US3850085A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Method and apparatus for fabricating an elongated carton
Assignee: Individual
•
Filing: 1973-05-11
•
Granted: 1974-11-26
•
Expires: 1993-05-11
Abstract
Abstract The method and apparatus for fabricating an elongated carton from a carton blank including a forming means for continuously and progressively folding the outer side panels of a carton from one end to the other as the carton is moved through the forming means. The forming means is comprised of two sets of stationary roller assemblies mounted on opposite sides of the travel path of the carton with one of said roller assemblies adapted to progressively fold one outer panel of the carton blank and the other of said roller assemblies adapted to progressively fold the other outer side panel of the carton blank. A bead of liquid adhesive is applied to the carton blank through a stationary glue dispensing head positioned above the travel path of the carton blank at the outlet of the forming means. A compression means including a power conveyor belt and a plurality of rollers compresses the side panels into overlapping contact with each other after the adhesive has been applied thereto and further maintains such compression on the overlapped panels until the adhesive has set. The carton is driven through the forming, gluing and compression means by the action of a powered conveyor belt and a stationary roller mounted adjacent the top surface of the belt at one end thereof.
Inventors
- 👤 L Klemm
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-03 06:20
CPC Classifications
B; B31; B31B; B31B50/00; B31B50/26; B31B50/36; B31B2100/00; B31B2100/002; B31B2100/0022; B31B2120/00; B31B2120/30; B31B50/56; B31B50/60; B31B50/62; B31B50/626
Claims Analysis
Total Claims: 21
Claim 1
Independent Claim
248 words
Apparatus for fabricating a carton from a carton blank comprising: a forming means for continuously and progressively folding the outer side panels of a carton from one end to the other as the carton is moved through said forming means, said forming means including two sets of stationary roller assemblies mounted on opposite sides of the travel path of the carton, one of said roller assemblies adapted to progressively fold one outer panel of the carton blank and the other of said roller assemblies adapted to progressively fold the other outer side panel of the carton blank; a gluing means for applying adhesive to one of said side panels before it makes contact with the other of said side panels; a compression means for compressing said side panels into overlapping contact with each other after the adhesive has been applied thereto; drive means for driving a carton through said forming means, said drive means including a powered conveyor belt and a stationary roller mounted adjacent the top surface of said belt at the inlet end of said forming means; and an elongated hold-down means for maintaining the central portion of the carton blanks in a horizontal position as the outer side panels are being folded by the action of said roller assemblies on said side panels, said hold-down means further adapted to force the cartons into frictional engagement with said powered conveyor belt to thereby aid said drive means in driving the carton blanks through the forming means.
Claim 2
Dependent Claim
248 words
Apparatus for fabricating a carton from a carton blank comprising: a forming means for continuously and progressively folding the outer side panels of a carton from one end to the other as the carton is moved through said forming means, said forming means including two sets of stationary roller assemblies mounted on opposite sides of the travel path of the carton, one of said roller assemblies adapted to progressively fold one outer panel of the carton blank and the other of said roller assemblies adapted to progressively fold the other outer side panel of the carton blank; a gluing means for applying adhesive to one of said side panels before it makes contact with the other of said side panels; a compression means for compressing said side panels into overlapping contact with each other after the adhesive has been applied thereto; drive means for driving a carton through said forming means, said drive means including a powered conveyor belt and a stationary roller mounted adjacent the top surface of said belt at the inlet end of said forming means; and an elongated hold-down means for maintaining the central portion of the carton blanks in a horizontal position as the outer side panels are being folded by the action of said roller assemblies on said side panels, said hold-down means further adapted to force the cartons into frictional engagement with said powered conveyor belt to thereby aid said drive means in driving the carton blanks through the forming means.
Claim 3
Dependent Claim
78 words
Apparatus for fabricating a carton according to claim 1 in which each of said roller assemblies is comprised of a plurality of roller members mounted along the travel path of the carton, the roller members of each assembly positioned at progressively different angles from the inlet end to the outlet end of said forming means, the progressive angle of said rollers moving first upwardly from the horizontal to the vertical and then downwardly and inwardly from the vertical.
Claim 4
Dependent Claim
56 words
progressively folding the outer two side panels of the blank from one end to the other, said outer side panels being progressively folded from a substantially horizontal position upwardly to a substantially vertical position and then downwardly and inwardly to a position wherein a portion of one outer panel overlaps and is spaced from the other;
Claim 5
Dependent Claim
56 words
progressively folding the outer two side panels of the blank from one end to the other, said outer side panels being progressively folded from a substantially horizontal position upwardly to a substantially vertical position and then downwardly and inwardly to a position wherein a portion of one outer panel overlaps and is spaced from the other;
Claim 6
Dependent Claim
17 words
applying an adhesive to one of said outer side panels in the area where the panels overlap;
Claim 7
Dependent Claim
17 words
applying an adhesive to one of said outer side panels in the area where the panels overlap;
Claim 8
Dependent Claim
36 words
Apparatus for fabricating a carton according to claim 1 in which said forming means includes means for adjusting the spacing between said two sets of stationary roller assemblies to thereby accommodate carton blanks having various widths.
Claim 9
Dependent Claim
46 words
Apparatus for fabricating a carton according to claim 1 in which one set of said roller assemblies is adapted to fold one outer side panel of the carton blAnk at a greater angular rate than will the other roller assembly fold the other outer side panel.
Claim 10
Dependent Claim
16 words
continuing the folding operation to cause said outer panels to make contact with each other; and
Claim 11
Dependent Claim
16 words
continuing the folding operation to cause said outer panels to make contact with each other; and
Claim 12
Dependent Claim
10 words
maintaining said panels under compression until the adhesive has set.
Claim 13
Dependent Claim
10 words
maintaining said panels under compression until the adhesive has set.
Claim 14
Independent Claim
173 words
The method of fabricating an elongated carton from a carton blank having four side panels comprising the following steps: (1) applying a frictional force to the carton blank to cause it to be moved in a linear direction, a major portion of said frictional force being applied to the carton prior to step (2) and a minor portion of said frictional force being applied to the carton during step (2); (2) progressively folding the outer two side panels of the blank from one end to the other, said outer side panels being progressively folded from a substantially horizontal position upwardly to a substantially vertical position and then downwardly and inwardly to a position wherein a portion of one outer panel overlaps and is spaced from the other; (3) applying an adhesive to one of said outer side panels in the area where the panels overlap; (4) continuing the folding operation to cause said outer panels to make contact with each other; and (5) maintaining said panels under compression until the adhesive has set.
Claim 15
Independent Claim
173 words
The method of fabricating an elongated carton from a carton blank having four side panels comprising the following steps: (1) applying a frictional force to the carton blank to cause it to be moved in a linear direction, a major portion of said frictional force being applied to the carton prior to step (2) and a minor portion of said frictional force being applied to the carton during step (2); (2) progressively folding the outer two side panels of the blank from one end to the other, said outer side panels being progressively folded from a substantially horizontal position upwardly to a substantially vertical position and then downwardly and inwardly to a position wherein a portion of one outer panel overlaps and is spaced from the other; (3) applying an adhesive to one of said outer side panels in the area where the panels overlap; (4) continuing the folding operation to cause said outer panels to make contact with each other; and (5) maintaining said panels under compression until the adhesive has set.
Claim 16
Dependent Claim
47 words
The method of fabricating an elongated carton according to claim 5 in which one side panel is folded at a greater rate than the other side panel so that the panels will not interfere with each other as they are folded into overlapping relationship with each other.
Claim 17
Dependent Claim
38 words
The method of fabricating an elongated carton according to claim 5 in which said adhesive is applied by moving the carton past a stationary dispensing head from which a liquid adhesive is caused to flow onto the carton.
Claim 18
Dependent Claim
31 words
The method of fabricating an elongated carton according to claim 5 in which said progressive folding step is performed by moving the carton blank between a pair of stationary roller assemblies.
Claim 19
Independent Claim
19 words
The method of fabricating an elongated carton from a carton blank having four side panels comprising the following steps:
Claim 20
Independent Claim
19 words
The method of fabricating an elongated carton from a carton blank having four side panels comprising the following steps:
Claim 21
Dependent Claim
48 words
The method of fabricating an elongated carton according to claim 9 in which said frictional force of step (1) is applied to the carton by a moving conveyor belt contacting the underside of the carton and at least one roller member contacting the top side of the carton.
References Cited (Backward Citations)
US3105419A
Cited
US3270628A
Cited
US3153991A
Cited
US3225666A
Cited
US3266391A
Cited
US3291007A
Cited
US3530643A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1977-11-25 | 1978-05-27 | 1978-11-26 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1981-11-25 | 1982-05-27 | 1982-11-26 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1985-11-25 | 1986-05-27 | 1986-11-26 | $7700.00 | Window Closed / Lapsed |