Invention Grant
US07673660B2 Filling tubes with catalyst and/or other particulate 有权
用催化剂和/或其他颗粒填充管

Filling tubes with catalyst and/or other particulate
Abstract:
Particulate filling devices and methods are disclosed that utilize a swivel connector, a mounting surface connected to the swiveling connector, and several obstacles mounted on the mounting surface. The obstacles are positioned consecutively to form a helix-pattern.
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