US562534A - Mechanism for drying varnished paper - Google Patents

Description

(No Model.) 2 sheets-sheen 1.

W. HOLLINGSWORTH. MBGHANISM FOR DRYING VARNISHEDPAPER.

No. 562,534. Patented June 28, 1896.

| I I i I f I l l I I l I I l l I l l I (No Model.) 2 sheets-sheep 2 W. HOLLINGSWORTH. MBGHANISM FOR DRYING VARNISHBD PAPER.

No. 562,534. PatentedJune 23, 1896.

UNITED STATES PATENT EETCE.

1WlLliIAlVI HOLLINGSWTORTH, OF BALTIMORE, MARYLAND.

MECHANISlVl FOR DRYING VARNISHED PAPER.

SPECIFICATION forming part of Letters Patent No. 562,534, dated June 23, 1896.

Application filed March 31, 1894. Serial No. 505,884. (No model.)

To a/ZZ whom it may concern:

Be it known that I, WILLIAM HOLLINGS- WORTH, a citizen ofthe United States, residing at Baltimore city, in the State of Maryland, have invented new and useful Improvements in Mechanism for Drying Paper which has been Treated with Varnish, Size, or other Material, of which the following is a specification.

M y invention relates to mechanism for drying paper which has been treated with varnish, size, or other material, and especially i'or drying labels after the same have been newly printed or varnished.

It is my purpose to provide a simple apparatus by which the labels, sheets, or similar material may be transferred from one convcyer-belt to another without exposing the printed, varnished, or otherwise coated surface to contact and without folding, twining, or wrinkling the sheet.

It is my purpose, also, to provide a transferring mechanism consisting of a series ot' transf er-tapes havin g independent action and a iii er-frame adapted to receive the sheet from a convcyer-belt anddeposit it upon the transfer-tapes, which carry it upon a second conveyer-belt moving in the same direction with said tapes, but opposite to the movement of the first conveyer-belt.

The invention consists, to these ends, in the parts and combinations of parts hereinafter fully described, and then particularly pointed out in the claims.

Referring' to the accompanying drawings, Figure 1 is a side elevation of a portion of one end of a drying-chamber containing a series of oppositely-moving conveyer-belts, of the usual form, my invention being shown in full lines as incorporated with known parts shown by dotted lines. Fig. 1 is a similar view of a portion of the opposite end of the drying-chamber. Fig. 2 is a plan view of the Hier-frame and transfer-tapes at one end of the drying-chamber, together with a portion of one of the conveyer-belts.

The reference-numeral 1, in said drawings, indicates the drying-chamber, which contains a series of horizontal conveyer-belts 2, carried by rolls 3, and arranged one beneath another with a suitable space between. I have shown three of these conveyer-belts in the drawings, but it is evident that any desi-red number may be employed. Said belts are driven at suitable speed in opposite directions, as indicated bythe arrows in Figs. 1 and 1a. The sheets, after treatment, are carried to and delivered upon the surface of the upper conveyer-belt by means of tapes 4 and 5 or by any other mechanism preferred, these parts forming no portion of my invention. At the other end of the drying-chamber 1 I arrange a series of transfer-tapes 6, carried by rolls 7 and 8 in a direction of movement contrary to the travel of `the first conveyer-belt. The roll 7 is preferably arranged just above the surface of the second conveyer-belt and between the end of the same and the end of the irst, or upper, conveyer-belt, but may be located at any point at which the transfertapes carriedby itwill be enabled to deliver a sheet lying upon them to the second conveyer-belt, which moves in the same direction with the tapes,but opposite to the first conveyer-belt. The rolls 8 consist of independent spools, cach supported by a bracket 9, adj ustablymounted on a rod 12 by means of a set-screw 13, which passes through one of two lugs 1i on the bracket and engages the rod, the latter being supported upon posts at a suitable distance from the end of the conveyer-belt. Upon the same posts is mounted a rock-shaft 15, arranged somewhat beneath the rolls 8,and upon said rod are mounted rigidly a series of iiierrods 16, provided with adjustable stop-pins 10, and arranged at such intervals as to alternate with the transfer-tapes 6.

By rocking the shaft 15, the flier-rods 1G will be vibrated through an arc of a circle, and the rods, which constitute a structure substantially similar to a Hier-frame, may be caused to occupy, alternately, the positions shown in dotted and in full lines in Figs. 1 or 1n. When in the position shown in full lines, the free ends of the flier-rods will lie nearly in line with the axis of the roll 3, carrying the upper conveyer-belt, and in position to receive the sheet carried by the same. When in the position shown by dotted lines, the flier-rods will lie beneath the transfer-tapes 6, or between'the parallelportions of said tapes and in substantial parallelism with them, the

sheet being thereby laid upon said tapes and removed from the flier-rods. The movement of the transfer-tapes nowcarries the sheet IOO upon and delivers it to the second conveyerbelt, which travels in the same direction and thus preserves the continuity of the sheet.

The rock-shaft 15,carrying the flier-rods 1G, is operated by a rod 17, one end of which is adj ustably connected to a slotted lever-arm 18 on the rock-shaft 15. A spring 19 normally draws said rod in a direction to swing the flier-rods into the position shown in dotted lines, the rod having such length that it extends throughout the length of the dryingchamber and is connected, at its other end, to a lever-arm 20, supported by a rock-shaft 21. The lever-arm is operated by a cam 22, carried by a shaft 23, which is operated by a sprocket 24, the mechanism employed being of any familiar type.

A second transfer mechanism, similar in all substantial points to that already described, is arranged to receive the sheets from the second conveyor-belt and deliver them to a third conveyer. This second mechanism is operated like the first, a cam 22 being at the other end of the shaft 23.

The dryingchamber is provided with a steamecoil or other suitable means for imparting heat and the conveyor-belt which last receives the sheets is preferably arranged below the heating devices, in order that they may have an opportunityto cool. The sheets are delivered from it automatically to an inclined shelf 25.

That I claim is- 1. In an apparatus for drying paper, the combination with an upper and a lower conveyer-belt of a series of transfer-tapes coperating with the lower conveyor-belt and a series of flier-rods adapted to support the paper from the upper conveyor-belt to the transfer-tapes, said iiier-rods in their raised position being inclined at an angle to the upper conveyor-belt and in their lower position bc low and substantially parallel with the surface of the transfer-tapes, substantially as described.

2. In an apparatus for drying paper, the combination with a series of conveyor-belts moving successively in opposite directions and arranged one beneath the other, of a transfer mechanism consisting of transfertapes, a series of flier-sticks rigidly mounted on a rock-shaft and adapted to pass between said tapes, and means for automatically op erating the .rock-shaft at proper intervals, substantially as described.

In an apparatus for drying paper, the combination with an upper and a lower conveyer-belt, of aseries of transfer-tapes adapted to cooperate with the lower conveyer-belt, a series of flier-rods adapted to support the paper from the upper conveyor-belt to the transfer-tapes, said iiier-rods in their raised position being inclined at an angle to the upper conveyer-belt and in their lower position below and parallel with the surface of the transfer-tapes, a rock-shaft upon which said flier-rods are rigidly mounted, a lever-arm on said rockshaft and automatic cam mechanism adapted to operate said arm at intervals, substantially as described.

4. In an apparatus for drying paper, the combination with an upper and a lower conveyer-belt traveling in opposite directions, of a series of transfer-tapes having continuous movement in the same direction with the lower conveyer-belt, a series of flier-rods, a rock-shaft on which the flier-rods are rigidly mounted, a lever-arm linked to an arm on said rock-shaft, a cam operating said lcvcrarm and means for periodically operating the cam, substantially as described.

In testimony whereof I have hereunto set my hand and aiiixed my seal in presence of two subscribing witnesses.

WILLIAM llOlililNGSls'Oll'lll. [L s] fitnesses FELIX R. SULLIVAN, JNO. J. SAUNDEns.

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