US1235716A - Process of and apparatus for drying glue-like material. - Google Patents

Description

L. MOONEY.

PROCESS OF AND APPARATUS FOR DRYING GLUE. LIKE MATERlAL.

PHCATION FILED JULY 28. I916.

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PROCESS OF AND APPARATUSFOR DRYING GLUE LIKE MATERIAL.

APPLICATION FILED JULY 28.1915

1,235,71 6. Patented Aug. 7, 1917.

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PROCESS OF AND APPARATUS FOR DRYING GLUE LIKE MATERIAL.

7 APPLICATION FILED JULY 28.1916 7 1,235,71 6. Patented Aug. 7, 1917.

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' UNITED STATES PATENT onnion LUKE MOONEY, OF SEWAREN, NEW JERSEY.

PROCESS OF ANlD APPARATUS FOR DRYING GLUE-LIKE MATERIAL.

Specification of Letters Patent.

Patented Aug. *7, 19 17.

Application filed July 28, 1916. Serial No. 111,815. 1

skilled in the art to which it appertains to make and use the same.

This invention relates to a process of and an apparatus for drying glue material, and has for its object to provide a means for lessening the time heretofore required in .manufacturing glue, as well as to increase the output of the apparatus.

With these and other objects in view the invention consists in the novel combinations of steps constituting the process, and in the novel combinations of parts constituting the apparatus, all as will be more fully hereinafter disclosed and particularly pointed out in the claims.

Referring to the accompanying drawings, forming a part of this specification, in

which like numerals designate like parts in all the views:

Figure 1 1s a diagrammatic plan view partly in section of an apparatus made in accordance with this invention;

Fig.2 is an elevational sectional view of the parts shown in Fig. 1;

Fig. 3 is an elevational view of a corrugated cylinder and its associated parts detached; from the machine;

Fig. 4 is an enlarged sectional view of the cylinder shown in Fig. 3;

Fig. 5 is a perspective view of a partially dried sheet of glue material carried by a drying conveyor;

Fig.6 is ardiagrammatic plan viewof a knife suitable for stripping the glue material from the cylinder;

Fig. 7 is an enlarged detail view of the serrations of the knife shown in Fig. 6; and

Fig. 8 is a side elevational view of the parts shown in Fig. 7

1 represents a cylinder on which the hot glue or other material may be cooled or gelatinized and which cylinder is to be cooled or heated on the inside by means of a fluid conveniently admitted through the pipe 2, while being sprayed from the nozzles 3, attached to said pipe 2. The fluid, for ex- I as for ample' brine or cold water, after being sprayed on the inside of cylinder 1, may

be removed therefrom by any suitable means example, through the discharge pipe 4.

In order that the action of cooling or gelatinizing on the outside of said cylinder may be facilitated, the circular walls 5 thereof are provided with the corrugations 6 on which'the warm jelly constituting the glue, or other material .being treated, is sprayed to the desired thickness. Said cold corrugations 6 are found in practice to not only provide a much larger drying surface for the glue, and to therefore greatly increase the output of the cylinder, but said corrugations are found to form a corrugated sheet of glue material-such as 7, having a shape which enables it to dry more quickly than do sheets not provided with corrugations, thus again increasing the output of the machine, all as will appear below. In' addition to these advantageous features, it is further found in practice that the corrugated sheets 7 delivered fromcylinder 1 have suflicient strength to pass directly onto the drying conveyers disclosed below, and therefore, the usual drying nets, heretofore em- 'ployed',for receiving the smooth sheets may bedispensed with.

Further, the glue made on this machine when finally dried shows a uniformly run ning thin line or streak which servesto readily distinguish it on the market from other products.

After the warm jelly is sprayed on to the outside surfaces of the corrugations 6 by any suitable means, such as the nozzle 10 fed by the pipe 11, and after said cylinder is rotated asby the pulley 12, the serrated knife 13 in contact with said cylinder and corrugations 6, serves to strip off the partially solid and chilled sheets 7. The. serrations 1 1 of said knife are preferably beveled off as at 15 to form the points 16, thus enabling'said serrations to closely contact with the surfaces of the corrugations 6, and thereby effectually clean said corrugations from all particles of jelly at each revolution. It results from this that succeeding congealed sheets 7 are 'not contaminated with particles of material left over from preceding sheets, and other troubles due to a dirty cylinder are avoided.

As the congealed sheets are thus effectually stripped from the cylinder 1, they are delivered on to the short net conveyer 17 passing over the rolls 18 and 19; and from said conveyer 17 each sheet passes to a drying conveyer such as 20, 21, 22, 23, 24 and 25, mounted in any suitable drying inclosure or tunnel 26.

Each of the convey'ers 20-25 may conveniently be formed of sprocket chains 27 at each side, and said chains joined by rods 28 as shown; for the corrugated sheets 7. of congealed or partially formed glue is found to have sufficient strength to rest on said rods while drying and therefore the usual drying nets are dispensed with. This is an important feature of thisinvention for by this means instead of providing flat sheets of partially dried glue say 42 inches long, as heretofore has been the case, these con- Veyers will receive sheets say 80, 90, or 100 feet long, or say twenty-five times as long as has heretofore been deemed possible; thus they again greatly increase the output of the machine. I

In order to still further increase the output of the machine, the plurality of long time, so that sheets 7 of corrugated or partially formed glue may be delivered to said long conveyers in succession, or one at a time, and allowed to remam on each of said long conveyers for several hours, or unt1l dried. The Sheet 7 on the highest conveyer 25 for example, can thus be subjected to a drying. action in the tunnel 26, while the other conveyers 2124 are being loaded.

In order to ena lo the operator to thus successively load t e conveye-rs 20-,25 the cylinder 18 and short conveyer 17 are carried on the supports mounted on the screw or other elevating means 36, 37, 38 and 39, carrying respectively the bevel pinions 40, 41, 42-, and 43, meshing respectively with the bevel gears 44, 45, 46 and 47. The gears 44 and 46 are carried at opposite ends of the shaft 48, and the gears and 47 are carried at opposite ends of the shaft 49.

A power pulley 50 is conveniently mounted on the shaft 49 and also the gear 51 which meshes with the gear 52, meshing with the gear 53 mounted on the shaft 48.-

It will be 'clear from the foregoing that power "applied to the pulley 50 will rotate the screw shafts 3639 and thus raise and lower the cylinder 1 and conveyer 17, to cause the latter to register with any desired long conveyer such for example as 25. The conveyer 17 being in register with the conveyer 25, and the cylinder 1 being rotated as by power applied to the pulley 12 for example, while glue material is sprayed on to the corrugations 6 through the nozzle 10, then the knife 13 will cause the corrugated sheet 7 of partially formed glue to leave the corrugations 6, to pass to the net conveyer 17, and from said conveyer 17 on to the conveyer 25, where the corrugations or ribs will extend across or transversely of the rods 28, as shown in Fig. 5, and thus support the weight of the wet sheet 7 although the latter is not very strong. In order to facilitate the operation, and also in order to handle long' sheets 7 of the partially formed glue instead of short sheets as heretofore, the conveyer 25 while receiving the said sheet is run by means not shown, at the same speed as the corrugations 6 and when the said conveyer is filled with said sheet, the latter is cut off at the cylinder 1 by any suitable means, not shown, and the motion of said conveyer 25 stopped.

The cylinder 1 and net conveyer 17 are next lowered to register with the conveyer 24, and the same cycle of operations repeated, while the sheet 7 on conveyer 25 is left to dry in the tunnel 26. In the same way each successive drying conveyer 23, 22, 21, 20,

. etc, is loaded wlth a sheet while the preceding sheets are drying.

A sufficient number of drying conveyors are preferably, although of course, not necessarily provided to receive the entire output of the cylinder 1 during the period required for a single sheet 7 .to completely dry. By this means the cylinder 1 may be worked at full capacity at least through the day, and no time lost in the drying opera tions.

At the end of the drying conveyers 2025 opposit the cylinder 1, thereis located a breaking mechanism 65 having a base 66 adapted to be moved up and down to suecessively register with said drying conveyers, as by the screw means 67 receiving power from any suitable means diagram matically illustrated at 68 and 69. 70'represents a grinding mill adapted to receive the broken pieces of glue from the breaker 65.

The operation of the mechanism will be clear from the foregoing but may be briefly summarized as follows Hot glue material is sprayed on to the corrugated cylinder 5 through the nozzle 10 while the said cylinder is cooled on the inside and rotated by any suitable means as for example the pulley 12. A knife 13 strips the material from the cylinder and the latter is received on the net conveyer 17 which is brought into register successively with the drying eonveyers numbered from 20 to 25. The cylinder 1 and net conveyer 17 are raised and lowered by the screw means illustrated to bring the said conveyer 17 in proper register with the drying con- Veyers and while one drying conveyer such as 25 is being thus loaded it is moved by means not shown at the same rate Of speed as that imparted to the periphcry of the cylinder 1. The glue material be the case, so that it may be supported by" the cross rods 28 while undergoing a drying operation in the tunnel 26. The corrugations 6 on the portion 5 of cylinder 1 not only impart strength-to the sheets 7 of partially formed glue but also increase the cooling surface and thus increase the output of the cylinder. In addition to the above, while the sheets 7 a-reresting on the drying conveyers, these said corrugations furnish a better passage for the air and in fact, expose a greater surface to the air and thus facilitate the drying operation in the After a conveyer such as 25 has been loaded with a sheet of material'such as 7 the said sheet is cut from the cylinder surface 5 by any suitable means not shown, and the motion of said conveyer 25 stopped. The cylinder 1 and conveyer 17 are next brought successively in register with theother drying conveyers'which are each in turn loaded with a' sheet such as 7 while those already loaded are being subjected to' a drying operation. After the *first sheet 7 ,such for example as that loaded on to the conveyer 25 has become thoroughly dry, in the tunnel 26, that conveyer may again be started up and the sheets 7 forced over into the breaker '65 as indicated in Fig. 2, whereupon the mechanism breaks up the said sheet into suitable sizes and the articles of said sheet are permitted to fall own through the passage 71 into the grinding mill 70 whereupon the said particles of glue are ground to a suitable fineness.

It is obvious that those skilled in the art may vary the details of construction as well as the arrangement of parts without departing from the spirit of the invention, and therefore, it is not desired to be limited to the above disclosure except as may be required by the claims.

What is claimed is I 1. The process of drying liquid glue ma terial which consists in formin the same 7 into a corrugated layerwhile sub ecting said der; means for cooling the corrugated surfacesof said cylinder; means for applying liquid glue material to said corrugated surfaces to con eal the same; meansto strip the congeale corrugated material in sheets from said surfaces; a conveyer for rece1v-.

I scribed.

ing said stripped sheet material; and a plurality of drying conveyers adapted to suc cessively receive sheets of stripped material from said corrugated surfaces, substantially as described. I

3. In an apparatus for drying glue mate rial the combination of a corrugated cylinder; means for cooling the corrugated surfaces of said cylinder; means for applying liquid glue material to said corrugated surfaces to congeal the same; means to strip the congealed and corrugated material in sheets from said surfaces; a conveyer for receiving said stripped sheet material; means for moving said cylinder up and down; and a plurality of drying conveyers adapted to successively receive sheets of stripped material from said corrugated surfaces, substantially as described.

4. In an apparatus for drying glue material the combination of a corrugated cylinder; means for cooling the corrugated surfaces of said cylinder; means for applying liquid glue material to said corrugated surfaces to congeal the same; means to'strip the congealed and corrugated material in sheets from said surfaces; a conveyer for receiving said stripped sheet material;

means, for moving said cylinder and first' named conveyer up and down; and a plurality of drying conveyers adapted to successively receive sheets of stripped material from said corrugated surfaces, substantially as described.

5. In an apparatus for drying glue material the combination of a corrugated cylinder; means for rotating said cylinder; means for cooling said cylinder; means for applying liquid glue material to the corrugated surfaces to congeal the same in corrugated layers; a knife to strip said layers from said surfaces and form said layers into corrugated sheets of glue material; a plurality of drying conveyers; and means to move said cylinder to successively register with said conveyers whereby said corrugated sheets may be delivered successivel to said conveyers, substantially as describe 6; In an apparatus for drying glue material the combination of a corrugated cylinder; means for rotating. said cylinder; means for cooling said cylinder; means for applying liquid glue material to the corrugated surfaces to congeal the same in corcorrugated sheets of glue material; a plurality of drying conveyers; means to move said cylinder to successively register with said conveyers whereby said corrugated sheets may be delivered successively to said conveyers; and means associated with said conveyers for breaking up said sheets after they have been dried, substantianlly' as de- 7. In an apparatus for drying glue mategated layers; a knife to strip said layers from said surfaces and form said layers into corrugated sheets of glue material; a plurality of drying conveyers; comprising rod members to support said sheets; means to move said cylinder to successively register With said conveyers whereby said corrugated sheets may be delivered successively to said conveyers; a breaker associated With said conveyers adapted to receive said sheets after the drying operation has been completed; and means ior causing said breaker to successively register with said conveyers, substantially as described. I

In testimony whereof I afiix my signature,

in presence of two Witnesses:

LUKE MOONEY. Witnesses:

HENRY H. HILL, Jr, WM. L. HARNED.

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