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US 3,940,968 AGranted
Device for making hollow bodies
AssigneeFried. Krupp Gesellschaft mit beschrankter Haftung
InventorsHeinrich Hennes, Walter Sommer
Life of this patent
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Abstract
A device for making hollow bodies open at one end, by punching, drawing and/or ironing, in which the annular shaping tools which form the hollow body are arranged on a holding plate which is pivotable about an axis transverse to the axis of movement of the drawing mandrel and in spaced relationship to the latter.
Claims2
A device for making hollow bodies open at one end, especially by punching and deep drawing, which includes in combination:
- frame means provided with extension means, plate means for receiving and supporting annular tools for manufacutring the desired hollow body, connecting means connected to said plate means and pivotally journalled in said extension means, and actuating means operatively connected to said connecting means for pivoting said plate means with the annular tools thereon selectively from a first position in which the tools occupy their position of use to a second position for exchanging and repairing any one of the tools, and vice versa, said actuating means including a fluid operable cylinder-piston system for pivoting thereof and locking means for automatically locking said plate means in said first position, said locking means including pressure fluid operable cylinder-piston means for actuation thereof.
Dependencies are inferred from the claim text.