Title:
【発明の名称】現場交換できるフライトを持つスクリューとスクリュー胴部に交換できるフライティング区分を取付ける方法
Document Type and Number:
Japanese Patent JP2002531350
Kind Code:
A
Abstract:
A screw having a field replaceable flight. The screw includes a barrel and a helical flighting that is removably attached to the barrel by a plurality of brackets. The helical flighting includes a plurality of segments, each segment includes first and second opposing faces having an opening extending there though and side edges. The segments are positioned side by side to generally cooperatively form the flighting of the screw. At least one face of each segment includes raised bosses. The raised bosses project perpendicularly outwardly from the face of the segment to form a pocket within which the bracket is received. The segments are removably attached to the barrel by inserting a segment forming part of the flighting within the pocket and then removably fastening the segment within the pocket.
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Inventors:
Linker, Franklin, Gee
Ho, james, ell
Marna, Danual, A
Ho, james, ell
Marna, Danual, A
Application Number:
JP2000585155A
Publication Date:
September 24, 2002
Filing Date:
March 15, 1999
Export Citation:
Assignee:
Maumee, Research, And, Engineering, Incorporated
International Classes:
B21C37/26; B65G33/26; (IPC1-7): B65G33/26
Attorney, Agent or Firm:
Sanada Yuzo (2 outside)