US1055610A - Machine for cutting corrugated paper-board. - Google Patents

Description

1). CHURCH. MAGHINE FOR-CUTTING CORRUGATED PAPER BOARD.

7 APPLICATION FILED NOV. 30, 1908. 1,055,610. Patented Mar. 11, 1913.

Mme 147901 D671, 21 (29 671102124 32 hi6 whom/1mg 'being'ia 'gradual and progressrvelone jex-f 3 first punctured or perorated-ata point m'adejby puncturingiwi'll graduallsr.

' ters. lMloreover, it will be clea'r that' a cut:

I and cleanly, is obtained by the toothed or cutting edges 21 having 'the-desired'angle,

6o changed with increase or decrease of the differentconditions, and thismay be done down on thetops puncturing or perforat'ing'portions" thereof;

. end of "thecutting edge of the corrugated board operates to puncture -orperforate'the arched} :tain aspects] of invention -i-t-z-isf essentiar Y axes or median-.line's 'offlsaid. V-shaped -teetn girl to, pierce the materialto-besevered.

Zlength of stroke, i e., "-as'trokei-fsuflicient such material: board. be;

[points of slight resistance and the-openings.

creased in the' same -manneriby :the sa teeth, "a' of resistance'beiiigsther, by' opposedfby the corrugated board to, the} cutting action, instead of l the maximum .re-f I sistance which is opposedwhen-asubstaii tiall'y; straight --ed'gedi cutter; isi brought of-the arches o the gations, 2 v, The cutting edges; of. the mov ble. utters-'- 17.. are designated-generally by; 21,-- me: the

here shownas -saw. -teeth, are, designatedlb 22. It will benotioed that the, 'size; jof

teeth '22 decreases from the -begim ing=.to lie- 'rtn movable .s nought 'jQn.

-ter.- Sl qh a cutter wh cettf ij h lactionfboth :i'n puncturin and." m; severing tend ng; r om: the; -beginningtojthe' findlfoia each cutting-edge, because, of the inclination .ual decrease in the size otthe teeth; 1n.-c'er that-iboth'side edgesi oi-each Vshapedc'utting-tooth be' sinnlarlyl sharpened, and the should be approximately;at'rightangles to. thestationary cutter as the respect vaieeth of. the movable cutter contact .wit irand be;

By means of cutters; of; the type vdescribed, corrugated boardiand other fibrous material is cut cleanlyland'withthe least resistance to the action oifthe movable cutter of such'type permitslof theuse of a cutter blade of indefinite length having little or no angle to the opposing. fixed cutter and, consequently requiringa ."only: am nimum "merely to provide'for pro'pe'r clearance of the work. The reasonfior;this iSQthat'the necessary or desired angle ofshear, which is a considerable one .to cutf-fibrous'stock easily serrated formation of the cutting:edge of the cutter blade which provldes the. series of with respect to theopposing or fixedcutter. Furthermore with this type-of cutter the stroke. of .the' machine need never be length of slot or cut whichiha's to be produced. at one stroke of theccutter, because the angle of the 'cutting-edgesill to the opposing cutter 18 may bevaried to slut hs'fial'fiori'ga if et i li iimat riii' merel b in; ei" .ofsa-ided' es or' f 'l lifiishfii t st'roie of the mfbhine "permittedI-bynseofr'fth-e described type of ccutter also makesit possible'toausefa' simple light, :co'mpa'ct 'jand high;speed"machine. to

d fh r-wr h tofor o e. by

cutter edge and-(2 1.1- re m f0 preventingij thel material being carried '1the 'ascent -ofjthefcross-head 5 Gages eatlng thematerial' ii1-;i tsjproper'position to" iii-to be cut or slottedthifiesired: dis

tancefiroin bne ed e, and-"the usual} strip pers. 2iareprovidje at opposite sides; of the 'sflotsgl8sforl' clearing .the cutters by -l 1olding the material .do vn. ;whe1i the cross-head. alsi, cends; aiBotliftheigages-23- and 'thestrippers 24 are -Idj1 S t3ble,..fas" are the movable trstllg, thes'gagesbeing adjustable cross-z wise-pf the head-J5 while the strippersland itheifixedfand inova'blecutters are adj ustable' a' direction lengthwise of the cross-head. While I- =hav e -1 shbwn and described tone :de'si'rable embodiment of: my .-invention, *1

to the particular-form? thereof which I have disclosed; for it is obvious that the same may beivariously-modified without departingfrom the principle-of my invention,

and as. all such obvious changes and modifi-' cations areiwithin' the purview ofmy in-' vent1on,'I do ;not limit, myself to anything shown and describede'x'cept so far as I may be limited by the vention belongs.

What I-clairnisz; I I I v 1. In; a machine for cuttingcorrugated paper boardand the like, the combination of 'substantiallyjhorizontal bedhavinga prior art to whichthe in "straight edgedstationary knifeon which the paperboard is laid, aknife'movable down ward to;- cotiperate with said stationary knife, and having a saw toothedcutting edge formed of aplurality of V-shaped' -teeth each'of which is similarly sharpenedalong' both side edges," and power operated means toso operate said movable knife that its sawtoothed. edge, as it contacts with the paper board, isarranged at an angle to the latter and to' the stationary knife so that one end portion of the toothed edge begins to out before the other end portion, whereby the paper board or. the like is simultaneously punctured and. sheared at successive points along the cutting line. i

'- 2, In a cnttinglmachl'ne, the comblnation of two cooperating cutters, one of which is movable in a path substantially at right angles to the other, one of said cutters bemuch larger andl heavier-machine haying fa "pe t esse ut or; slotted and.

usher-teams for the purpose qofjlo- .l

edges, and the teeth .ofsai ingprovided with a "saw-toothed cutting.

' edge arranged atan. angle to the cutting edge of the other said edge formed of V-' shaped teeth similarly .sha'r ened on both toothed edge gradually decreasing in ize from end to end, as described. I e

, In a cutting machine, a. cutter having- .a straight cuttmgedge, and a second cutter" movable atright angles to said first named c1itter and provided withasaw-toot-hed cuttii 1g edge' arranged, as a whole, at an in-' velmation to the straight cutting edge of the first named cutter, thesaw-teethlwhich be-l gin the out being of 'la'rger.'size .than those lat the'o'ppositejend of the toothed edge. I

"4. 111.2) mgicliine .for cutting corrugated paperboard and the like, the combination of-a substantiallyhorizontal bed having-astationary knife on which the paper board .is laid a'knife movable-downward to coing a cutting edge formed of a plurality of operate with said tationary knife and hav- V-shaped teeth each of Wl1lOl1 iS similarly shar ened alon -both side ed es and means to so operate-said movable knife that' its aforesaid cutting edge,-as it contacts with the paper board, is arranged at an angle to the latter and to the stationary knife, whereby the paper" board or'the like is simultaneously punctured and sheared at suc cessive points along the cutting line.

'5. In a machine; for-cutting corrugated, paper board and the like, the combination of a substantially fixed bed havinga stationarytknife on which the paper board is laid, a knife movable downward to 006peratewith said stationary knife and'haviug acutting edge formed of a' plurality of-V- shaped teeth the side edges of which are similarly sharpened,- and' means fto; so no erate said movab1e.. knife that fits aforesaid j cutting edge, as it -contae ts" w,i th the aper board, is arranged at-an angle toith'e atter and to the stationary knife so that one end approximatelyat right anglesto the stationary knife asthe respective teeth contact with and material. v w

6. In a machine for cutting corrugatedpalperbba'id and the like, the combination 'of a substantially hdri'zontal bed ll'M-illg a stationary knife on which the pape'ris' laid,

pierce the paperboard -or other portion of said cutting edge begins to cut a. before the other end portion, the' median lines or axes of said teeth being directed a vertically. movable cross head above said,

bed, and a knife secured to said cros's. head 1 and movable downward-therewith to co operate with said ystationary' knife,- said rected at an angle to the cutting edge of the- {movable ,knife'having its cutting edge di'- stationary knife land the cuttingedge 'of said movable knife being formed by m1 ralityof V -'shaped teeth similarly sharp-5 cued alongboth" side edges and progress'ively increasing-in size toward that end of the movable knife which first contactswith th'e paper boarder other material,.tl1e

median lines of said teeth bei-u'g approxi-' mately at right angles to the stationary knife.

' Signed-"at Rochester, in the'cou'n'ty of- Monroe'and State of New York, .this 16th,

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