US1130909A

US1130909A - Circular calender-cutter.

Info

Publication number: US1130909A
Authority: US
Inventors: Franklin W Kremer
Original assignee: Individual
Current assignee: Individual
Priority date: 1912-05-21
Filing date: 1912-05-21
Publication date: 1915-03-09
Anticipated expiration: 1932-03-09

Description

F. W. KREMER.

GIRGULAR GALENDER. CUTTER.

APPLICATION FILED MAY 21, 1912.

1,130,909. V Patented Mar. 9, 1915.

2 SHEETSSHEET 1.

Witnesses Inventor I I I Attorneys P. W. KREMER.

CIRCULAR GALENDEB. CUTTER.

APPLIUATION FILED MAY 21, 1912.

Patented Mar. 9, 1915.

2 SEEETSSHEET 2.

Attorneys mum w. xanmna, or cannsmnr, NEW JERSEY.

GIRCULAR GALEHDER CUTTER.

To all whom it may concern Be it known that l, FRANKLIN W. KREMER,

a citizen of the United States, residing at Carlstadt, in the county-of Bergen and State of New Jersey, have invented a new and useful Circular Calender-Cutter, of which the following is a specification.

One object of the present invention is to provide a lmife so supported and construct ed that it may be employed for cutting a web upon a roller, without endangering the webthrough the tearing or dragging action of'the knife.

further object of the invention is to provide means whereby the knife may be supported yieldably, to cooperate with the Web which is upon the roll.

The invention aims to provide novel means whereby the knife may be adjusted longitudinally of the roll and transversely of the roll.

With the foregoing and other objects in View, whichwill appear as the description proceeds, the invention resides in the combinationand arrangement of parts and in the details of construction hereinafter described and claimed, it bein understood that changes in the precise embo iment of invention herein disclosed can be made within the scope of what is claimed without departing from the spirit'of the invention.

In the drawings,-Figure 1 shows the invention in end elevation; Fig. 2 is a vertical transverse section upon the line 2-2 of Fig. 1.; Fig. 3 is a side elevation of the knife-supporting structure; Fig. 4 is an elevation of the structure shown in Fig. 3, the viewpoint in Fig. 4 being 90 remote from the view point in Fig.3; and Fig. 5 is a fragmental elevation showing a modified detail of the invention.

In the accompanying drawings, the numeral 1 indicates a supporting frame which may be of any form. In the present instance, the frame 1 is disclosed as comprising spaced standards 2 in which calender rolls 3 and 4 are adjustably supported. The batch 5, which is'ordinarily a rubber com; pound, is placed against the calender rolls 50 3 and thereby is fashioned into a web 6 which may be wound upon a mandrel 7 supportedby avshaft 8, the shaft 8 being ordi narily carried by the frame 1. As the web 6 is wound upon the mandrel 7 a web 9 is introduced between the convolutions of the web" 6, for thepurpose of preventing the Patented Mar. 9, 1915.

convolutions of the web .6' from adhering, the web 9 being. ordinaril textile material. The web 9 is carried in t e' form'of a roll, upon a shaft 10 which may be journaled for rotation upon a' frame 11. j

The invention further includes a knife support 12, ordinarily taking theform of a shaft journaled in the frame 1. 'The shaft 12 is equipped with a lever 14, cooperating with a frame-supported segment 15 havin a slot 16 adapted to receive a set screw 1 which is threaded into the lever 14. By means of the lever 14, the shaft 12 may be rotated, the shaft being held at any desired positlon by manipulating the screw 17 so that the same binds against the segment 16; although any known means may be employed for limitin the movement of the lever.

A plurallty ofknife carriers are mounted upon the knife support 12, for movement longltudinally of the rolls 3, the knife carriers being connected with the knife support in such a manner that when the knife support is rotated, the carriers will be rotated. Each carrier preferably takes the form of a. collar 18 provided with a'groove 19 receiving a spline 20 which-is fashionedmpon the knife support ori'shaft 12. The collar 18 is equipped with projecting lugs 21 carrying a pivot element 22 upon which is fulcrumeda .knife holder 23, preferably taking the form of a bar. Each collar or lmife-carrier 18 is supplied with a lug 24 through-which passes a pin 25 connected by means of a pivot element 26 with one end of the knife holder 23. Upon the free end of the pin 25 may be mounted washers 27 between which is interposed a compression spring 28, the extremity of the pin 25 being threaded as shown at 29 to receive a nut 30, of any form, the nut bearing against one of the washers 27. The collar or knife-carrier 18 is provided at one side with a boss 31' into which is threaded a set screw 32, adapted to engage the shaft 12. By loosening the set screw 32, the collar 18 may be slid longitudinally of the shaft 12,

equipped with arms 38, spaced apart more widely than the arms 33, a shaft 39 being carried by the arms 38, a plurality of rotary knives 40 being. supported upon the shaft 39, and washers "41 being interposed between the knives 40 and between the lmives and the arms 38. v In practical operation, the shaft or knife support 12 is rotated through the medium of the lever 14 until the knives 35 bear yieldingly against the web 6 as thesame traverses one of the calender rolls 3. The spring 28 is thus put under tension, and the knife 35 is yieldingly held against the web. Owing to the yielding support furnlshed by spring 28, and owing to the fact that the 1 knife 35 is mounted for rotation, the knife will sever the web without causing a tearing or stripping thereof, should an obstacle in the web be encountered b the knife. As will be understood, the kni e 35 may be held at any desired adjustment with respect to the calender roll 3, through the medium of" the set screw 17. By loosening the set screws 32, the several knife-carriers 18 may be spaced at the required distances apart, the

spline mechanism 19--20 serving to hold the knife-carriers 18 tion therewith.

It is desirable at times to sever the web 6 into strips .of but slight width, and to accomplish this result, the 'double knife con upon the shaft 12 for rotastruction shown in Fig. 5 may be employed. 7 Having thus described the mventlon,

what is claimed is:-

1. In a device of the class described, a roll; means for supportingthe roll; a rotar knife; and means for a usting the kni e in a fixed straight line longitudinally of the roll, and transversely of the roll.

2. In a device of the class described, a roll; means for supporting the roll; a rotary knife; means for adjusting the knife longi .3

tudinally of the roll; means for adjusting the knife transversel of the roll; and yieldable means, indepen ent of the last specified adjusting means, for limiting the movement of the knife transversely. of the axis of the roll. 1

3. In a device of the class described, a roll; means for supporting the roll; a lnnife support; and a rotary knife adjustable along the su the length 0 the roll and cooperating with the roll; I v I 4. Ina deviceof the class described, a roll; means for supporting the roll; a knife support rotatably mounted adjacent the roll; a rotary knife adjustable along the sup ort only in the direction of the length of-the roll; and means for rotating the su pofit-to, move the knife transversely of t e ro '5. In a deviceoftheclass; described, a roll; means for supporting the roll; a knife the port onlyin the direction of 6. In a device of the class described, a

roll; means for suppo'rting the roll; a. knife support mounted for rotation adjacent the roll; a knife carrier movable upon the support, longitudinally only of the roll; means a I forsecuring the knife carrier to the support; and means for rotatin the support! ad 7ust the carrier transverse y of the'rolli In a device ofjthe class described, a 7 roll; means forv supportingthe roll; a knife support mounted for rotation adjacent the 1 port longitudinally only of the rollflnterroll; a knife carrier movable upon the'supengaging -elements upon the carrier and upon the support for preventing relative ro-.

tatory movement I only between the carrier and the support; and means for rotating the support to adjust the carrier transversely of the roll.

8. In a device of the a roll; means for sup ortingthe roll; a knife a support jo'urnaled or rotation adjacent the roll; a knife-carrier movableu on the knife support longitudinally only, 0 the roll; in-v.

terengagmg elements upon the knife carrier and upon the supportfor preventing 1618-;

tive rotatory movement only between; the

1100 carrier and the support; means independent of the interengaging elements for retaining the carrier upon the su port against movethe support; and; means for rotating;the support to.:adjust mentlongitudinally o the position of the carrier transversely of n the roll.

9. In a device of the class described {a r011; means for sup orting the roll; a knife support located ad acent the roll; a -knife carrier movable upon the sup ort, longitu-- dinally of the roll; avknife ho .der ivotally connected 'with the carrier; an i-spring means operatively connected with. the

holder and with the carrier to move; the.

holder transverselyof the axis-of the roll.

10. In a deviceof the classdescribediaz roll; means for sup orting the roll; a kmfe support ournaled or rotation adjacentthe.

roll; a fe carrier movable lon tudinally only of the su port;-a knife ho ally connecte with? the carrier; sp

and the carrier for-moving. the holdertrm t der pivotmeans operatively connected with. the holder the carrier for preventing-s relative rotatory"- movement between the carrier sand the sup port; and meansfor' rotatrisngg the SIIPPQ .t0; f the I adjust the holder transve .i sufiport ournaled for rotation adjacent the a knife carrier adjustable upon the support longitudinally only of the roll; interengaging elements upon the carrier and upon the support for preventing relative rotatory movement only between the carrier and the support; means independent of the interengaglng elements for maintaining the carrier against movement longitudina the support; a knife holder pivoted to the carrier; spring means operatlvely. connecting the holder and the carrier for moving the carrier transversely of the axis of the roll; a knife mounted upon the holder; and means for rotating the support.

, 12. In a device of the class described, a roll; means for supporting the roll; a knife support journaled for rotation adjacent fig-ale roll; a knife carrier adjustable longitu nally only of the support and held upon the I support for rotation therewith; a knife supported by the carrier; means for rotating the support to move the knife transversely of the roll; andmeans for locking the support in successive positions. H

In testimony that I claim the foregoing as my own, I have hereto aflixed my signature 1n the presence of two witnesses.

FRANKLIN W. KREMER. Witnesses:

J. A. Mmmm, FRANK DEWITT.