US3613985A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner post
Assignee: Westvaco Corp
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Filing: 1969-06-03
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Granted: 1971-10-19
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Expires: 1989-06-03
Abstract
Abstract The present invention is embodied in a corner post construction for reinforcing shipping containers wherein the corner post comprises a plurality of panels of multi-ply corrugated paperboard or the like which panels are folded adjacent one another in face-to-face contact and secured together using an integral means which includes an aperture cut in one panel and a tab element formed from one or more of the other panels.
Inventors
- 👤 James R Goodsite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-23 19:03
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/05; B65D81/053; B65D81/054; B65D2581/00; B65D2581/02; B65D2581/05; B65D2581/051; B65D2581/052; B65D2581/053
Claims Analysis
Total Claims: 7
Claim 1
Independent Claim
210 words
A cushioning member formed from a blank of foldable sheet material comprising: a. a base panel; b. a plurality of cushioning cell forming panels, separated from one another along parallel fold lines and attached to one edge of said base panel; c. said blank comprising at least five distinct panels including said base panel, so that the cushioning cell forming panels form a corner post when folded with said first and fifth panels lying parallel and in face-to-face contact with one another, and said second and fourth panels being parallel but separated from one another; d. integral means formed from said panels for securing said panels together; e. said integral means further comprising an aperture formed in the base panel and a cooperating locking tab cut from the third and fourth panels and hinged in the fifth panel; f. said blank including at least one additional panel hingedly attached to the free edge of said base panel and folded over to lie parallel and in face-to-face contact with said base panel; and, g. said one additional panel including an aperture which is contiguous with the aperture in said base panel and which cooperates with the locking tab to maintain said first, fifth and said one additional panels in face-to-face contact.
Claim 2
Dependent Claim
210 words
A cushioning member formed from a blank of foldable sheet material comprising: a. a base panel; b. a plurality of cushioning cell forming panels, separated from one another along parallel fold lines and attached to one edge of said base panel; c. said blank comprising at least five distinct panels including said base panel, so that the cushioning cell forming panels form a corner post when folded with said first and fifth panels lying parallel and in face-to-face contact with one another, and said second and fourth panels being parallel but separated from one another; d. integral means formed from said panels for securing said panels together; e. said integral means further comprising an aperture formed in the base panel and a cooperating locking tab cut from the third and fourth panels and hinged in the fifth panel; f. said blank including at least one additional panel hingedly attached to the free edge of said base panel and folded over to lie parallel and in face-to-face contact with said base panel; and, g. said one additional panel including an aperture which is contiguous with the aperture in said base panel and which cooperates with the locking tab to maintain said first, fifth and said one additional panels in face-to-face contact.
Claim 3
Dependent Claim
19 words
The corner post of claim 1 wherein said corner post when folded has a substantially figure ''''9'''' cross-sectional configuration.
Claim 4
Dependent Claim
16 words
The cushioning member of claim 2 wherein said blank of foldable sheet material comprises corrugated paperboard.
Claim 5
Dependent Claim
15 words
The cushioning member of claim 3 wherein said corrugated paperboard is of multiple web construction.
Claim 6
Dependent Claim
34 words
The corner post of claim 4 wherein said one additional panel is narrower than said first base panel and lies parallel and in face-to-face contact with the front side of said first base panel.
Claim 7
Dependent Claim
36 words
The corner post of claim 4 wherein said one additional panel is substantially the same width as said first base panel and lies parallel and in face-to-face contact with the backside of said first base panel.
References Cited (Backward Citations)
US1713548A
Cited
US2271265A
Cited
US2670125A
Cited
US2707587A
Cited
US2932438A
Cited
FR1336309A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1974-10-18 | 1975-04-19 | 1975-10-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1978-10-18 | 1979-04-19 | 1979-10-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1982-10-18 | 1983-04-19 | 1983-10-19 | $7700.00 | Window Closed / Lapsed |