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Filing date
Publication date
Application filedfiledCritical
Priority to JP1988121614UpriorityCriticalpatent/JPH069691Y2/ja
Priority to KR1019890013464Aprioritypatent/KR900004424A/ko
Publication of JPH0242715UpublicationCriticalpatent/JPH0242715U/ja
Priority to KR2019910021252Uprioritypatent/KR930004062Y1/ko
Application grantedgrantedCritical
Publication of JPH069691Y2publicationCriticalpatent/JPH069691Y2/ja
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21C—MANUFACTURE OF METAL SHEETS, WIRE, RODS, TUBES OR PROFILES, OTHERWISE THAN BY ROLLING; AUXILIARY OPERATIONS USED IN CONNECTION WITH METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL
B21C47/00—Winding-up, coiling or winding-off metal wire, metal band or other flexible metal material characterised by features relevant to metal processing only
B21C47/28—Drums or other coil-holders
B21C47/30—Drums or other coil-holders expansible or contractible
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Winding, Rewinding, Material Storage Devices
(AREA)
Storage Of Web-Like Or Filamentary Materials
(AREA)
