US3926322A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Apparatus for removing containers from packages
Assignee: STEWART WALKER CO
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Filing: 1974-07-29
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Granted: 1975-12-16
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Expires: 1994-07-29
Abstract
Abstract A method and apparatus for opening and emptying a package having two layers of goods in which the package is cut into two halves, unfolded, then the goods are pushed out of a side of the package which has been cut by a plurality of knives. The package is held against movement when the goods are pushed out of the package.
Inventors
- 👤 Billy Joe Scott
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 08:12
CPC Classifications
B; B65; B65B; B65B69/00; B65B69/0033
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
117 words
An apparatus for unpackaging containers from a two-portion envelope the two portions of which are hinged togethEr, the containers being disposed in upright positions in two groups respectively within the envelope portions, including: a. cutting means for making a plurality of cuts thus cutting the two portions of the envelope open on a forward vertical side of the envelope in four cutting zones respectively adjacent the corners of such side and adjacent and on opposite sides of the hinge; b. means for displacing the groups of containers horizontally in a first direction forwardly through said forward side of the envelope; and c. means for restraining the envelope against forward displacement during container displacement from said envelope portions.
Claim 2
Independent Claim
117 words
An apparatus for unpackaging containers from a two-portion envelope the two portions of which are hinged togethEr, the containers being disposed in upright positions in two groups respectively within the envelope portions, including: a. cutting means for making a plurality of cuts thus cutting the two portions of the envelope open on a forward vertical side of the envelope in four cutting zones respectively adjacent the corners of such side and adjacent and on opposite sides of the hinge; b. means for displacing the groups of containers horizontally in a first direction forwardly through said forward side of the envelope; and c. means for restraining the envelope against forward displacement during container displacement from said envelope portions.
Claim 3
Dependent Claim
54 words
A container unpackaging apparatus according to claim 1 wherein the containers in the two groups are arranged in parallel rows, said apparatus including means for displacing successive ones of the rows of containers at right angles to said first direction to form a single file of containers composed of successive ones of said rows.
Claim 4
Dependent Claim
33 words
An apparatus according to claim 1 wherein said cutting means comprises four depending knives and means for moving said knives downwardly into said envelope portions and forwardly into said four cutting zones, respectively.
Claim 5
Dependent Claim
62 words
An apparatus as defined in claim 3 including: a. a main carriage movable in the fore-and-aft direction and carrying said container displacing means; b. an auxiliary carriage movable relative to said main carriage in the fore-and-aft direction and carrying said knives; and c. means for lowering said main carriage to lower said container displacing means and said knives into said envelope portions.
Claim 6
Dependent Claim
47 words
An apparatus according to claim 4 wherein said main carriage is mounted on a vertically movable frame carrying said envelope restraining means, whereby said envelope restraining means, said container displacing means and said knives are all simultaneously lowered into said envelope portions upon lowering of said frame.
Claim 7
Dependent Claim
38 words
An apparatus as set forth in claim 5 wherein said main carriage also carries means lowerable into said envelope portions for forwardly displacing said forward side of the envelope out of the path of the groups of containers.
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) | 1978-12-15 | 1979-06-16 | 1979-12-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1982-12-15 | 1983-06-16 | 1983-12-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1986-12-15 | 1987-06-16 | 1987-12-16 | $7700.00 | Window Closed / Lapsed |