. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . tion of this conveyor the most fragile objects, eitheron trays or loose in boxes, are handled without ease of transition from gravity to power conveyors orelevators adds to the effectiveness of gravity bottle and similar glass plants lines of gravity conveyorcarry the packed cartons, boxes, or crates from the packersto storage or shipping rooms. For this purpose overheaddistribution systems are probab
. Material handling cyclopedia; a reference book covering definitions, descriptions, illustrations and methods of use of material handling machines employed in industry . tion of this conveyor the most fragile objects, eitheron trays or loose in boxes, are handled without ease of transition from gravity to power conveyors orelevators adds to the effectiveness of gravity bottle and similar glass plants lines of gravity conveyorcarry the packed cartons, boxes, or crates from the packersto storage or shipping rooms. For this purpose overheaddistribution systems are probably most efifective, withswitches at desired points to divert the packages to ad-justable chutes leading to cars or storage piles, From thelumber yard or crate shop gravity conveyors, often inconnection with short power boosters, are useful in carry-ing packing materials to the packers. Steel rollers of from 16 in. to 24 in. in length are best,with a spacing of 6 in. to 8 in., or even 10 in. for thelonger racks. For ball bearing conveyors a grade of from3 per cent to 4 per cent is usual, although for handlingflexible paperboard cartons a grade of 6 per cent is none. Handling Fragile Objects in Racks insure the successful and economical operation of rollergravity for glass handling. Wholesale HousesHampers—Baskets—Boxes The standardization of containers for making up andshipping orders has enabled the roller gravity conveyor tobe applied very economically to wholesale and mail orderhouses. These gathering baskets bring within the scope ofgravity conveying practically all of the packages alone, or in systems with belt conveyors and spiralchutes, lines of gravity conveyors form a very direct dis-tributing medium. By hanging the sections from the ceil-ing and lowering the packages to the wrapping and packingtables on straight chutes or short spirals the working floorareas are kept clear. In wholesale dry goods houses in-coming cases are conveyed, and even temporaril
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Keywords: ., bo, bookcentury1900, bookdecade1920, booksubjecthoistingmachinery
