(0)B21G:0/0:
IPC6
SECTION B - PERFORMING OPERATIONS; TRANSPORTING
MAKING NEEDLES, PINS, OR NAILS
B21G
1/1
B 21 G
MAKING NEEDLES, PINS, OR NAILS
1
/
00
Making needles used for performing operations
(forming heads on pin-like needles
B 21 G 3/12
; making U-shaped hairpins
B 21 G 7/04
)
Note
Group
B 21 G 1/12
takes precedence over groups
B 21 G 1/02
to
B 21 G 1/10
.
1
/
02
•
of needles with eyes, e.g. sewing-needles, sewing-awls
1
/
04
•
•
of needles specially adapted for use in machines or tools
1
/
06
•
of needles with hook or barb, e.g. crochet hooks
1
/
08
•
of hollow needles or needles with hollow end, e.g. hypodermic needles, larding-needles (
B 21 G 1/10
takes precedence)
1
/
10
•
equipped with locking means for the material to be drawn through, e.g. for repairing tubeless tyres
1
/
12
•
Securing, cleaning-off burrs, reconditioning, polishing, grinding
3
/
00
Making pins, nails, or the like
(of pins with individual caps
B 21 G 5/00
; of U-like shape
B 21 G 7/00
; of split-pins
B 21 G 7/08
)
[2]
3
/
02
•
of pins of the kind used in the tailoring trade or the household
3
/
04
•
•
with locking or shielding device for the pin point, e.g. safety-pins
3
/
06
•
of nails with shoulders
3
/
08
•
of nails with head and two or more shanks or split shanks
3
/
10
•
of undulated nails or pins
3
/
12
•
Upsetting; Forming heads
3
/
14
•
Reducing diameter of parts otherwise than by rolling
3
/
16
•
Pointing, with or without cutting
3
/
18
•
by operations not restricted to one of the groups
B 21 G 3/12
to
B 21 G 3/16
(
B 21 G 3/06
to
B 21 G 3/10
take precedence)
3
/
20
•
•
from wire of indefinite length (by rolling
B 21 G 3/30
)
3
/
22
•
•
•
in pairs arranged head to head
3
/
24
•
•
•
by simultaneously forming the head of one nail and the adjacent point of another
3
/
26
•
•
by cutting from strip or sheet material
3
/
28
•
•
by forging or pressing
3
/
30
•
•
by rolling
3
/
32
•
Feeding material to be worked to nail or pin making machines
5
/
00
Making pins or nails with attached caps or with coated heads
5
/
02
•
of drawing-pins or pins of drawing-pin type
7
/
00
Making pins of U-like shape or split-pins
(of paper fasteners or staples
B 21 D 53/46
,
B 21 F 45/16
)
7
/
02
•
of U-like shape
7
/
04
•
•
of hairpins
7
/
06
•
•
•
of undulated hairpins
7
/
08
•
of split-pins, e.g. cotter-pins
