25 17:06
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/12; B65B43/123; B65B43/26; B65B43/34; B65B43/36
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
132 words
A bag loading machine for loading imbricated bags wherein said imbricated bags are removably secured to at least two parallel strips in overlying arrangement such that each preceding bag in a given direction overlies the top end of the following bag, said machine comprising in combination a frame member, a bag support table attached to said frame member over which said imbricated bags are drawn into a loading position, means for drawing said bags over said bag support table into said loading position, said means including means for separately drawing each of said strips over said table, said strip drawing means being capable of drawing one strip independently of the other to thereby permit the adjustment of the orientation of said bags, and means for opening said bags to permit loading thereof.
Claim 2
Dependent Claim
132 words
A bag loading machine for loading imbricated bags wherein said imbricated bags are removably secured to at least two parallel strips in overlying arrangement such that each preceding bag in a given direction overlies the top end of the following bag, said machine comprising in combination a frame member, a bag support table attached to said frame member over which said imbricated bags are drawn into a loading position, means for drawing said bags over said bag support table into said loading position, said means including means for separately drawing each of said strips over said table, said strip drawing means being capable of drawing one strip independently of the other to thereby permit the adjustment of the orientation of said bags, and means for opening said bags to permit loading thereof.
Claim 3
Dependent Claim
83 words
The bag loading machine of claim 1 wherein said means for separately drawing each of said strips over said table comprises at least two drive rollers, one for each of said strips, said drive rollers being rotatably mounted with respect to a common shaft, at least two one-way clutches, one for each drive roller, for conveying rotary motion of said shaft to said driver rollers, and means for rotating said drive shaft when a bag is to be moved into said loading poSition.
Claim 4
Dependent Claim
25 words
The bag loading machine of claim 2 including means responsive to said strip drawing means for storing each of said strips separately of one another.
Claim 5
Dependent Claim
80 words
The bag loading machine of claim 3 wherein said means for storing said strips comprises at least two drums, said drums being rotatably mounted with respect to a drum support shaft, at least two friction clutches, one for each drum, for conveying the rotary motion of said shaft to said drum wherein each of said drums can be rotated with respect to the other, and means for rotating said drum support shaft in synchronism with said drive roller support shaft.
Claim 6
Dependent Claim
21 words
The bag loading machine of claim 4 where the diameter of said drums is greater than that of said drive rollers.
Claim 7
Dependent Claim
92 words
The bag loading machine of claim 3 further comprising a product support table rotatably and releasably attached to said frame member through which the product to be filled into said imbricated bags is moved, said product support table having a pair of guide surfaces extending partially into an open bag, said product support table having an opening at one end thereof to permit the passage of air under pressure into the mouth of the bag in said loading position to thereby keep said bag open for the ingress of said product thereinto.
Claim 8
Dependent Claim
31 words
The bag loading machine of claim 6 further comprising means for maintaining tension on said imbricated bags as said bags are drawn over said bag support table into said loading position.
Claim 9
Dependent Claim
19 words
The bag loading machine of claim 7 further comprising means for preventing the reverse rotation of said drive rollers.
References Cited (Backward Citations)
US3552090A
Cited
US3619969A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1978-09-29 | 1979-03-31 | 1979-09-30 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-09-29 | 1983-03-31 | 1983-09-30 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-09-29 | 1987-03-31 | 1987-09-30 | $7700.00 | Window Closed / Lapsed |