Requirements for Unity of Application - Japan Patent Office
Requirements for Unity of Application - Japan Patent Office
Requirements for Unity of Application - Japan Patent Office
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[Example 7]<br />
[Title <strong>of</strong> the Invention]<br />
A part <strong>of</strong> male and female couplers comprising a quick releasing coupler<br />
[Claims]<br />
1. A part <strong>of</strong> the female coupler that composes a quick releasing coupler with a part <strong>of</strong> male<br />
coupler (12), comprising a roughly circular external cylinder (13) with a space (14) extended<br />
in axial direction <strong>for</strong> accepting a part <strong>of</strong> male coupler (12) in one <strong>of</strong> the edges, a lid to<br />
compose inside pass (16), a slidable poppet valve (39) included in the inside pass, a guiding<br />
part (41) <strong>for</strong>med next to the open space around outside <strong>of</strong> said poppet valve.<br />
(See Figure 1)<br />
2. A part <strong>of</strong> a male coupler to compose a quick releasing coupler with a part <strong>of</strong> a female<br />
coupler which comprises: having space extending in axial direction (18) and a circular<br />
external cylinder with spherical seat (71) <strong>for</strong>med in the edge <strong>of</strong> said space, <strong>for</strong>ming an inside<br />
pass in the space by fixing the cap body (20) and a cone with a head (57) next to the<br />
spherical seat (71) by fixing the cap body (20), and having a spring (72) to press a spherical<br />
valve (19) that is inserted in the cap body (20). (See Figure 2)<br />
[Excerpt from Detailed Description <strong>of</strong> the Invention and Drawings]<br />
Both inventions are concerned with a female coupler and a male coupler in a quick<br />
releasing coupler. A female and male coupler only including a check valve or a quick releasing<br />
coupler combining them is publicly known as this kind <strong>of</strong> coupler. However, it has a fault <strong>of</strong><br />
leaking fluid from the coupler because <strong>of</strong> the delay <strong>of</strong> activation in the check valve when the<br />
connection is released.<br />
Figure 1 Figure 2<br />
[Explanation]<br />
The technical fields <strong>of</strong> the specified invention (claim 1) and related invention (claim 2) are<br />
female coupler and male coupler <strong>of</strong> quick releasing coupler. Since a female coupler and a<br />
male coupler are used together, the technical fields <strong>of</strong> both inventions are technically and<br />
directly related. The industrial fields <strong>of</strong> application are the same.<br />
In addition, both inventions solve the same problem to be solved: to prevent fluid leaking<br />
from the coupler when the connection is released.<br />
[Concerned Section]<br />
<strong>Patent</strong> Law Section 37(i)<br />
29