Hollow needle for tag attacher
First Claim
1. A hollow needle for tag attachers, comprising a blade made by press working of a thin metal plate and a shank of a synthetic resin integrally secured at a rear end part of the blade;
- the blade including a front end part formed with an opening and having a point, and an intermediate part formed with a slit in a side wall thereof, the slit in the intermediate part being connected to the opening of the front end part;
the front end part further having in a middle part thereof a semicircular shape in cross section, the front end part being formed in an outer surface portion thereof on a side opposite the opening with a resistance reducing part provided by partly depressing an outer periphery thereof.
1 Assignment
0 Petitions
Accused Products
Abstract
A hollow needle for tag attachers, which comprises a blade (2) made by press working of a thin metal plate and a shank (3) of a synthetic resin integrally secured at a rear end part of the blade (2), wherein the blade (2) includes a front end part (2a) which has in a middle part thereof a semicircular shape in section and is formed in an outer surface portion thereof with a resistance reducing part (4) provided by partly depressing the outer periphery thereof, whereby the area of contact of a front end part of the hollow needle with an object partly through which the needle is applied in use is reduced and the needle has a desirable characteristic such that it can be applied straight in use.
45 Citations
12 Claims
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1. A hollow needle for tag attachers, comprising a blade made by press working of a thin metal plate and a shank of a synthetic resin integrally secured at a rear end part of the blade;
- the blade including a front end part formed with an opening and having a point, and an intermediate part formed with a slit in a side wall thereof, the slit in the intermediate part being connected to the opening of the front end part;
the front end part further having in a middle part thereof a semicircular shape in cross section, the front end part being formed in an outer surface portion thereof on a side opposite the opening with a resistance reducing part provided by partly depressing an outer periphery thereof. - View Dependent Claims (2, 3, 4, 5, 6)
- the blade including a front end part formed with an opening and having a point, and an intermediate part formed with a slit in a side wall thereof, the slit in the intermediate part being connected to the opening of the front end part;
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7. A hollow needle for tag attachers, comprising:
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a blade, made by press working of a thin metal plate, the blade including a front end part and a fixing part, said front end part having a point, a backside, a front side and an opening in said front side with a concave cross section, said back side of the front end part having a cross section which is concave with a radius R1 at the most forward part of said front end part, said cross section of said back side becoming convex with a radius R3 toward the rear of said front end part, and said backside having a resistance reducing part provided by a depression in the backside; and a shank of a synthetic resin integrally secured at said fixing part of the blade. - View Dependent Claims (8, 9, 10, 11, 12)
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Specification