Now up for your consideration is a Vintage SandCasting Flask Clamp Made By E.E. Josef - Buffalo NY - Pat Apr. 8, 1903! This clamp was invented by Josef and hereceived a patent for the device. Aflask clamp holds the two halves of a mold together. Moisture in the moldingsand turns to steam when the molten metal hits it. The steam can cause the tophalf to lift slightly! A flask clamp keeps the two halves from separating. This antique clamp is in good workingconditio...n and will be a great addition to your collection. It is from an old cast iron pipe foundry! Don’t miss it! (Please see the Photos) Thanks for looking. Be sure and check all the shipping options and choose theone that is best for you. Please see myother listings and contact me to determine the combined shipping rate onmultiple items. GoodLuck and Happy Bidding!