Title of Invention

DEVICE FOR FEEDING BISCUIT STACKS ON TO A FLIGHT BAR CONVEYOR

Abstract

A device for feeding biscuit stacks on to a flight bar conveyor, said device comprising a magazine for supplying the biscuits continuously, a cross pusher located perpendicular to the magazine and an inline pusher located parallel to the magazine for pushing a / predetermined stack length of biscuits upon a top plate which is located on the same vertical plane as that of the end of the magazine from where the biscuits are being pushed, said top plate is provided with a tragectile guide at an end opposite to the end from where the biscuits are pushed, and a flight bar conveyor for receiving the stack of biscuits.

Full Text

FORM 2 THE PATENTS ACT, 1970 (39 of 1970) COMPLETE SPECIFICATION (See section 10) DEVICE FOR FEEDING BISCUIT STACKS ON TO A FLIGHT BAR CONVEYOR MULTI PACK SYSTEMS PVT. LTD., an Indian Company of 2nd Floor, Pa triot Complex, Ellora Park, Baroda, Gujarat 390 007, India. The following specification (particularly) describes the nature of the invention and the manner in which it is to be performed. FIELD OF THE INVENTION The present invention provides a device for feeding biscuit stacks on to a flight bar conveyor. BACKGROUND AND PRIOR ART DESCRIPTION The existing mechanism of feeding biscuit stacks on the flight bar conveyor (1) works as follows: Inline pusher moving to and fro horizontally takes the stacks of biscuits. The required length of biscuit stacks are placed on two support rods (3) situated below inline pusher (2). A flexible finger (4) at the top of rows of biscuits separates the stacks from the magazine. The support rods (3) take down the separated stacks. At the bottom position, the support rods open and drop the stacks in the infeed conveyor with simple gravity force. A reference may be made to Figure 1 for a more detailed explanation. Here, following are the major limitations / problems which generally are being faced during operating process. 1. This system is very complicated and involves many components in the mechanism. 2. More maintenance because of more components, 3. The biscuits get disturbed / disoriented particularly when the rectangular biscuits are handled. 4. Operates at slow speed i.e., 25 drops per minute. BRIEF DESCRIPTION OF THE ACCOMPANYING DRAWINGS In the drawings accompanying the specification, Figure 1 represents the existing mechanism of feeding biscuit stacks on the flight bar conveyor. Figure 2 (A-E) shows the side view of the top plate having different shapes of tragectile guide according to the present invention. Figure 3 (A-E) shows the three-dimensional view of the top plate having different shapes of tragectile guide according to the present invention. Fig 4 (A-E) shows the various methods of producing the top plate having the tragectile guide (side views). Fig 4(A) shows the Flow diagram for method of producing various profiles for trajectory guide in Fig 4 (A-E) Figure 5 (A-E) shows the various methods of producing the top plate having the tragectile guide (three-dimensional views). Figure 5 (A) shows the Flow Diagram for method of producing various profiles for trajectory guide in Fig. 5(A) Figure 6 (A) is the top view representing the working of the biscuit feeding device of the present invention. Figure 6 (B) is the side view representing the working of the biscuit feeding device of the present invention. OBJECTS OF THE PRESENT INVENTION The main object of the present invention is to provide a device for feeding biscuit stacks on to a flight bar conveyor. SUMMARY OF THE INVENTION The present invention provides a device for feeding biscuit stacks on to a flight bar conveyor, said device comprising a magazine for supplying the biscuits continuously, a cross pusher located perpendicular to the magazine and an inline pusher located parallel to the magazine for pushing a predetermined stack length of biscuits upon a top plate which is located on the same vertical plane as that of the end of the magazine from where the biscuits are being pushed, said top plate is provided with a tragectile guide at an end opposite to the end from where the biscuits are pushed, and a flight bar conveyor for receiving the stack of biscuits. DETAILED DESCRIPTION OF THE PRESENT INVENTION Accordingly, the present invention provides a device for feeding biscuit stacks on to a flight bar conveyor, said device comprising a magazine for supplying the biscuits continuously, a cross pusher located perpendicular to the magazine and an inline pusher located parallel to the magazine for pushing a predetermined stack length of biscuits upon a top plate which is located on the same vertical plane as that of the end of the magazine from where the biscuits are being pushed, said top plate is provided with a tragectile guide at an end opposite to the end from where the biscuits are pushed, and a flight bar conveyor for receiving the stack of biscuits. In an embodiment of the present invention, the tragectile guide is provided in the path in which the biscuit stack travels. In another embodiment of the present invention, the cross pusher and the inline pusher move to and fro to push the predetermined stack length of biscuits on to the top plate. In still another embodiment of the present invention, the stack length of the biscuits to be pushed is determined based on the weight of the biscuits to be packed. In yet another embodiment of the present invention, the top plate is made up of a food grade material. In a further embodiment of the present invention, the tragectile guide is made up of a food grade material. In one more embodiment of the present invention, the food grade material may be either stainless steel or plastic. In one another embodiment of the present invention, the biscuits pushed by the cross pusher get aligned when they approach the tragectile guide. In an embodiment of the present invention , the biscuits being pushed by the cross pusher climbs over the tragectile guide. In another embodiment of the present invention, the tragectile guide determines the tragectile path the biscuits to follow. In still another embodiment of the present invention, the tragectile guide located on the top plate may be in the form of a section of a circle or ellipse (Figure 2 A). In yet another embodiment of the present invention, the tragectile guide located on the top plate may be in the form of a section of a circle or ellipse having a base and having provisions for taking the top plate (figure 2 C). In a further embodiment of the present invention, the tragectile guide on the top plate may be in the form of an angular plate (figure 2 D). In one more embodiment of the present invention, the tragectile guide located on the top plate may be in the form of a curved plate (figure 2 E). In one another embodiment of the present invention, the tragectile guide may be in the form of a bend in the top plate. In an embodiment of the present invention, the tragectile guide may be in formed by machining the bottom portion of the top plate and bending the remaining top portion (Figure 2B). In another embodiment of the present invention, the top plate having the tragectile guide can be formed as a single piece or two or more portions which can be attached by conventional means to form the top plate having the tragectile guide. In still another embodiment of the present invention, the tragectile guide may be a separate part which can be attached at the end of the top plate by any conventional means such as nuts and bolts, welding, nails and adhesives. In yet another embodiment of the present invention, two or more parts can be attached by using screws, rivets, nuts, adhesives and welding. In a further embodiment of the present invention, the top plate having the tragectile guide can be obtained by bending the top plate, by machining the bottom portion of the top plate at one end and bending remaining top portion, by fixing a section of a circle or an ellipse at the top surface of the top plate by convention means, by machining the bottom or top portion of the top plate and attaching an angular plate, by machining the top or bottom portion of the top plate and attaching a curved plate. In one more embodiment of the present invention, the tragectile guide prevents the stack of biscuits from misalignment and /or disorientation. In one another embodiment of the present invention, the flight bar conveyor can be either in the same vertical plane as that of the top plate or it can be slightly below the top plate. In an embodiment of the present invention, the top plate of the flight bar conveyor may be 1 to 100 mm below the top surface of the top plate. In another embodiment of the present invention, the length of the tragectile guide is equal to the stack length of the biscuits. In still another embodiment of the present invention, the stack length of the biscuit may be in the range of 40-250 mm. In yet another embodiment of the present invention, the length of the tragectile guide may be in the range of 40-250 mm. DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENTS The invention is now described in detail with reference to the preferred embodiments which are given by way of illustrations and therefore, should not be construed to limit the scope of the present invention in any manner. The various embodiments of the present invention are described in figures 2 (A-E) and Figures 3 (A-B). The various methods for producing the aforesaid embodiments are shown in figures 4 (A-B) and figures 5 (A-E). Figure 2 (A) and 3 (A) show a top plate having a section of a circle or ellipse attached to it according to an embodiment of the present invention. Here, the height of the tragectile guide indicated by "A" can be in the range of 2 to 10 mm and the width of the tragectile guide can be in the range of 3 to 15 mm. Figures 4 (A) and 5(A) show the process for making the top plate having the tragectile guide. Here, the top plate is made from food grade material separately and the tragectile guide is made separately. The food grade materials may be either stainless steel or plastic. The tragectile guide is then attached to the top plate using screws and rivets. Figure 2 (B) and 3 (B) show a top plate having an in built tragectile guide according to another embodiment of the present invention. Here, the bottom portion of one side of the top plate is machined and then the remaining portion is bent to form a curved elevation. The height of the elevation which forms the tragectile guide, indicated by "A" can be in the range of 6 to 20 mm and the width of the tragectile guide can be in the range of 3 to 25 mm. Figures 4 (B) and 5 (B) show the process for making the top plate having in built tragectile guide, ere, the bottom portion of the top plate is machined the tragectile guide is made by bending operation. Figures 2 (C) and 3 (C) show a top plate being inserted into a section of a circle or ellipse having provisions for taking the top plate to form a top plate having a tragectile guide in accordance with still another embodiment of the present invention. Here, the height of the tragectile guide indicated by "A" can be in the range of 8 to 20 mm and the width of the base of the tragectile guide can be in the range of 5 to 15 mm. Figures 4 (C) and 5 (C) show the process for making the top plate having the tragectile guide, wherein the top plate is inserted into a section of a circle or ellipse having provisions for taking the top plate to form the top plate having a tragectile guide. Here, the top plate is made from food grade material separately and the tragectile guide is made separately. The food grade materials may be either stainless steel or plastic. The tragectile guide is then machined to make provisions for taking the top plate. The top plate and the tragectile guide are then attached together using screws and rivets. Figures 2 (D) and 3 (D) show a top plate having an angular plate attached at its bottom portion in accordance with yet another embodiment of the present invention. Here, the height of the tragectile guide indicated by "A" can be in the range of 8 to 20 mm and the width of the base of the tragectile guide can be in the range of 5 to 15 mm. Figures 4 (D) and 5 (D) show the process for making the top plate having an angular plate attached at its bottom portion. Here, the bottom portion of the top plate is machined and the angular plate having the dimensions as shown in figure 2 (D) is spot welded with the top plate from bottom side. Figures 2 (E) and 3 (E) show a top plate having a curved plate attached at its bottom portion in accordance with yet another embodiment of the present invention. Here, the height of the tragectile guide indicated by "A" can be in the range of 8 to 20 mm and the width of the base of the tragectile guide can be in the range of 5 to 15 mm. Figures 4 (E) and 5 (E) show the process for making the top plate having a curved plate attached at its bottom portion. Here, the bottom portion of the top plate is machined and the curved having the dimensions as shown in figure 2 (E) is spot welded with the top plate from bottom side. The working of the present invention is described below:The biscuits are manually or automatically loaded in the magazines. Inline pusher (10) and cross pusher (11) separates the stacks of biscuits in required length. The stack of biscuits in required length is pushed by cross pusher (11) on top plate (12). After auto separation of stacks, they are pushed onto the top plate (12). The stacks travel over the top plate towards the infeed conveyor. The concept of tragectile guide (13) developed in the present invention in the path of the biscuit stack travel does the following functions: (1) The biscuits get aligned when they approach the guide. (2) Subsequently, the stacks of biscuits climb over the guide, attains the required velocity in tragectile path and finally land into the flight bar conveyor (14) with proper orientation. The working of the present invention is shown in detailed manner in figures 6 (a and b). ADVANTAGES OF THE PRESENT INVENTION • Very simple mechanism. • Very few components are evolved in the assembly. Negligible maintenance. No dis-regimentation of the stacks when separated and no disorientation or disturbance of the stacks while dropping into the infeed conveyor. • Operates with higher speed i.e., 50 drops / minute We claim: 1. A device for feeding biscuit stacks on to a flight bar conveyor, said device comprising a magazine for supplying the biscuits continuously, a cross pusher located perpendicular to the magazine and an inline pusher located parallel to the magazine for pushing a / predetermined stack length of biscuits upon a top plate which is located on the same vertical plane as that of the end of the magazine from where the biscuits are being pushed, said top plate is provided with a tragectile guide at an end opposite to the end from where the biscuits are pushed, and a flight bar conveyor for receiving the stack of biscuits. 2. A device as claimed in claim 1, wherein the tragectile guide is provided in the path in which the biscuit stack travels. 3. A device as claimed in claim 1, wherein the cross pusher and the inline pusher move to and fro to push the predetermined stack length of biscuits on to the top plate. 4. A device as claimed in claim 1, wherein the stack length of the biscuits to be pushed is selected based on the weight of the biscuits to be packed. 5. A device as claimed in claim 1, wherein the top plate is made up of a food grade material. 6. A device as claimed in claim 1, wherein the tragectile guide is made up of a food grade material. 7. A device as claimed in claim 6, wherein the food grade material may be either stainless steel or plastic. 8. A device as claimed in claim 1, wherein the cross pusher arranged to push the biscuits to align at the tragectile guide. 9. A device as claimed in claim 1, wherein the tragectile path to be followed by the biscuits is provided by the tragectile guide. 10. A device as claimed in claim 1, wherein the tragectile guide located on the top plate is in the form of a section of a circle or ellipse . 11. A device as claimed in claim 1, wherein the tragectile guide located on the top plate is in the form of a section of a circle or ellipse having a base and having provisions for taking the top plate. 12. A device as claimed in claim 1, wherein the tragectile guide on the top plate is in the form of an angular plate. 13. A device as claimed in claim 1, wherein the tragectile guide located on the top plate is in the form of a curved plate. 14. A device as claimed in claim 1, wherein the tragectile guide is in the form of a bend in the top plate. 15. A device as claimed in claim 1, wherein the tragectile guide is formed by machining the bottom portion of the top plate and bending the remaining top portion 16. A device as claimed in claim 1, wherein the top plate having the tragectile guide formed as a single piece or two or more portions which is attached by conventional means to form the top plate having the tragectile guide. 17. A device as claimed in claim 1, wherein the tragectile guide is separate part which is attached at the end of the top plate by any conventional means such as nuts and bolts, welding, nails and adhesives. 18. A device as claimed in claim 1, wherein two or more parts are attached by using screws , rivets, nuts, adhesives and welding. 19. A device as claimed in claim 1, wherein the top plate having the tragectile guide is obtained by bending the top plafe, by machining the bottom portion of the top plate at one end and bending remaining top portion, by fixing a section of a circle or an ellipse at the top surface of the top plate by convention means, by machining the bottom or top portion of the top plate and attaching art angular plate, by machining the top or bottom portion of the top plate and attaching a curved plate. 20. A device as claimed in claim 1, wherein the tragectile guide is provided for preventing the stack of biscuits from misalignment and or disorientation, 21. A device as claimed in claim 1, wherein the flight bar conveyor is either in the same vertical plane as that of the top plate or slightly below the top plate. 22. A device as claimed in claim 1, wherein the top plate of the flight bar conveyor is 1 mm to 100mm below the top surface of the top plate. 23. A device as claimed in claim 1, wherein the length of the tragectile guide is equal to the stack length of the biscuits. 24. A device as claimed in claim 1, wherein the length of the tragectile guide is in the range of 40-250 mm. 25. A device for feeding biscuit stacks on to a flight bar conveyor, substantially as herein described with reference to the accompanying drawings and examples. Dated this 21st day of December, 2001 S K PANGASA OF K&S PARTNERS AGENT FOR.THE APPLICANTS

Documents:

1213-mum-2001-cancelled pages(17-03-2008).pdf

1213-mum-2001-claims(granted)-(17-03-2008).doc

1213-mum-2001-claims(granted)-(17-03-2008).pdf

1213-mum-2001-correspondence(ipo)-(05-11-2008).pdf

1213-mum-2001-correspondence1(19-10-2005).pdf

1213-mum-2001-correspondence2(17-03-2008).pdf

1213-mum-2001-drawing(17-03-2008).pdf

1213-mum-2001-form 1(23-01-2002).pdf

1213-mum-2001-form 1(26-12-2001).pdf

1213-mum-2001-form 19(21-10-2004).pdf

1213-mum-2001-form 2(granted)-(17-03-2008).doc

1213-mum-2001-form 2(granted)-(17-03-2008).pdf

1213-mum-2001-form 26(01-02-2002).pdf

1213-mum-2001-form 26(14-03-2008).pdf

1213-mum-2001-form 26(31-05-2002).pdf

1213-mum-2001-form 3(26-12-2001).pdf

1213-mum-2001-form 5(26-12-2001).pdf

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