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专利名称：PNEUMATIC BULKY MATERIAL COLLECTOR
SYSTEM
发明人：BOON B,US申请号：US3747986D申请日：19711005公开号：US3747986A公开日：19730724
摘要：Unique laundry and bulky material, collector assembly and method in which thebulky material being air conveyed, is removed from the system utilizing in combination aplurality of inner arrangement of doors, intraactuated, so as to secure full closure of thesealing doors on every cycle and thus secure a constant vacuum or pressure in thepneumatic conveying system.
申请人：EASTERN CYCLONE IND INC,US
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