US3822036A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Corner cap
Assignee: Westvaco Corp
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Filing: 1971-05-11
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Granted: 1974-07-02
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Expires: 1991-05-11
Abstract
Abstract The present invention is embodied in a corner cap construction for reinforcing shipping containers wherein the corner cap 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 without stitching, stapling, gluing or taping.
Inventors
- 👤 J Goodsite
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-02 10:26
CPC Classifications
B; B65; B65D; B65D81/00; B65D81/02; B65D81/05; B65D81/053; B65D81/055; B65D81/056; B65D59/00; B65D2581/00; B65D2581/02; B65D2581/05; B65D2581/051; B65D2581/052; B65D2581/053
Claims Analysis
Total Claims: 3
Claim 1
Independent Claim
207 words
A cushioning member in the form of a corner cap formed from a single blank of foldable sheet material comprising: a. a first base panel; b. a plurality of independent and integral cushioning cell forming panels attached to each of two adjacent edges of said base panel, said cell forming panels being separated from one another along spaced and parallel fold lines to form four distinct panels having lateral widths of different dimensions; c. each of said four distinct panels being folded to form separate cushioning cells at the two adjacent sides of said first base panel wherein the first and third panels of each cushioning cell lie parallel and separated from one another while the fourth panel of each cushioning cell lies parallel and in face-to-face contact with the first base panel; and, d. an integral locking means formed from said panels, said locking means consisting of a pair of apertures formed in said first base panel and a pair of locking tabs, one cut from each of the second, third and fourth panels and hinged in the fourth panel of each cushioning cell, each locking tab being frictionally engaged within an aperture to retain the various panels of each cushioning cell in their assembled condition.
Claim 2
Dependent Claim
207 words
A cushioning member in the form of a corner cap formed from a single blank of foldable sheet material comprising: a. a first base panel; b. a plurality of independent and integral cushioning cell forming panels attached to each of two adjacent edges of said base panel, said cell forming panels being separated from one another along spaced and parallel fold lines to form four distinct panels having lateral widths of different dimensions; c. each of said four distinct panels being folded to form separate cushioning cells at the two adjacent sides of said first base panel wherein the first and third panels of each cushioning cell lie parallel and separated from one another while the fourth panel of each cushioning cell lies parallel and in face-to-face contact with the first base panel; and, d. an integral locking means formed from said panels, said locking means consisting of a pair of apertures formed in said first base panel and a pair of locking tabs, one cut from each of the second, third and fourth panels and hinged in the fourth panel of each cushioning cell, each locking tab being frictionally engaged within an aperture to retain the various panels of each cushioning cell in their assembled condition.
Claim 3
Dependent Claim
28 words
The corner cap of claim 1 wherein the cushioning cells are formed at right angles to one another and each has a substantially figure 9 cross sectional configuration.
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) | 1977-07-01 | 1977-12-31 | 1978-07-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-07-01 | 1981-12-31 | 1982-07-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-07-01 | 1985-12-31 | 1986-07-02 | $7700.00 | Window Closed / Lapsed |