US1972075A - Web feeding apparatus - Google Patents

Web feeding apparatus Download PDF

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Publication number
US1972075A
US1972075A US435142A US43514230A US1972075A US 1972075 A US1972075 A US 1972075A US 435142 A US435142 A US 435142A US 43514230 A US43514230 A US 43514230A US 1972075 A US1972075 A US 1972075A
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Prior art keywords
web
paper
spots
clutch
cam
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Expired - Lifetime
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US435142A
Inventor
Ralph S Clark
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Kalamazoo Vegetable Parchment Co
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Kalamazoo Vegetable Parchment Co
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Priority to US435142A priority Critical patent/US1972075A/en
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Publication of US1972075A publication Critical patent/US1972075A/en
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B65CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65BMACHINES, APPARATUS OR DEVICES FOR, OR METHODS OF, PACKAGING ARTICLES OR MATERIALS; UNPACKING
    • B65B41/00Supplying or feeding container-forming sheets or wrapping material
    • B65B41/18Registering sheets, blanks, or webs
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T83/00Cutting
    • Y10T83/141With means to monitor and control operation [e.g., self-regulating means]
    • Y10T83/148Including means to correct the sensed operation

Description

2 Sheets-Sheet l R. S. CLARK 1M ATTORNEY3 A 1 HQEHQ 1 H n 1 WEB FEEDING APPARATUS Filed March 12., 1930 Sept. 4, 1934.

Sept. 4, 1934. R. s. CLARK WEB FEEDING APPARATUS Filed March 12, 1950 2 Sheets-Sheet 2 INVENTOR ffaafi 5. (Var/r BY ti An us Patented Sept. 4, 1934 WEB FEEDING APPARATUS Ralph S. Clark, Kalamazoo, Mieh., assignor to Kalamazoo Vegetable Parchment Company,

, Kalamazoo, Mich.

Application March 12, 1930, Serial No. 435,142

2 Claims. (01. 242-76) In the accompanying drawings, I have illustrated my improvements as I have embodied the same in wrappers. for cartons and machine for feeding and cutting such wrappers from a web.

The main objects of this invention are:

First, to provide an apparatus for feeding a web of paper to a wrapping machine or the like, severing into wrappers which severs the sheets at the desired point relative to the series of designs and presents the same in proper relation to a wrapping mechanism.

Second, to provide a means for feeding paper in which the paper is automatically adjusted laterally.

Third, to provide an apparatus of the class described in which the paper feed means is automatically controlled by the web of paper to be severed into sheets.

Objects relating to details and economies of my invention will appear from the description to follow. The invention is defined and pointed out in the claims.

Reference is made to my application No. 435,143, filed on the same date as the present case for matter relating to the cutter which is shown but not claimed in the present case.

A structure which is a preferred embodiment of my invention is illustrated in the accompanying drawings, in which:

Fig. 1 is a fragmentary plan view of an apparatus embodying the features of my invention, portions of a wrapping machine being shown by dotted lines.

Fig. 2 is a fragmentary elevation with the parts shown in conventional form showing the relation of the paper roll to the feed rollers, cutter and the photoelectric cell controls.

Fig. 3 is a fragmentary plan view showing details of the lateral paper adjustment.

Fig. 4 is an enlarged fragmentary view of parts shown in Fig. 3 looking from the right of that figure.

Fig. 5 isan enlarged fragmentary view of the feed driving mechanism.

In the accompanying drawings, 1 represents a carton wrapping machine, only such parts of this being shown as are deemed necessary to illustrate the delivery of the paper or wrappers, one of the wrappers 2 being shown in its initial 50 wrapping position, a second wrapper 2 being shown as it is delivered from the cutter 3 to the wrapping position.

The web of paper 4 is in the form of a roll 5 and is delivered therefrom over the guide rollers 6 and 7 to the feed rollers 8 and 9, these feed rollers delivering to the cutter 3 and its coacting roller 10.

The driving means for the feed means and I the cutter means are not illustrated further than to point out that the feed rollers are driven 0 through a clutch designated generally by the numeral 11 which is controlled by a cam 12 on the shaft 13 of the cutter 3. The clutch is further controlled by a solenoid actuated release mechanism designated generally by the numeral 14, the clutch being engaged by the cam 12 and released by the solenoid 14.

The solenoid 14 has an armature 35 which is connected to the keeper 36, the latter being pivoted to a support at 37. The lower arm of the keeper is provided with a recess which is adapted to receive the dog 38, when it is swung on the link 39 about the latters stationary pivot 40, the dog being pivoted to the link at 41 and to the collar 42 at 43. The collar 42 is fixed to the slide rod 44 and constitutes a stop for the outer end of compression spring 45, which embraces the rod 44 and bears at its inner end against the wall 55, through which slidably extends the rod 44. upturned and engages the lever 46 of the rockshaft 57. The cam follower 47 is carried by the other end of the lever 46 for coaction with the cam 12, so that the cam 12 operates the mechanism to cause the dog 41 to latch with the recess 37 in the keeper 36 once in every revolution, although once latched the cam 12 merely rotates, the cam follower 47 being held clear of the cam. Depending from the lever 46 is an arm 48 which is connected to the groove 49 in thedriving clutch member 50, the latter being The inner end of the slide rod 44 is so fixed to the drive shaft 51 to which drive roll 9 is journaled together with the driven clutch member 52.

When a spot passes the photo-cell 19, the latter causes the solenoid 14 to be energized, elevating the keeper 36 and tripping the dog 38, whereupon the spring 45 urges the slide rod 44 to swing the lever 46, the latter returning the cam follower 47 into position adjacent the cam 12 and retracting the arm 48 and the clutch member 50, which opens the clutch 11. The driving rolls 8 and 9 are stopped by the opening of the clutch 11; resulting in stopping the web feed while the cutting rolls 3 and 10 sever a wrapper from the web. The momentum of the feed carries the spot on the web from between the photo-cell 15 and the lamp 19, thereby causing the solenoid to be de-energized, but the cam 12 actuates the cam follower 47, which causes the dog 38 to be relatched by the keeper 36. This ill cycle of operation is repeated every time a mark on theweb is interposed between the photo-cell and its lamp.

This mechanism 14 is controlled through the photo-electric cell 15 which is operatively associated with the web of paper and electrically connected to the amplifying and relay unit designated generally by the numeral 16, this being shown in conventional form, this unit being in turn electrically connected to the mechanism 14.

The web of paper is provided with a'longitudinal series of designs indicated conventionally at 17, the designs being appropriate for a wrapper for a package, that is, there are four panels, one for each side of the package.

The web also has a series of spots 18 printed thereon in definitely associated relation to the designs, these being placed in a space between the designs and the edges of the web of paper so that as the web of paper is fed along, the spots are successively brought into activating relation to the photo-electric cell or element 15.

A lamp 19 is arranged so that the paper passes between the element 15 and the lamp 19.

As the web is advanced by the feed rolls, the spots passing the element 15 activate the same so that this impulse is transmitted to the amplifying or relay unit 16 which is in turn connected to the solenoid actuated clutch control mechanism 14, thereby controlling the releasing of the clutch and consequently the delivery of the paper to the cutters in proper relation so that it is severed at the right point and the sheets are delivered in proper relation to the wrapping mechanism.

I also preferably provide means for laterally adjusting the paper insuring proper lateral registration in its delivery and to accomplish this, the paper roll supporting shaft 20 is mounted for axial adjustment, it being provided with a grooved collar 21 engaged by the fork 22 on the screw 23.

The screw 23 has a pair of ratchet units designated generally by the numeral 24, these units being independently actuated by the solenoids 25, the armatures 26 of which are connected to the ratchet units by means of the links 27see Figs. 3 and 4. It will be understood that the actuation of one solenoid will rotate the screw 23 in one direction, the actuation of the other solenoid actuating it in the opposite direction.

These solenoids or electro magnets are controlled from the photo-electric cell 28 which is disposed so that as the web of paper is advanced, the spots 29 are successively brought into register therewith, there being a double series of these spots located in a uniformly spaced relation to the edges of the web. These elements 28 have lamps 30 associated therewith and they are connected to the amplifying and relay units 31 which are in turn connected to the solenoids 25. When one of these elements 28 is activated by a spot 29 its associated amplifying and relay unit is amplified and it in turn energizes the solenoid 25 associated therewith.

I have not described the electrical connections as these are conventionally shown but it is believed that they are quite sufiicient for the purpose of disclosing a practical embodiment of my improvements.

With this arrangement of parts, the web of paper is not only adjusted laterally so that the sheets are properly delivered to the wrapping mechanism but the sheets are also cut off at the right point so that when the wrapper is folded upon a carton the panels or designs occupy the correct position thereon.

I have illustrated and described my improvements in an embodiment which I have found highly satisfactory. I have not attempted to illustrate or describe various modifications and adaptations to other uses; for instance, a machine designed merely for the cutting of a web of paper into sheets as it is believed that this disclosure will enable those skilled in the art to embody or adapt my improvements as may be desired.

Having thus described my invention, what I claim as new and desire to secure by Letters Patent, is:

1. In an apparatus for feeding a web having spaced spots disposed longitudinally adjacent each edge thereof and subject to lateral deviation from a desired normalcy, the combination of a source of radiant energy associated with each edge of the web and disposed below the same, a photo-electric cell associated with each edge of the web and disposed above the same, each cell and its light source being offset to the outer side of its spots so as not to be de-energized so long as the web remains in the desired normalcy, and means automatically operable by each cell during the shading thereof by its spots from its source of radiant energy for causing a corrective deviation of the web and consequent discontinuance of such shading.

2. In a web feeding apparatus, the combination with a traveling web subject to lateral deviation from a desired normalcy, of a source of light at each edge of the web and on one side thereof, a light-sensitive control device at each edge of the web on the side opposite said light sources, the web having a double series of spots located in uniformly spaced relation to the edges of the web and disposed so as not to affect said light-sensitive control devices so long as the web does not deviate from the desired normalcy, and means automatically operable by said devices during the shading thereof by said spots for causing a corrective deviation of the web and consequent discontinuance of such shading.

RALPH S. CLARK.

US435142A 1930-03-12 1930-03-12 Web feeding apparatus Expired - Lifetime US1972075A (en)

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Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566399A (en) * 1946-12-31 1951-09-04 Time Inc Lateral register control mechanism for printing presses
US2672299A (en) * 1951-04-23 1954-03-16 American Viscose Corp Web registering apparatus
US2692460A (en) * 1952-04-26 1954-10-26 Ryman Engineering Company Grinding apparatus for the traveling belt type
US2712204A (en) * 1952-08-22 1955-07-05 Ryman Engineering Company Grinding apparatus of the traveling belt type
US2730359A (en) * 1952-09-25 1956-01-10 Battle Creek Packaging Machine Web indexing apparatus for wrapping machines
US2746752A (en) * 1952-04-09 1956-05-22 Keller Electrically controlled web feeding means for a bag making machine
US3366876A (en) * 1963-01-04 1968-01-30 Ampex System for analysis and control of dynamic characteristics of mechanisms
US3857525A (en) * 1973-04-20 1974-12-31 Gerber Scientific Instr Co Plotting system
US4077579A (en) * 1976-04-12 1978-03-07 Columbia Ribbon & Carbon Mfg. Co., Inc. Edge alignment apparatus
US4337598A (en) * 1979-12-21 1982-07-06 Minnesota Mining And Manufacturing Company Endless belt with automatic steering control
US4557372A (en) * 1984-08-13 1985-12-10 The Mead Corporation Belt system with alignment apparatus
US5248027A (en) * 1992-12-18 1993-09-28 Xerox Corporation Method and apparatus for belt steering control

Cited By (12)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2566399A (en) * 1946-12-31 1951-09-04 Time Inc Lateral register control mechanism for printing presses
US2672299A (en) * 1951-04-23 1954-03-16 American Viscose Corp Web registering apparatus
US2746752A (en) * 1952-04-09 1956-05-22 Keller Electrically controlled web feeding means for a bag making machine
US2692460A (en) * 1952-04-26 1954-10-26 Ryman Engineering Company Grinding apparatus for the traveling belt type
US2712204A (en) * 1952-08-22 1955-07-05 Ryman Engineering Company Grinding apparatus of the traveling belt type
US2730359A (en) * 1952-09-25 1956-01-10 Battle Creek Packaging Machine Web indexing apparatus for wrapping machines
US3366876A (en) * 1963-01-04 1968-01-30 Ampex System for analysis and control of dynamic characteristics of mechanisms
US3857525A (en) * 1973-04-20 1974-12-31 Gerber Scientific Instr Co Plotting system
US4077579A (en) * 1976-04-12 1978-03-07 Columbia Ribbon & Carbon Mfg. Co., Inc. Edge alignment apparatus
US4337598A (en) * 1979-12-21 1982-07-06 Minnesota Mining And Manufacturing Company Endless belt with automatic steering control
US4557372A (en) * 1984-08-13 1985-12-10 The Mead Corporation Belt system with alignment apparatus
US5248027A (en) * 1992-12-18 1993-09-28 Xerox Corporation Method and apparatus for belt steering control

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