US3710539A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Container and method for packaging material sensitive to contaminants
Assignee: EIDP Inc
•
Filing: 1970-08-03
•
Granted: 1973-01-16
•
Expires: 1990-08-03
Abstract
Abstract A packaging method is disclosed using a container having an integral body member forming top, bottom and side walls, two end walls having flaps on all sides, and a plastic film shrink-fit around the container.
Inventors
- 👤 S Cothran
- 👤 J Kirk
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-24 04:26
CPC Classifications
B; B65; B65D; B65D75/00; B65D75/002; B65D75/004; B65D5/00; B65D5/02; B65D5/12; B65D5/14
Claims Analysis
Total Claims: 8
Claim 1
Independent Claim
106 words
In a method of packaging a material sensitive to contaminants, the steps of enclosing opposing ends of said material with a pair of separate end walls each having inwardly directed flaps arranged along its periphery, enclosing the remainder of the material with an integral body member having a top wall, a bottom wall, and a pair of side walls, which walls substantially cover said top, bottom and sides, holding the flaps of said end walls in position solely by positioning said flaps inside and in contact with the walls of said body member, and shrink-fitting a plastic film around said body member and said end walls.
Claim 2
Dependent Claim
106 words
In a method of packaging a material sensitive to contaminants, the steps of enclosing opposing ends of said material with a pair of separate end walls each having inwardly directed flaps arranged along its periphery, enclosing the remainder of the material with an integral body member having a top wall, a bottom wall, and a pair of side walls, which walls substantially cover said top, bottom and sides, holding the flaps of said end walls in position solely by positioning said flaps inside and in contact with the walls of said body member, and shrink-fitting a plastic film around said body member and said end walls.
Claim 3
Dependent Claim
55 words
The method as defined in claim 1 wherein said shrink-fitting is accomplished by placing a sleeve of heat-shrinkable plastic film around said body member and a sleeve of heat-shrinkable plastic film around said end walls and exposing said films to sufficient heat to cause them to shrink tightly around said body member and end walls.
Claim 4
Dependent Claim
23 words
The method as defined in claim 1 wherein one flap on each end wall is fastened to the inside of said bottom wall.
Claim 5
Dependent Claim
144 words
In a method of packaging a roll of plastic film wound on a cylindrical core, which film is sensitive to contaminants, the steps of suspending said roll between a pair of end-suspension support panels, enclosing each of said panels with a closely fitting separate end wall having inwardly directed flaps arranged along its periphery, enclosing the remainder of the space between said panels with an integral body member having a top wall, a bottom wall, and a pair of side walls, which walls substantially cover said top, bottom and sides, one flap on each end wall being fastened to the inside of said bottom wall, holding the remaining flaps of said end walls in position solely by positioning said flaps inside and in contact with the walls of said body member, and shrink-fitting a plastic film around said body member on said end walls.
Claim 6
Dependent Claim
144 words
In a method of packaging a roll of plastic film wound on a cylindrical core, which film is sensitive to contaminants, the steps of suspending said roll between a pair of end-suspension support panels, enclosing each of said panels with a closely fitting separate end wall having inwardly directed flaps arranged along its periphery, enclosing the remainder of the space between said panels with an integral body member having a top wall, a bottom wall, and a pair of side walls, which walls substantially cover said top, bottom and sides, one flap on each end wall being fastened to the inside of said bottom wall, holding the remaining flaps of said end walls in position solely by positioning said flaps inside and in contact with the walls of said body member, and shrink-fitting a plastic film around said body member on said end walls.
Claim 7
Dependent Claim
55 words
The method as defined in claim 4 wherein said shrink-fitting is accomplished by placing a sleeve of heat-shrinkable plastic film around said body member and a sleeve of heat-shrinkable plastic film around said end walls and exposing said films to sufficient heat to cause them to shrink tightly around said body member and end walls.
Claim 8
Dependent Claim
23 words
The method as defined in claim 4 wherein one flap on each end wall is fastened to the inside of said bottom wall.
References Cited (Backward Citations)
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Cited
US3259298A
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US3331105A
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US3338399A
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US3572575A
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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) | 1976-01-16 | 1976-07-17 | 1977-01-16 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1980-01-16 | 1980-07-17 | 1981-01-16 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1984-01-16 | 1984-07-17 | 1985-01-16 | $7700.00 | Window Closed / Lapsed |