Lightweight reinforced brake drum and method for making lightweight reinforced brake drum
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United States of America Patent
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Mar 11, 2003
Issued Date -
N/A
app pub date -
Jul 25, 1997
filing date -
Feb 28, 1996
priority date (Note) -
Expired
status (Latency Note)
Importance
Abstract
The invention provides a lightweight brake drum (10) having a lightweight, tubular inner member (14), a length of wire (16) wrapped around the inner member (14) and an outer shell (18). The inner member (14) and the outer shell (18) are made of a lightweight material. Typically, multiple layers of length of wire (16) are wrapped around the inner member (14) to support and inhibit expansion of the inner member (14). Since the length of wire (16) provides support against expansion, the inner member (14) and the outer shell (18) can be made of lightweight materials.
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