MATERIALS HANDLING
PUTTING THE "ABSOLUTE" IN LINE SHUT-OFF...
OTHER HAMER
FINE VALVES
Homer Line Blind Valves It has long been recognized that conventional type valves do develop leaks. And contamination of product when it occurs costs dearly in time and money. Preventing this is where Hamer Line Blinds excel. Handwheel or bar operated, Hamer Line Blind Valves squeeze dead tight against the center spectacle plate forming an impassable line shut-off that's both permanent and absolute. Yet Hamer Line Blinds are fast, safe, simple to operate. One man can open or blind a line in one minute. Investigate Hamer Line Blinds. Let a Hamer representative show you how these remarkable valves can actually pay for themselves.
Leah-proof Gate Valve
Visible Wedge Valve.
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SEND FOR FREE CATALOG Lift-type Plug Valve
VALVES INC. P . O . Box 1851 2 9 1 9 Gardenia Ave., Long Beach 1 , Calif. Representatives throughout the World For further information, circle number 90 A on Readers' Service Card, page 135 A
90 A
INDUSTRIAL A N D ENGINEERING CHEMISTRY
Lift trucks pick up empty, collapsed containers at outdoor storage points at Carbide's South Charleston, W . Va., plant, and carry them to a unit for inflation, washing, and air drying
with heavy duly containers that hold a ton of materials. (Wood reinforced containers hold more.) These cartons can be thrown away, eliminating return shipping expenses. Collapsible rubber containers ("sealdbins'') are going over in a big way. Made by U . S. Rubber, these containers, reinforced with rayon cord, hold up to 5 tons of material. Some companies use them for handling carbon black. Du Pont loads the containers with dimethyl terephthalate and vinyl compounds; Carbide fills them with polyethylene. Recently the Army Transportation Corps made, as some have called it, '"the first major improvement in transportation of bulk fluids since development of the steel drum." It now has " T h e Rolling Fluid Transporter," which employs sealdbins as a component part. Each rubber cylinder (500-gallon sealdbins) is centered on axles, which are connected to a towing yoke. Several cylinders can be towed tandem fashion behind army equipment. A "transporter" and its 500gallon fuel load (they haul oil and
