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US3987710A Expired / Lapsed US ⏱️ 0.0 years remaining

Carton squaring mechanism in a case erector

Assignee: ABC Packaging Machine Corp
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Filing: 1976-01-21
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Granted: 1976-10-26
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Expires: 1996-01-21
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Abstract

Abstract A machine is disclosed for erecting cases stored in upright, flattened positions in storage magazines. The machine includes means for extracting end member cases from the magazines, for dropping the extracted cases into drop chutes, for urging the cases in a generally horizontal direction out of the drop chutes, for opening the flattened cases by spreading the case sides apart, for tucking in lower case end flaps, for folding one case bottom panel in under the tucked end flaps, for applying adhesive to the bottom surface of the folded bottom panel, for folding another bottom panel in under the bottom panel having adhesive thereon, and for compressing the two bottom panels together.

Inventors

  • 👤 Donald G. Reichert

Bibliographic Details

Application Number —
Jurisdiction US
Data Source google_patents
Last Synchronized 2026-10-31 18:50
CPC Classifications
B; B65; B65B; B65B43/00; B65B43/26; B65B43/30; B65B43/305; B65B43/12; B65B43/14; B65B43/16; B65B43/18; B65B43/185; B31; B31B; B31B2100/00; B31B2120/00; B31B2120/30; B31B50/00; B31B50/004; B31B50/0044; B31B50/02; B31B50/04; B31B50/06; B31B50/74; B31B50/76; B31B50/80; B31B50/802

Claims Analysis

Total Claims: 4
Claim 1
Independent Claim 75 words
In a case erecting machine apparatus for squaring the sides of cases being moved along a preselected path, said apparatus comprising a case stop; means for positioning said stop along said path; a pair of mounting plates pivotally mounted to opposite sides of said path; spring means biasing said mounting plates inwardly towards said path; and a pair of rollers rotatably supported upon said mounting plates for rotatable engagement with the sides of the cases.
Claim 2
Dependent Claim 75 words
In a case erecting machine apparatus for squaring the sides of cases being moved along a preselected path, said apparatus comprising a case stop; means for positioning said stop along said path; a pair of mounting plates pivotally mounted to opposite sides of said path; spring means biasing said mounting plates inwardly towards said path; and a pair of rollers rotatably supported upon said mounting plates for rotatable engagement with the sides of the cases.
Claim 3
Dependent Claim 22 words
The apparatus of claim 1 comprising a pair of plate stops for limiting inward movement of said mounting plates towards said path.
Claim 4
Dependent Claim 19 words
The apparatus of claim 1 comprising means for adjusting the distance said rollers are supported from said casee stop.

References Cited (Backward Citations)

US3312154A Cited
US3620138A Cited
US3473447A Cited

USPTO Annuity & Maintenance Windows

Annuity Stage Window Opens Payment Deadline Surcharge Period Until Estimated Fee Status
3.5 Years (Year 4) 1979-10-26 1980-04-26 1980-10-26 $2000.00 Window Closed / Lapsed
7.5 Years (Year 8) 1983-10-26 1984-04-26 1984-10-26 $3760.00 Window Closed / Lapsed
11.5 Years (Year 12) 1987-10-26 1988-04-26 1988-10-26 $7700.00 Window Closed / Lapsed

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