Claims
- 1. A method of closing an open end of a tube or tubular continer, having upstanding walls, the end edges of which walls are folded-over and adhered to said walls to form a folded-over, reinforced portion of double thickness at that end of the tube or tubular container, the inner exposed surface of said folded-over, edge-reinforced portions of the upstanding walls having areas of low resistance defined therein for facilitating the removable securement of a closure member thereto, comprising the steps of placing a container closure member, comprising an upstanding tubular inner wall conforming to the inner surfaces of the walls of the tube or tubular container to be closed by said closure member, and
- a downstanding tubular outer wall connected thereto by a bight and conforming to the outer surfaces of the walls of the tube or tubular container to be closed by said closure member,
- thereby forming a tubular channel in which said upstanding walls can be seated in frictional engagement, and
- a centrally located upwardly-elevated dome portion, defined by an upstanding dome-forming wall which is inwardly spaced from the said upstanding tubular inner wall of said closure member, the said two upstanding walls of said closure member defining a tubular valley therebetween, onto the reinforced end of said tube or tubular container, and forcing lugs in the upstanding tubular inner wall of said closure member into complementary areas of low resistance in the inner exposed surface of the walls of the said tube or tubular container.
- 2. Method of claim 1 which includes the step of adhering said lugs in said areas of low resistance by means of adhesive in said areas of low resistance.
- 3. Method of claim 2, wherein said adherence is effected by means of heat-activatable or hot-melt adhesive in said areas.
- 4. A method of closing an open end of a tube, having upstanding walls, the end edges of which walls are folded-over and adhered to said walls to form a folded-over, reinforced portion of double thickness at that end of the tube, the inner exposed surface of said folded-over, edge-reinforced portions of the upstanding walls having areas of low resistance defined therein for facilitating the removable securement of a closure member thereto, comprising the steps of placing a container closure member,
- comprising an upstanding tubular inner wall conforming to the inner surfaces of the walls of the tube to be closed by said closure member, and
- a downstanding tubular outer wall connected thereto by a bight and conforming to the outer surfaces of the walls of the tube to be closed by said closure member,
- thereby forming a tubular channel in which said upstanding walls of said tube can be seated in frictional engagement, and
- a centrally located upwardly-elevated dome portion, defined by an upstanding dome-forming wall which is inwardly spaced from the said upstanding tubular inner wall of said closure member, the said two upstanding walls of said closure member defining a tubular valley therebetween, onto the reinforced end of said tube or tubular container and forcing lugs in the upstanding tubular inner wall of said closure member into complementary areas of low resistance in the inner exposed surface of the walls of the said tube or tubular container.
- 5. Method of claim 4 which includes the step of adhering said lugs in said areas of low resistance by means of adhesive in said areas of low resistance.
- 6. Method of claim 5 wherein said adherence is effected by means of heat-activatable or hot-melt adhesive in said areas.
- 7. A method of closing an open end of a tubular container, having a bottom and upstanding walls, the end edges of which walls are folded-over and adhered to said walls to form a folded-over, reinforced portion of double thickness at that end of the tubular container, the inner exposed surface of said folded-over, edge-reinforced portions of the upstanding walls of said container having areas of low resistance defined therein for facilitating the removable securement of a container closure member thereto, comprising the steps of placing a container closure member,
- comprising an upstanding tubular inner wall conforming to the inner surfaces of the walls of the container to be closed by said closure member, and
- a downstanding tubular outer wall connected thereto by a bight and conforming to the outer surfaces of the walls of the container to be closed by said closure member,
- thereby forming a tubular channel in which said upstanding walls of said tubular container can be seated in frictional engagement, and
- a centrally located upwardly-elevated dome portion, defined by an upstanding dome-forming wall which is inwardly spaced from the said upstanding tubular inner wall of said closure member, the said two upstanding walls of said closure member defining a tubular valley therebetween, onto the reinforced end of said tubular container and forcing lugs in the upstanding tubular inner wall of said closure member into the complementary areas of low resistance in the inner exposed surface of the walls of the said tubular container.
- 8. Method of claim 7 which includes the step of adhering said lugs in said areas of low resistance by means of adhesive in said areas of low resistance.
- 9. Method of claim 8, wherein said adherence is effected by means of heat-activatable or hot-melt adhesive in said areas.
Parent Case Info
This is a division of application Ser. No. 71,242, filed Aug. 30, 1979, now U.S. Pat. No. 4,291,829, issued Sept. 29, 1981.
US Referenced Citations (7)
Divisions (1)
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Number |
Date |
Country |
Parent |
71242 |
Aug 1979 |
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