US1945700A - Apparatus for applying adhesive preparations - Google Patents

Description

Feb. 6, 1934;

R. JQOBRIEN x-:T AL; APPARATUS FOR APPLYING ADHESIVE PREPARATIONS *INVENT FAW/@Na ORS ATTORNEY Patented Feb. 1934 I UNITED STATES. PATEN';` OFFICE APPARATUS FOR APPLYING ADHESIVE PREPARATIONS Raymond J. OBrlen, Rutherford, N. J., and

Eardley Hazell, New York, N. Y., assignors to The Naugatuck Chemical Company, Naugatuck, Conn., a corporation ol' Connecticut Application November 18, 1930 Serial No. 496,550

12 Claims. (Cl. 154-1) Our present invention relates to textile fabon exes and bends the fibers of the pile of the rios and more particularly to an improved methrug against the line of travel thereof and also od of and apparatus for applying adhesive preplaterally of the direction of such travel. arations to pile rugs. As above indicated if the latex or dispersion In the manufacture of rugs, particularly pile composition is thick and pasty it cannot ordi- 55 rugs, it has been found that a more durable nari1y be used, as when applied with prior Ideproduct is obtained, if the pile fibers are emvices it does not suiiiciently penetrate the pile. bedded in latex or rubber composition, and va- Our improved device makes it possible to use a rious devices have been proposed for applying pasty preparation lof latex.

such latex or rubber composition to the pile fab- An object of our invention, therefore. iS an 60 ric, none of which, however, have been entirely improved method of applying adhesives to ya successful. It is essential that the adhesive preprug.

arations such as latex be applied in such a man- Another object of our invention, therefore, is

ner as to penetrate sufficiently into the rug to an improved adhesive applying and Working deprovide a rm bonding of the pile fibers, yet they vice for pile rugs. v

must not penetrate so far as to show on the In the accompanying drawing, illustrating a top of the iinished pile fabric. preferred embodiment of our invention;

It is possible to have an adhesive prepara- Fgurel isaseti'onal'side elevation;

tion such as latex or a composition of rubber Fig. 2 is a plan view of one end of the device that will require no after working when applied shown in Fig. 1; 70

to the rug, but such compounds are liable to Fig. 3 is an enlarged sectional elevation of the strike through the elements of the rug and a massaging roll shown in Fig. 1; and

, defective rug is the result. On the other hand, Fig. 4 is a detail of a pile rug fabric t0 Which adhesive preparations may be made which will an adhesive composition has been applied by the not strike through the body of the rug, yet which device illustrated. 75

do not penetrate the pile to the depth necessary 'Referring to the drawing, 10 designates any to secure proper adhesion of the fibers to the adsuitable base on which 'are' arranged, at either hesive and this also results in the production of end, pairs of aligned bearings 11--11 and 12-12 an inferior product. We have found that the and in these pairs of bearings are rotatably best results are obtained by the use of a com-"il mounted shafts 13 and 14, respectively. The 80v pound of a consistency which will not strike shaft 13 extends outward beyond the bearings 11 through the body of the rug, the rug being subat one and to such extending end is secured a sequently subjected toa working operation. This pulley 15 over which runs a belt 16 leading to working operation incorporates the fibers of the any suitable source of power. On the shafts 13 pile of the rug within the adhesive preparation and 14 are arranged conveyor rolls 17 and 18, re- 85 without causing the same to show on the., top spectively, and over these rolls runs a conveyor of the nished rug. vbelt 19. This conveyor belt is preferably made In our present' invention we have devised an of an endless fabric belt 20 on one face of which improved method of and device for working-a is arranged a plurality of parallelly arranged 40 pile rug with which has been incorporated an slats 21 of any suitable material; suchas wood, 90

adhesive compound such as latex. In carrying and secured to and extending outwardly from out our invention, we preferably utilize a means these slats 21 and at an angle thereto are teeth of mechanically feeding the pile rug fibers at 22. 'I'he endless conveyor belt 19 is adapted to any desired speed and associate therewith a roll have its -upper reach Vmoved in the direction of which preferably rotates in adirection opposite the arrow shown in Fig. 1, andit will be noted 95 to or against the direction ofy travel of the rug that such upper reach lies in a substantially horibers, and which roll is provided'with a work- `zontal plane. ing element or a plurality of working elements, Arranged above the endless conveyor 19 is a such as a helically wound resilient member. This source of supply of pile material 23 such as a chute roll with the working element or elements there- 24 which terminates at a point above thev upper 100 reach of the endless conveyor 19 and adjacent to the roll 17 on the shaft 13 and by reference to Fig. 1, it will be noted that such pile material 23 is fed downwardly through the chute 24 and thence on to the top reach of the endless conveyor 19, the teeth 22 acting to forcibly feed such pile material 23 onward in the direction of the arrow shown in Fig. 1. The endless conveyor belt 19 is of any suitable length and width and on each side thereof is arranged a guard, or wall 25, preferably made.

of flexible material, so as to insure easy passage over the rolls 17 and 18. The height of the wall 25 is preferably slightly less than the height of the pile material 23.

. Arranged above the endless conveyor 19 and adjacent to the delivery end of the chute 24 is an adhesive holding ltank 26. This tank is connected by a pipe 27 to any suitable source of supply of air under pressure. On the lower end of the tank 27 is formed a delivery nozzle or orifice 28, which extends across the width of the endless conveyor 19. The tank 26 holds the adhesive compound 29 and by properly adjusting the size of the orifice 28 and the pressure lead to the tank through the pipe 27, the rate of flow of the adhesive 'compound 29 may be regulated so that the desired amount may be applied to the pile material 23 as it is continuously carried under the supply of adhesive preparation.

Secured to the base 10 on either side of the endless conveyor 19 and adjacent the tank 26 are bearing members 30, each provided with a vertically arranged slot 31 in which is slidably mounted a bearing block 32. In the bearing blocks 32 are aligned bearings in which are rotatably mounted a shaft 33, one end of which extends outwardly beyond the bearing block 32 and has secured thereto a. pulley 34 over which runs a belt 35 leading from any suitable source of power. Secured to the shaft 33 and extending over the entire width of the endless conveyor belt 19 is a roller 36, having mounted thereon helically wound working elements 37 of any suitable form and size. The shaft 33 is\adapted to rotate in the direction of the arrow shown in Fig. 3, which,` it will bev noted, is opposite to the direction of travel of the pile material 23 on the endless conveyor belt 19. Associated with the bearing blocks 32 in the bearing members 30 are means 97 utilized for adjusting the pressure on the pile material exerted by the roller 36. As the pile material 23 moves past the orifice 28 of the adhesive holding tank 2'6, it will move under the roller 36 when the working elements 37 will work the upper surface of the pile material and the adhesive compound l29 deposited thereon, and such action will force the adhesive compound 29 from its position on top of the pile material 23 to a position just within the surface of such pile material, as clearly shown in Fig. 3. Underneath the upper reach of the conveyor 19 may be provided a platen 9, suitably supported as by brackets fixed to base 10. n

Mounted on the base 10 adjacent to the roller 36 and on each side of the endless conveyor 19 are pairs of standards 38 on which are adjustably mountedmembers 39, and these members support a frame 40 extending across the width of the endless conveyor 19. Secured to the frame 40 is a smoothing blade 41 and which acts to smooth the upper surface of the adhesive covered pile material 23, in much the same manner as with a smoothing knife. This smoothing action tends not only to smooth the adhesive 29. but also tends to remove surplus adhesive from the pile.

Secured to the base 10 and esending upwardly therefrom on either side of the endless conveyor 19 are bearing standards 42. Secured to the top of such bearing standards are bearing members 43 in which is rotatably mounted a shaft 44, and.. on such shaft may be placed a roll of backing material 45, such, for example, as a roll of jute backing. Secured to the base 10 on either side of the endless conveyor 19 and extending up'- wardly from the base are pairs of standards 46 and adjustably mounted on such standards are bearing members 47, in which is rotatably mounted a roll 48. Secured to and extending upwardly from the base 10 on either side of the endless conveyor 19 and adjacent the smoothing blade 41 are pairs of standards 49, and on each of these standards is adjustably mounted a bearing mem- 'ber 50. Rotatably mounted in the bearings 50 is a shaft 51 that has secured thereto a roll 52. The jute backing 45 passes from the roll, above referred to, and passes under the roll 47, over and under the roll 52 and is-forced into engagement with the top-surface of the pile material 23. To insure that the jute backing 45 is guided properly over the roll 52 and onto the pile material 23, we have provided on the base 10 on either side of the endless conveyor 19 and adjacent to the roll 52, pairs of standards 53 and on these standards are adjustably mounted holding devices 54 connected by a shaft 55. These holding devices 54 have secured thereto side guard plates 56 which l105 engage with the edges of the jute backing 45 and insure the proper delivery thereof from the roll 47 to the roll 52. Between the pair of standards 46 and 53 and on the base 10are arranged pairs of standards 57 and on these pairs of standards 110 are adjustably mounted bearing members 58.

Adjustably mounted in the bearing members 58 isa shaft 59 on which is mounted a bar-60 having secured to its under face a cement-applying blade 6l. Also adjustably mounted on the pairs 115 of standards 57 are members 62 connected by aishaft 63 and on which shaft is a bar 64. 0n

the pairs of standards 46 are adjustably mounted members 69 on which are arranged a shaft 66 carrying a bar 67. The b ars 64 and 67 act as sup- 120 ports for a table 68 that supports the jute backing 45 in its passage from the roll 57 to theroll 52 and also the table 68 cooperates with the blade 6l to form a receptacle for a body of cement'70 or for any other suitable adhesive. The jute backing 45 passes from the rollunder the roll 47 over the table 68 and under the blade 61, is coated with adhesive 70 and so is in prime condition to adhere to the upper surface of the adhesively 1 covered upper surface of the pile material 23.

After passing under the roll 52 so as to have the jute backing 45 attached thereto, the pile material 23 is carried by the endless conveyor beit 19 into a vulcanizing oven 71.` This vulcanizing oven is of any suitable length to have the vulcanized operation carried out on the unvulcanized adhesive material 29 and in order to supply heat' to such oven, we mount on the base 10 an air heating device 72 on top of which is mounted a' blower 73, .driven from any suitable source of 14g `power, as by electric current, and the heated air is blown through the pipe 74 and into the oven 71, passing through the length of the oven and is 4exhausted out of the orifices 75. Within the oven 71.are arranged above the endless conveyor belt 19, a plurality of parallelly arrangedironing rolls 76, and by means of which the jute backing 45 is rolled into firm engagement with the pile material 23. After passing through the vulcanizing oven 71, the treated pile fabric is rolled onto an arbor '77, suitably supported by any convenient means.

For economy in manufacture, the pile material 23 is preferably made twice the thickness `of" the ordinary rug, and, therefore, 'such pile material 23 is preferably run twice through the apparatus, as above described, or twice through equivalent apparatus in order to have .the adhesive compound 29 applied to and worked into both surfaces thereof, and also to have a backing 45 attached to both sides. lThe resultant product is shown in cross-section in Fig. 4, and such product may be conveniently and by any of the usual and well-known means split into two parts along approximately the line 78. Each half of the pile fabric, as shown in Fig. 4, may thus constitute a rug or other oor covering.4 If desired, during the operations above described, that of applying the jute backing may be omitted, and after splitting, as above immediately described, the two halves'of the structure may be placed back-toback and be adhesively united together, the result being a double-faced pile fabric.

, While we have necessarily shown and described the preferred embodiment of our inventon somewhat in detail, it is to be understood that Weare not to be limited to the exact structure shown and may vary the size, shape and arrangement of parts comprising the device within relatively wide limits without departing from the spirit and scope of the invention.

Having thus described our invention, what we claim and desire to protect by Letters Patent is:

1. In Yan improved device for applying an adhesive preparation to pile materials, the combination of a source of supply of parallelly arranged fibers, a source of supply of adhesive preparation in paste form, means forfeeding the parallelly arranged fibers continuously in the form of a fiat layer into association with the source of supply of adhesive preparation to thereby have a layer of the adhesive preparation deposited on.. the layer of parallelly arranged fibers, and means for bending and flexing the fibers to work the adhesive preparation into the surface of the layer of fibers and around the fibers.

2. In an improved device for applying an adhesive paste. to pile materials, the combination of a source of parallelly arranged fibers in the form of a fiat layer, means for continuously advancing such layer, means for depositing an adhesive paste on one face of said layer, and means for bending and fiexing the fibers to work the adhesive paste into the surface of the layer and around the fibers thereof.

3. In an improved device for applying an adhesive paste to pile materials, the combination of a source of parallelly arranged fibers in the form of a flat layer, means for continuously advancing such layer, means for depositing an adhesive paste on one face of said layer, means for bending and flexing the fibers to Work the adhesive paste into the surface of the layer and around the fibers thereof, and means for attaching a backing to the face of the layer.

4. In an improved device for applying an adhesive paste to pile materials, the'combination of a source of parallelly arranged fibers in the form of a flat layer, means for continuously advancing such layer, means Ifor depositing an adhesive paste on one face of said layer, means for bending and flexing the fibers to work the adhesive paste into the surface of the layer and around the bers thereof, means, for attaching a backing to the face ofthe layer, and

means for forcing ysaid backing into intimate engagement with the adhesive paste.

5. In an improved device for applying an adhesive paste to pile materials, the combination of a source of parallelly arranged fibers in the form of a flat layer, means for continuously advancing such layer, means for depositing an adhesive paste on one face of said layer, means for bending and flexing the fibers to Work the adhesive paste into the surface of the layer and around the fibers thereof, means for attaching a backing to the face of the layer, means for forcing said backing into intimate engagement with the adhesive paste, and means for vulcanizing said adhesive paste. l

6. In an improved device for applying an adhesive paste to pile materials, the combination of a source of parallelly arranged fibers, in the form of a fiat layer, means for advancing said layer continuously, means for depositing an adhesive paste on one face of said layer, and means for bending and flexing the fibers to work the adhesive paste into the surface of the layer and around the fibersthereof.

7. In an improved device for applying an ad-IOU hesive paste to pile materials, the combination of a source of parallelly arranged fibers, in the form of a fiat layer, means for depositing an adhesive paste on one face of said layer, means for bending and fiexing the fibers to work the adhesivec4 paste into the surface' of the layer and around the fibers thereof, and means for imparting a continuous relative movement between the layer of fibers and the bending and flexing means. A

8. In an improved,a device for applying adhesive prepartions to pile materials, the combination of a continuously advancing conveyor, a roller located above the conveyor and rotatable in a direction opposite to the direction of travel 115 of the conveyor and a platen supporting the upper surface of the conveyor at a point opposite the roller.

9. In an improved device for applying adhesive vpreparations to pile materials, the combination of a feeding conveyor for feeding such material,

a platen supporting the upper reach thereof in a horizontal plane, a roller located above the conveyor, a helically arranged working element on the roller and associated with the conveyor, and-means for rotating the roller to have the helically arranged element exert a working action on the pile material.

10. In an improvedv device for applying adhesive preparations to pile materials, the combination of means for continuously advancing pile material, an adhesive pastefeeding means for spreading paste on the surface-of a layer of the pile material, and a working device cooperating with the said rst mentioned means, and means for imparting motion thereto in a direction opposite to the direction of travel of the pile fabric.

l1. In an improved device for applying adhesive preparations to pile materials, the comso R working element on the roller and associatedwith the conveyor and means for rotating the roller to cause the working element to exert a -working action longitudinally and transversely of the pile material. Y

.' RAYMOND J. OBRIEN.

EARDLEY HAZELL.

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