US2078599A - Cement sack opening device - Google Patents

Cement sack opening device Download PDF

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Publication number
US2078599A
US2078599A US8560736A US2078599A US 2078599 A US2078599 A US 2078599A US 8560736 A US8560736 A US 8560736A US 2078599 A US2078599 A US 2078599A
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Prior art keywords
hopper
bag
cement
saw
conveyor
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Expired - Lifetime
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Irvin D Mccauley
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George L Blaxton
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April 27, 1937. l. D. M CAULEY 2,078,599

I CEMENT SACK OPENING DEVICE Original Filed March 31, 1954 2 Sheets-Sheet 1 Inventor jrwa'zz fljfi f'azzky M /1 Home y April-27, 1937. DMCCAULEY 2,078,599

CEMENT SACK OPENING DEVICE Original Filed March 51, 1954 2 Sheets-Sheet 2 Invenior Patented Apr. 27, 1937 2,078,599 CEMENT SACK OPENING DEVICE Irvin D. McCauley, Arp, Tex., assignor of onehalf to George L. Blaxton, Shreveport, La.

Refiled for abandoned application Serial N0. 718,481, March 31, 1934. This application June 16, 1936, Serial No. 85,607

Claims.

This application is refiled for abandoned application Serial No. 718,481, filed March 31; 1934.

This invention relates to a device susceptible of operable connection with a transporting truck 5 or similar conveyance and expressly designed for the purpose of opening cement sacks, bags and analogous material containing packages.

As above implied the device is preferably constructed in the form of an attachment to an oil well cementing truck so as to provide a handy and dependable means enabling a single attendant to satisfactorily saw open a cement containing sack to permit the contents thereof to be dumped into a hopper and conveyed by appropriate means to the point of use.

Briefly stated the preferred embodiment of the invention includes a hopper equipped with a stationary toothed saw, an endless conveyor for bringing the cement bags and sacks into cutting position in relation to the saw and a collection hopper and conveyor means for handling the material as it is discharged from the sack.

Other features and advantages of the invention will become more readily apparent from the following description and the accompanying drawmgs.

In the drawings wherein like numerals are employed to designate like parts throughout the same:

Figure l is a top plan view of the complete device as constructed in accordance with the principles of the present invention and showing the conveyor chains in dotted lines.

Figure 2 is a vertical or transverse sectional view taken approximately on the plane of the line 22 of Figure 1.

Figure 3 is a view taken on the plane of the irregular line 3-3 of Figure 2.

In the drawings the hopper, which may be of appropriate proportions and shape, is denoted by the numeral 4. It will be noticed that the back wall thereof is provided with an extension 5 which serves as a guard or stop plate for the cement bag, sack or other container being opened at the time. The material, generally cement, sand or the like is dumped into the hopper and gravitates into a tubular conveyor casing 6 by way of the inlet opening 1. An appropriate screw conveyor, suitably driven is mounted in this casing, the conveyor being denoted by the numeral 8.

The saw is indicated by the numeral 9 and is rigidly mounted between brackets I B and In attached to the interior of the hopper at a suitable elevation. The saw is preferably centrally arranged so as to be in proper position to cut or slit the bag as it is drawn thereacross through the aid of the conveyor chains. The conveyor chains are denoted by the numerals H and extend through an opening l2 in the front wall of the hopper and through accommodation slots l3 in the rear wall. On the exterior of the rear wall I provide supporting brackets I 4 for a rotary shaft 15 carrying sprockets l6 cooperable with the conveyor chains. On the front wall adjacent the guide slot are outstanding supporting brackets I I for guide rollers I8 and I9 cooperable with the chains of the conveyor.

The numeral 20 designates an agitator shaft provided with agitating elements or pins 2| and mounted in suitable bearings 22 and provided with a pulley or equivalent element 23 for convenient operation by a belt or the like.

In practice the loaded bag is simply placed on the motor driven conveyor chains and is fed in the direction of the hopper 4. As the bag rides across the stationary saw 9 it is obvious that it is cut or slit open, allowing the contents to drop down into the hopper and to be carried out by the screw conveyor 8. The rotation of the agitator 20 prevents clogging. Hence it is possible for a single attendant or workman to manipulate the device for successful and expeditious results.

The gist of the invention is found in the provision of a suitably shaped conveyor equipped hopper having appropriate discharge means and a stationary saw, and internal agitator means to prevent clogging. Then too specific novelty is predicated upon the stop plate 5 formed as a part of the hopper to prevent displacement of the bag and to facilitate handling of the device by the workman. Moreover the combination of the conveyor and operating means located in a plane with a stationary saw 9 appears to be an efiicient development.

It is thought that persons skilled in the art to which the invention relates will be able to obtain a clear understanding of the invention after considering the description in connection with the drawings. Therefore, a more lengthy description is regarded as unnecessary.

Minor changes in shape, size, and rearrangement of details coming within the field of invention claimed may be resorted to in actual practice, if desired.

What is claimed is:-

I. An apparatus for opening and dumping cement from bags, comprising a hopper, a centralized horizontally disposed bag opening saw rigidly mounted in the upper portion of the hopper, bag conveying means connected with said hopper, and

disposed parallel to and alongside of said saw, and a stop plate for the conveyed bags, said stop plate extending from the rear wall of the hopper.

2. An apparatus for opening and dumping cement from a disruptable cement-containing bag comprising a hopper constituting a receiver for the cement, a bag opening saw rigidly mounted in the upper portion of the hopper in a. plane substantially even with the upper open end of said hopper, bag conveyors operatively supported on the hopper and located in parallelism on opposite sides of the saw, and bag abutment and guard means located at one end of the saw and serving to expedite retrieving the bag and to further insure effective cutting of the bag.

3. In a structural assemblage of the class'described, a cement trapping hopper open at its top, a pair of spaced parallel bag delivery conveyor chains mounted on said hopper and movable across the open top thereof, a rigid bag cutting saw mounted in the upper open portion of the hopper and located between said chains to allow the chains to simultaneously support the bag and to move it in a direction parallel to the longitudinal axis of the saw to out the bag open over the hopper and to allow the contents to drop into the hopper.

, 4. In a structural assemblage of the class described, a cement trapping hopper open at its top,'a pair of spaced parallel bag delivery conveyor chains mounted on said hopper and movable across the open top thereof, a rigid bag cutting saw mounted in the upper open portion of the hopper and located between said chains to allow the chains to simultaneously support the bag and to move it in a direction parallel to the longitudinal axis of the saw to cut the bag open over thehopper and to allow the contents to drop into the hopper, one wall of said hopper at one end of said saw being provided with, an upstanding stop plate to limit the travel of the bag and to insure effective severing thereof.

5. In a structure of the class described, a material receiving hopper open at its top and including front, rear, and connecting end walls, said rear wall being provided with an upstanding slotted bag stopping plate, a roller mounted for rotation on said rear wall within the vicinity of the slot, said roller being provided with chainoperating sprockets, a pair of horizontally disposed complemental chain guiding rollers mounted on the front wall of the hopper, a pair of bag conveying chains cooperable with said front guide rollers and extending through the slots in the stop plate on the rear wall and engageable with said sprockets, said chains being disposed in v spaced-apart parallelism, and a rigid bag cutting saw supported between the front and rear walls of the hopper and located between said chains in the manner and for the purposes described.

IRVIN D. McCAULEY.

US2078599A 1936-06-16 1936-06-16 Cement sack opening device Expired - Lifetime US2078599A (en)

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Cited By (25)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571781A (en) * 1949-12-20 1951-10-16 George T Sutch Bag splitting and dispensing device
US2831591A (en) * 1956-12-06 1958-04-22 Rohm & Haas Bulk package opener
US3168926A (en) * 1963-02-18 1965-02-09 Dietert Co Harry W Weighing and transfer apparatus
US4252489A (en) * 1979-04-04 1981-02-24 Emmanuel Mechalas Bag opening apparatus
US5267823A (en) * 1990-08-23 1993-12-07 Roman Walter C Apparatus for splitting bags containing waste
US7922437B1 (en) * 2009-11-23 2011-04-12 Meadwestvaco Corporation Display system, dispensing device and package for use therein
US20110121011A1 (en) * 2009-11-23 2011-05-26 John Gelardi Product Dispensing System With Anti-Theft Engagement
US20120000370A1 (en) * 2010-07-03 2012-01-05 Joerg Krug Apparatus for making a hot drink
US8302809B1 (en) 2011-05-11 2012-11-06 Meadwestvaco Corporation Product dispensing system with increased product-to-dispenser contact
US8308023B2 (en) 2011-02-23 2012-11-13 Meadwestvaco Corporation Product dispensing system with directional flexing container
US8322543B2 (en) 2010-07-23 2012-12-04 Meadwestvaco Corporation Product dispensing apparatus and system
US8448815B2 (en) 2009-11-23 2013-05-28 Meadwestvaco Corporation Product dispenser with low product indicator
US8534224B2 (en) 2010-11-04 2013-09-17 Welker Wildlife & Equipment, Inc. Removable adapter to facilitate manual filling of animal feeders
US8550261B2 (en) 2011-09-09 2013-10-08 Meadwestvaco Corporation Product dispensing system with flexing container
US8628003B2 (en) 2010-09-25 2014-01-14 Meadwestvaco Corporation Product dispensing container, system and method with priming area
US8657126B1 (en) 2012-08-27 2014-02-25 Meadwestvaco Corporation Product dispensing system with dispenser door
US8668114B2 (en) 2011-05-02 2014-03-11 Meadwestvaco Corporation Dispensing system and package for use therewith
US8833601B2 (en) 2012-02-24 2014-09-16 Meadwestvaco Corporation Product dispensing system with staggered perforations
US8851302B2 (en) 2012-04-16 2014-10-07 Meadwestvaco Corporation Product dispensing system with container-product interaction
US8985346B2 (en) 2011-09-08 2015-03-24 Meadwestvaco Corporation Multi-deck product dispensing system with rear guide
US9090390B2 (en) 2010-09-27 2015-07-28 Meadwestvaco Corporation Product dispensing system
US9096345B2 (en) 2013-08-22 2015-08-04 Meadwestvaco Corporation Product dispensing system with reinforced weakening features
US9174785B2 (en) 2011-02-23 2015-11-03 Westrock Mwv, Llc Product dispensing system with panel guide
US9320365B2 (en) 2012-08-31 2016-04-26 Westrock Mwv, Llc Product dispensing system with sound reducing features
US9359106B2 (en) 2011-07-18 2016-06-07 Westrock Mwv, Llc Product dispensing system with multiple dispensing decks

Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2571781A (en) * 1949-12-20 1951-10-16 George T Sutch Bag splitting and dispensing device
US2831591A (en) * 1956-12-06 1958-04-22 Rohm & Haas Bulk package opener
US3168926A (en) * 1963-02-18 1965-02-09 Dietert Co Harry W Weighing and transfer apparatus
US4252489A (en) * 1979-04-04 1981-02-24 Emmanuel Mechalas Bag opening apparatus
US5267823A (en) * 1990-08-23 1993-12-07 Roman Walter C Apparatus for splitting bags containing waste
US8448815B2 (en) 2009-11-23 2013-05-28 Meadwestvaco Corporation Product dispenser with low product indicator
US7922437B1 (en) * 2009-11-23 2011-04-12 Meadwestvaco Corporation Display system, dispensing device and package for use therein
US20110121011A1 (en) * 2009-11-23 2011-05-26 John Gelardi Product Dispensing System With Anti-Theft Engagement
US20110121010A1 (en) * 2009-11-23 2011-05-26 Loftin Caleb S Display System, Dispensing Device and Package For Use Therein
JP2014195732A (en) * 2009-11-23 2014-10-16 ミードウエストベコ・コーポレーション Dispensing system and package for use therein
US9790013B2 (en) 2009-11-23 2017-10-17 Westrock Mwv, Llc Dispensing system and package for use therewith
US20120000370A1 (en) * 2010-07-03 2012-01-05 Joerg Krug Apparatus for making a hot drink
US8322543B2 (en) 2010-07-23 2012-12-04 Meadwestvaco Corporation Product dispensing apparatus and system
US8628003B2 (en) 2010-09-25 2014-01-14 Meadwestvaco Corporation Product dispensing container, system and method with priming area
US9102456B2 (en) 2010-09-25 2015-08-11 Meadwestvaco Corporation Product dispensing container, system and method with priming area
US9096361B2 (en) 2010-09-25 2015-08-04 Meadwestvaco Corporation Product dispensing container, system and method with priming area
US9090390B2 (en) 2010-09-27 2015-07-28 Meadwestvaco Corporation Product dispensing system
US8534224B2 (en) 2010-11-04 2013-09-17 Welker Wildlife & Equipment, Inc. Removable adapter to facilitate manual filling of animal feeders
US8308023B2 (en) 2011-02-23 2012-11-13 Meadwestvaco Corporation Product dispensing system with directional flexing container
US9174785B2 (en) 2011-02-23 2015-11-03 Westrock Mwv, Llc Product dispensing system with panel guide
US8668114B2 (en) 2011-05-02 2014-03-11 Meadwestvaco Corporation Dispensing system and package for use therewith
US8302809B1 (en) 2011-05-11 2012-11-06 Meadwestvaco Corporation Product dispensing system with increased product-to-dispenser contact
US9359106B2 (en) 2011-07-18 2016-06-07 Westrock Mwv, Llc Product dispensing system with multiple dispensing decks
US8985346B2 (en) 2011-09-08 2015-03-24 Meadwestvaco Corporation Multi-deck product dispensing system with rear guide
US8550261B2 (en) 2011-09-09 2013-10-08 Meadwestvaco Corporation Product dispensing system with flexing container
US8833601B2 (en) 2012-02-24 2014-09-16 Meadwestvaco Corporation Product dispensing system with staggered perforations
US8851302B2 (en) 2012-04-16 2014-10-07 Meadwestvaco Corporation Product dispensing system with container-product interaction
US8657126B1 (en) 2012-08-27 2014-02-25 Meadwestvaco Corporation Product dispensing system with dispenser door
US9320365B2 (en) 2012-08-31 2016-04-26 Westrock Mwv, Llc Product dispensing system with sound reducing features
US9096345B2 (en) 2013-08-22 2015-08-04 Meadwestvaco Corporation Product dispensing system with reinforced weakening features

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