US1976882A - Apparatus for corrugating collars for wear - Google Patents

Description

Oct. 16, 1934. H. s. HELE-SHAW APPARATUS FOR CORRUGATING COLLARS FOR WEAR Filed Oct. 29, 1932 3 Sheets-Sheet l Oct. 16, 1934. H. s. HELE-SHAW APPARATUS FOR CORRUGATING COLLARS FOR WEAR Filed Oct. 29, 1932 3 Sheets-Sheet 2 Oct. 16, 1934. H s, HELESHAW 1,976,882

APPARATUS FOR CORRUGATING COLLARS FOR WEAR Filed Oct. 29, 1932 3 Sheets-5heet 3 9&5:- scription, conjunction with-the accompanying Patented Oct. 16, 1934 PATENT-OFFICE APPARATUS FOR GORRUGATING ooLLARs FOR WEAR i 7 Henry Selby Hele-Sham'Westminster, London, I

England Application October 29, i932, Serial No. 640,368

' In Great Britain April 23, 1932 3 Claims.' (01. 223-42):

The present invention concerns improvements in-"or r'elatingto apparatus for corrugating the inner band of a stiiT double collar for personal wear,'which apparatus is characterized by the useof a plurality of toothed elements so arranged that the teeth of one element are adapted to mesh with those of "an adjacent element, and that the material to be corrugated can be passed between the meshing teeth when it is bent at a right angle along a line intermediate between the margin being corrugated and the opposite marginand so that the uncorrugated margin'may lie closely adjacent to the end of the said teeth, whereby the uncorrugated margin may without distortion take up a suitable curve due to the shortening of the overall length of the edge of the corrugated margin; the invention will be describedillustratively in relation to apparatus suitable for" corrugatin collars eitheras'a' step in manufacture or'when re-laundered. I

On'e object of the invention is to' provide novel apparatus suitable for corrugating the inner band of astifi double collar for personal wear in order to give it such a form that a tie can be more readily adjusted between the inner and outer band'sof-the collar than is usually the case at present. a r a Anotherobject-of the invention is to provide apparatus which will by corrugating it give a stiff double collar for personal wear the whole curvature necessary, whereby a collar may be made from a single piece of plane material bent along a straight line to form the said piece into the inner and outer bands of the'collar.

a A further object is to provide apparatus suitable for corrugating the inner band of a stiff double collar for personal wear by means of which the depth or" the corrugations can be readily altered along thewhole length of acorrugation; or can be varied at one part of a corrugation relatively to another part of a, corrugation.

"The various objects and the severalfeatures of the invention will becomemore fully apparent to thoseiskilled inthe art from the following dediagramrnaticidrawings, of the aforementioned illustrative apparatus. V

elevation of the app m s sh w 2;

Fig. dis a ge'neralview of the apparatus of which are shownin Figs. ,2 and 3; t

Fig. 5 is a rear sectional elevation corresponding to Fig. 3 but showing difierentmeans of support ing the'rollers;

-Fig. 6 is a partial sectional plan showing a construction of floatings'upplernentary guide that is controlled automatically by the'collar; and

Fig. 7 is a partial sectional elevation showing tapered rollers. M

A complete collar whencorrugated by apparatus of the invention is shown in Fig. 1. 7

Figs. 2, 3 and 4 show various parts of the illustrative apparatus. This apparatus comprises a frame 31; in the lower part of the right hand side of the frame there is mounted a spindle 33 which carries oneendof a toothed lower roller 35 and which is provided with a. cranked handle 37." The other end of the roller35 is supported on a pin 39 (Fig.3) vwhichprojectsinwardly from apillar 41 screwed to the base of theirame 31. V A toothedupper roller 43'is mounted upon a spindle 45 which is carried by two floating bearings 4'7, oneat each endof the spindle; the bearings are helddown .by compression springs 49, the strengthof which is adjusted by screws 51 hearing on discs "53 resting on thetops of the springs. Thus the upper roller 43 will automatically rise and fall relatively to the lower roller 35. according to the thickness of ,material being operatedupon; itis'to be noted that each end of the roller'43 can moveindependently-of the other. Further, each end is independently adjustable by theassociated screw5l. By suitable adjustment of the screws 51 a greater pressure may be exerted at the outer edge of the material anda lesser pressure adjacent to the turn-overedge 15; thus a. greater depth of corrugation may be obtained atthe former location thanat the latter. I

The outer ends of the teeth of .the rollers are rounded as indicated at 44' so as to avoid injury to the collarat the turn-over edge 15 if the corrugations are carried approximately to that edge. The longitudinal edges of the teeth are rounded (regarded in cross-section) so that the corrugations are rounded, for example, approximately semi-circular, in cross-section. In this particular construction the teeth of each roller are parallel with its axis, and are of equal depth throughout their length; the nature of the corr-ugating. process, however, is the same whatever thefshape ofthe teeth. I :For example, the pitch surface of the toothe elements mightbe conical with the greatest diparts ameter adjacent to the turn-over edge of the collar as indicated in Fig. '7. It is found that the point of intersection of the axes of the two rolling pitch surfaces should be from 2. to 3 feet from the turn-over edge, this corresponding to the average curvature of the turn-over edge of usual collars. With such toothed elements the guiding of the collar is much easier and the guiding mem bers may be simplified.

The overall diameter of each roller 35, 43,- is about l and the diameter at the root of the teeth is about There-are twelve -teethon each roller. With rollers and teeth of this size a collar is gripped firmly at. one time byonly one tooth of one roller between two teeth of the other roller; as a result the collar can readily turn in the requisite curve during the, corru-' gating operation.

Fig. 5 indicates a method of supporting the lower roller from one end only but comparatively rigidly. The spindle 33.is supported inthe frame 31, but it is also supported in a pillar 32 which is spaced from the adjacent upright of the frame 31; the roller 35 is supported upon the overhung tion. If desired a guide of known form maybe used by means of which a flat strip or sheetof material 'may be bent to approximately a right angle as it passes through the guide the walls of the guidebeing so shaped that the material is gradually bent about a longitudinal line corresponding to the turn-over edge 15 of a collar. Theupper left hand corner of the'g'uide 61 is provided with a small extension groove 65 to accommodate theupper edge 16 of the tab of a collar in case the said tab projects as shownat 16 (Fig. 1) as it frequently does 'to improve-the locking qualities of the tab {the extension groove 65 is so proportioned that the outer band-19 of the collar can pass through the guide 61 with its face against the adjacent lefthand upright face of the guide. ,Ifdesired' the guidefil may extend beyond the corrugating rollers to form'a delivery orifice through the casing 67(Eig. 4) which encloses the rollers and guide. H

The aperture 69 in the guide 61 through which the collar passes is wider'than the thickness of the collar in order to permit of easy movement of the collar therethrough. To keep the collar pressed to the left adjacent to the 'corrugating rollers and so prevent the rollers from overriding the turn-over edge 15 on to the band 19 there is provided on the guide 61 a supplementary guide in the form'of a floatingbar 71 (Fig. 2) which is pulled towards the left by a' central spring'73. Projecting downwardly from the bar '71 through slots '75 'in the guide 61 are two pins 77; the diameter of the pins is less thanthe width of the slots 75 so that the a e permitted a certain, lateral movement. Thepins '77 thus'form a guide by means of which the inner band 17 of the collar is pressed towards the left (if desired the pins '77 may carry anti-friction rollers for contacting with the edge of the collar band) this floating guide automatically rocks to adjust itself to the curve of the lower edge (right-hand edge in the apparatus) of the inner band 17. when th'e-colhas an operating handle at 83.

If desired the floating bar 71 might be operated vby means of a treadle (for example, by a link 85) instead of by means of the handle 83. One advantage of such a construction is that the operator would have both hands free for manipulating the article to be corrugated.

If desired the corrugating rollers may be driven by power instead of by hand; between the drive and the rollers there may be a free-wheel device so that reverse movement of the rollers may be prevented. There may also be a clutch which may be put into and out of action by movement of the guide means 7'7 or of an associated part, for example'the lever 79.

If desired the number of articles passing through the machinemay be counted by means of a counter (as indicated at 87, Fig. 5) actuated, for examplaby movement of the guide means 77 or of anassociated part.

I If desired a distinctive number allocated to the particularmachineproducing the corrugationsmay be placed on each article (collar) passing through the machine. "This may be done by a die on the edge of a roller having contact pressure with an inner surface of the article. Such means may also be used for recording the number of the, patent-under'which the corrugating is produced, I

The casing: 6'7 encloses the Whole apparatus and has a flared opening at 89 to lead into the flared-opening69'of the guide 61.

The operation is as fOlIOWSI- Assume that a collar is to be corrugated as indicated in Fig. 1. The collanwith its two bands 17 and 19 at approximately right angles, is entered into the fiared entrance 89 of the casing andso into the guide 61 and is pushed towards the rollers 35, 45 and atthe same time the handle 83 is operated to move the guide means (the bar 71 and the pins 7'7) to the right. As soon as the end of the collar enters'the bite of the rollers the handle 83 is released and' the spring '73 causes the pins 77 to force the collar towards the left, thus keeping the collar incorrect position relatively to the rollers :during its passage between the latter. As thecollar passes through the apparatus its inner band 1'7, is corrugated with a large number of closely-spaced corrugations of small arc and consequently the lower edge of the band 17 is somewhat shortened, with the result that the collar as it leavesthe rollers curves towards the right which itisable to do freely. The collar is positioned relatively to the rollers so that the corrugations 21 in the band 17 are of the desired length transverselyof the band. Preferably they do not quite reach the turn-over edge 15.

' It is to be'obs'ervedthat during the operation the turn-over edge 15 of the collar does not alter in length but the free edge-of the inner band 1'? is shortened and the band 17 either takes a curved form or its curvature is increased; the outer band 19 simultaneously bends round to follow the curving of the band 17.

The construction of the apparatus allows the corrugation to take place readily along one margin of the collar material being corrugated; if the material were not bent along the turn-over edge 15 to permit curvature the corrugating operation would cause the other margin (the outer band 19) to buckle or distort.

If desired the guide 61 may be made adjustable towards and from the outer ends of the rollers, so that the corrugations formed in a collar margin may be varied by being adjusted to a desired distance from the turn-over edge.

Referring to Fig. 6 the supplementary guide 71 is not manually controlled. The spring '73 is replaced by a long spring 90 so that the effect of the spring is approximately constant in all working. positions of the floating bar 71. Pivoted at 91 is a curved lever 93, the free end 95 of which lies in the horizontal part of the guide-aperture 69 and adjacent to that pin 77 (or roller thereon) which is nearest the entrance of the machine. As the collar is pushed into the machine it comes in contact with the convex edge of the lever 93 which in turn pushes the pin 7 7 so as to rock the v guide 69.

As previously described motion is imparted to the toothed rollers by a rotary handle or gear; it is to be understood however that other means may be used for imparting the desired motion. One of the rollers might be mounted on a sleeve and so arranged that rotary motion would be imparted by axial movement of the sleeve, for example, by means of a quick acting thread connected to the roller by a free-wheel clutch. Also, instead of the rotary handle an oscillating handle connected through a free-wheel device to the roller might be employed.

What I claim is:-

1. Apparatus for corrugating the inner band of a double collar, comprising intermeshing corrugating elements, guide means for passing the inner band of the collar between said corrugating elements, and guide means for maintaining the outer band of the collar bent at approximately a right angle to the inner band as the latter is passed between the corrugating elements.

2. Apparatus for corrugating the inner band of a double collar, comprising intermeshing corrugating elements, guide means for passing the inner band of the collar between said corrugating elements, and a guide channel for engaging the outer band of the collar, bent at an angle to the inner band, and for guiding the same so that a predetermined depth of the inner band passes between and is corrugated'by the corrugating elements.

3. Apparatus for corrugating the inner band of a double collar, comprising intermeshing corrugating elements, guide means transverse to said elements for the outer band bent at about a right angle to the inner band, and spring-loaded guide means for the inner edge of the inner band, operative for pressing the outer band against the first named guide means as the collar is passed between the corrugating elements.

4. Apparatus for corrugating the inner band of a double collar, comprising intermeshing corrugating elements, a guide for the outer band bent at about a right angle to the inner band, guide means engaging the inner edge of the inner band at separated locations, loading means for pressing said guide means resiliently against said inner edge, and a rockable mounting for said guide means to permit of the latter following the curvature of said inner edge.

5. Apparatus for corrugating the inner band of a double collar, comprising intermeshing corrugating elements, a guide for the outer band bent at about a right angle to the inner band, guide means engaging the inner edge of the inner band, loading means for pressing said guide means against said inner edge, and retracting means engageable with said guide means for moving the latter to facilitate entry of the collar.

6. Apparatus for corrugating the inner band of a double collar, comprising intermeshing corrugating elements, a guide for the outer bandbent at about a right angle to the inner band, guide means engaging the inner edge of the inner band, loading means for pressing said guide means against said inner edge, and retracting means engageable by the collar upon its entry and operative when so engaged for moving said guide means to facilitate such entry.

'7. Apparatus for corrugating the inner band of a double collar, comprising intermeshing corrugating rolls, guide means for passing the inner band between said rolls, and guide means for maintaining the outer band of the collar at about a right angle to the inner band as the latter is passed between the rolls, one roll having hearings on the one side only-so that the outer band is unobstructed.

8. Apparatus for corrugating the inner band of a double collar, comprising intermeshing toothed corrugating rolls, guide means for guiding the inner hand between said rolls and guide means for guiding the outer band of the collar at an angle to the inner band as the latter is passed between the rolls, the said rolls having conical pitch surfaces with the larger diameter at the end adjacent to the turn-over edgeof the collar.

HENRY SELBY HELE-SHAW.

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