Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21F—WORKING OR PROCESSING OF METAL WIRE
B21F45/00—Wire-working in the manufacture of other particular articles
B21F45/16—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes
B21F45/26—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of buttons
B21F45/28—Wire-working in the manufacture of other particular articles of devices for fastening or securing purposes of buttons of "patent-fastener" or press-button type
B—PERFORMING OPERATIONS; TRANSPORTING
B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
B21F—WORKING OR PROCESSING OF METAL WIRE
B21F45/00—Wire-working in the manufacture of other particular articles
Landscapes
Engineering & Computer Science
(AREA)
Mechanical Engineering
(AREA)
Slide Fasteners, Snap Fasteners, And Hook Fasteners
(AREA)