Partition block and method of manufacture
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United States of America Patent
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Apr 14, 1981
Grant Date -
N/A
app pub date -
Feb 21, 1979
filing date -
Feb 21, 1978
priority date (Note) -
Expired
status (Latency Note)
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Abstract
This invention relates to a partition block and method of manufacture. According to the invention a generally solid block or like component having a tool engaging recess is manufactured in apparatus comprising a mould box, recess forming means for forming a recess in a face of the block formed in the mould box and tamping means, the arrangement being such that tamping of a composition in the mould box is effected by the tamping means independently of the recess forming means.
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