Patent US4396120A successfully refreshed from Google Patents.
US4396120A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Packing material
Assignee: RIKEN SPRING IND CO Ltd
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Filing: 1981-10-05
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Granted: 1983-08-02
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Expires: 2001-10-05
Abstract
Abstract A packing material especially for coil springs is proposed which provides for neat packing of springs without fear of springs intertwining each other. The packing material has a plurality of grooves or troughs for containing coil springs.
Inventors
- 👤 Jiro Morita
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 04:20
CPC Classifications
B; B65; B65D; B65D85/00; B65D85/07; B65D85/08; B65D73/00; B65D73/0007; B65D73/0014; B65D73/0028; B65D75/00; B65D75/28; B65D75/30; B65D75/32; B65D75/325; B65D75/327; Y; Y10; Y10S; Y10S206/00; Y10S206/813; Y10S206/82
Claims Analysis
Total Claims: 9
Claim 1
Independent Claim
39 words
A packing material for coil springs or similar articles, said material comprising a corrugated fiberboard having an adhesive layer on the outer surface of the corrugations to fasten coil springs or similar articles in the grooves between the corrugations.
Claim 2
Dependent Claim
39 words
A packing material for coil springs or similar articles, said material comprising a corrugated fiberboard having an adhesive layer on the outer surface of the corrugations to fasten coil springs or similar articles in the grooves between the corrugations.
Claim 3
Dependent Claim
63 words
A packing material for coil springs or similar articles, said material comprising a trough member having a base and a pair of side wall portions extending upwardly from the base, said side wall portions having at their top end curled lips spaced from each other by a smaller distance than the diameter of said coil spring or similar article to be contained therein.
Claim 4
Dependent Claim
63 words
A packing material for coil springs or similar articles, said material comprising a trough member having a base and a pair of side wall portions extending upwardly from the base, said side wall portions having at their top end curled lips spaced from each other by a smaller distance than the diameter of said coil spring or similar article to be contained therein.
Claim 5
Dependent Claim
65 words
A packing material for coil springs or similar articles, said material being made of a flexible material and comprising a body portion formed with a plurality of troughs for accommodating said coil springs or similar articles therein and a covering having an adhesive layer on its underside adapted to cover the upper surface of the body portion with the coil springs contained in said troughs.
Claim 6
Dependent Claim
65 words
A packing material for coil springs or similar articles, said material being made of a flexible material and comprising a body portion formed with a plurality of troughs for accommodating said coil springs or similar articles therein and a covering having an adhesive layer on its underside adapted to cover the upper surface of the body portion with the coil springs contained in said troughs.
Claim 7
Dependent Claim
34 words
The packing material as claimed in claim 3 wherein said covering is provided with a number of perforation lines equal to the number of troughs said perforation lines being spaced to overlie said troughs.
Claim 8
Dependent Claim
91 words
A packing material for coil springs or similar articles, said material being made of a flexible material and comprising a strip formed with a plurality of troughs for accommodating said coil springs or similar articles therein each of said troughs being provided with a projection at each end thereof to prevent said coil spring or similar article from sliding out of the trough and a further projection at each side of said trough at a position adjacent to the opening of said trough to prevent sidewise movement of said coil springs.
Claim 9
Dependent Claim
91 words
A packing material for coil springs or similar articles, said material being made of a flexible material and comprising a strip formed with a plurality of troughs for accommodating said coil springs or similar articles therein each of said troughs being provided with a projection at each end thereof to prevent said coil spring or similar article from sliding out of the trough and a further projection at each side of said trough at a position adjacent to the opening of said trough to prevent sidewise movement of said coil springs.
References Cited (Backward Citations)
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1986-08-01 | 1987-01-31 | 1987-08-02 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1990-08-01 | 1991-01-31 | 1991-08-02 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1994-08-01 | 1995-01-31 | 1995-08-02 | $7700.00 | Window Closed / Lapsed |