US695029A - Machine for making blanks for paper boxes. - Google Patents

Machine for making blanks for paper boxes. Download PDF

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Publication number
US695029A
US695029A US4771601A US1901047716A US695029A US 695029 A US695029 A US 695029A US 4771601 A US4771601 A US 4771601A US 1901047716 A US1901047716 A US 1901047716A US 695029 A US695029 A US 695029A
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roll
cutting
bearing
paper
shaft
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US4771601A
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John C Blevney
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JOHN S W THOMPSON
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JOHN S W THOMPSON
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Description

No. 695,029. Patented Mar. Il, |902. v
.L c'. BLEVNEY.
MACHINE FOR MAKING BLANKS FOB PAEB BOXES.
(Application led Feb. 18. 1901,) (No Model.) 2 Sheets-Sheei I.
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Patented Mar. n, |902.
J. C. BLEVNEY. lHIAGHINE FDR MAKING BLANKS FR PAPER BOXES.
[Application filed Feb. 18` 1901.)
2 Smm-.sheet 2.
(No Model.;
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UNiTnn STATES PATENT FFICE.
JOHN C. BLEVNEY, OFA NEWARK, NEW JERSEY, ASSIGNOR TO JOHN S. W. THOMPSON, OF MORRISTOVVN, NEW' JERSEY.
MACHINE FOR MAKING BLANKS FOR PAPER BOXES.
SPECIFICATION forming part of Letters Patent-No. 695,029, dated March 11, 1902.
Application filed February 18,1901. Serial No. 41,716. (No model.)
To all whom, 25 may concern:
Beit known that I, JOHN C. BLEvNEY, a
' citizen ofthe United States, residing lat Newspecification.
This invention relates to machines for scoring and cutting paper or the like for blanks for making folding paper boxes in which the Web of paper is mounted on a suitable shaft at one end of the machine and while being unwound therefrom and drawn through the machine is cut and scored into any desired blank pattern of predetermined length and design.
The object is to provide a roll which has on its peripheral surface a complete pattern of a box-blank in relief, said pattern to contain both the cutting and scoring blades which operate simultaneously and accurately in performing their function of cutting and scoring box-blanks of any desired length or design from a continuons web of paper.
Afterexhaustivc experiments I discovered that if two rolls were used, one of which serves asa bearing-roll, having a perfectly smooth hard surface and being of larger diameter than the opposite roll, and the opposite roll having a complete pattern of a boxblank in relief on its peripheral surface,fcon
4taining both the cutting and scoring blades and hardened end collars which areof such diameters as to prevent the cutters from corning in contact with the surface of thevbearing-roll, the saidend collars also serving to impart rotation to the bearing-roll, the cutting and scoring roll will cut cleanly and forl a long time. In order to produce perfect work, it is only necessary to keep the rolls perfectly parallel, so that the cutting and scoring blades would be kept at the proper distance from the bearing-roll. When so arranged, the rolls can be turned rapidly, and they will last for a long time and produce perfect work.
In the accompanying drawings,\vhich form part of this specification, Figure 1 is a vertical longitudinal section of my improved machine. Fig. 2 is a plan view of the same.
Fig. 3 is a side elevation of the cutting and scoring roll, on which is formed a complete pattern of a box-blank in relief. Fig. et is a plan view of said roll flattened out and showing the pattern of the desired blank in full.
In order that my invention may be fully understood, yreference is had to the accompanying drawings, in all of which like letters represent like parts wherever used.
In the drawings, a represents a revolving shaft or spindle which carries the web of paper h which is to be cut and scored and from which it is fed through my improved machine. This shaft a has its bearing c arranged on the rear of the machine.
The cutting'and scoring roll d is mounted in bearings e and has on its peripheral surface a complete pattern of a box-blank in relief. Said pattern contains both the cutting-blades f and scoring-blades' g. I have also included in my cutting and scoring roll ka ldevice for imprinting and embossing sultabledesigns, trade-marks, or any other desirable matter. This combination I believe to be new in the art. The box pattern is preferably made integral with the roll; but it can be made from any suitable material and attached to the roll in any well-known manner. Ihaye also found it very economical to rconstruct a roll having three boxblanks patterns in relief on the same, as, for instance, a large one and two small ones, the small ones arranged one on each 'side of the large one, thereby utilizing such parts ofthe paper which would otherwise be wasted. The
Wedge-like action of the cutting-blade spreads and supports the texture of the paper, and as this takes place Vquickly a clean separation results. It will be seen that if the stock is of a fibrous nature a separation takes place before the cutting-blades pass quite through it. It will not be necessary for the cuttingblades to bear upon and come in contact'with the bearing-roll. I have found that when the impact-points of the cutting andscoring blades are made of an obtuse angle of about forty-five degrees they give the best desired results.
t represents hardened-steel collars arranged at the ends of the roll d and which bear upon the surface of the hardened plain bearing-roll h, thereby imparting rotation by means of friction to said Iroll. The collars t' are of IOO slightly-greater diameters than the pattern in relief on the roll, which serve to keep the cutting-blades from striking the smooth bearing-surface. The rolls are rotated in the proper direction by means of a belt and friction-pulleyj, mounted on the axis lo of the roll d. The plain bearing-roll h is of larger diameter than the cutting and scoring roll d, and the sizes of the rolls are so arranged that the diameter of one roll is not a perfect multiple of the other, so that the different cutting and scoring blades will change their points of pressure against the bearing-roll with every rotation of the roll. This feature of my invention is valuable, in that it prolongs indefinitely the life of the bearing-roll.
The web of paper b is wound on a suit-able hub and carried with a revolving shaft a. The shaft is partly threaded and provided with two screw-cones Z, which enter the hub, thereby firmly securing the web of paper in position. The revolving shaft a revolves in antifriction-bearings c, it being supported on the circumferences of three smalll rolls m, which form part of the bearing. In order to accommodate the paper to the pattern on the cutting and scoring roll d, two steel plates n and n are loosely mounted on the shaft a outside of the antifriction-bearing, so that such shaft is free to move in such plates, and interposed between said plates are two heavy spiral steel springs. The collar p is securely fastened on the end of the shaft outside of one of the steel plates. An additional collar p is loosely mounted on the shaft, against which the inner plate 'n bears. The small bracket q is arranged on one side of the machine through Awhich the screw r passes. The screw is provided with a crank s, and the end of said screw bears against the end of the shaft a, so that by turning the crank in one direction the screw moves the shaft forward, thereby compressing the spiral springs, and by turning the crank in the opposite direction the springs expand and cause the shaft to return to its former position. This aords a very convenient adjustment, whereby the web of paper, which in many instances is unevenly wound, can be readily adjusted so as to enter the rolls to the best advantage and also prevents the paper from being fed between the collars and the bearing-roll.
t is an idler, which serves to keep the paper taut before it reaches the cutting and scoring roll. The idler t is mounted in bearings which are secured to the machine.
t is an adjustable feed-roll, which is mounted in adjustable bearing-blocks u, and which are secured to the main bearings e in order to properly feed the paper to the cutters, the adjustable feed-roll being driven by friction imparted to it by the smooth bearing-roll h.
Without desiring to be limited to the exact construction shown, as I am aware that changes and modifications may be made in the details of construction without departing from the spirit and scope of my invention.
Having now described my invention, what I claim as new, and desire to secure by Letters Patent, is-
1. In a machine for making paper box blanks; the roll bearing a pattern in relief and provided with end collars, in combination with a smooth bearing-roll of larger diameter so thatnew points of pressure are presented at every rotation, and which is rotated by means of friction imparted to it by the collars on said cutting-roll, substantially as described.
2. In a machine for making paper box blanks; two opposed parallel rolls, one having a smooth hardened face serving as a bearing, and the other containing a pattern of a boxblank in relief and end collars, the plain bearing-roll being of larger diameter so that new points of pressure are presented at every rotation and being rotated by means of friction imparted to it bythe end collars on the cutting-roll, and said end collars serving to keep the cutting and scoring blades from striking the bearing-roll, as and for the purposes described.
3. A machine for making blanks for paper boxes, comprising a frame carrying an imprinting-roll d, provided with end collars, a bearing-roll h, an adjustable feed-roll 29, all mounted in brackets e, the bearing-roll being driven by friction imparted to it by means of the collars on said imprinting-roll, substantially as described.
4. In a machine for cutting blanks, a bearing-roll having a hardened surface, a second rollk provided with end collars, which are adapted to rest upon and rotate the bearingroll, cutting-'blades having a cutting edge of approximately forty-five degrees secured to the cutting-roll, the cutting-blades being kept from coming in absolute contact with the bearing-roll by means of the end collars.
5. In a devicefor carrying a roll of paper, a shaft adapted to pass through the roll, means for securing the roll to the shaft, a screw arranged to bear upon the shaft to force it in one direction, and a spring adapted to force the shaft in the other direction, as and for the purposes set forth.
6. In a device for carrying a roll of paper, a shaft adapted to pass through the roll, means for securing the roll to the shaft, a screw arranged to bear upon the shaft to force it in one direction, a plate surrounding the shaft and resting against the bearing, a second plate arranged to engage the shaft, and a spring interposed between the plates lto force the shaft in the other direction, as and for the purposes set forth.
In testimony whereof I, JOHN C. BLEVNEY, have signed my name to this specification, in the presence of two subscribing witnesses, this 7th day of February, 1901.
JOHN C. BLEVNEY.
Witnesses:
FREDK. C. FIsoHER,
JOHN E. HELM.
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US4771601A 1901-02-18 1901-02-18 Machine for making blanks for paper boxes. Expired - Lifetime US695029A (en)

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3786732A (en) * 1972-02-16 1974-01-22 Westvaco Corp Cutting and scoring die
US3905283A (en) * 1974-05-08 1975-09-16 Rockwell International Corp Improved rotary cutting die

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3786732A (en) * 1972-02-16 1974-01-22 Westvaco Corp Cutting and scoring die
US3905283A (en) * 1974-05-08 1975-09-16 Rockwell International Corp Improved rotary cutting die

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