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 56]<br />
[Title <strong>of</strong> the Invention]<br />
Ready-mixed concrete transfer hose and the process <strong>of</strong> cleaning<br />
[Claims]<br />
1. A ready-mixed concrete transfer hose including a pumping tube (8) attached directly to<br />
the concrete hopper (2) and pressure-transfer hose (17) to be connected to the pumping<br />
tube,wherein the connecting pipe (10) is used to make the connection <strong>of</strong> the above hoses<br />
(8 and 17), and the connecting pipe having cock (11). (See Figures 1, 2 and 3)<br />
2. The process <strong>of</strong> cleaning ready-mixed concrete residue by shutting by means <strong>of</strong> placing a<br />
hydrophobic resilient material (18, 18a) at the end <strong>of</strong> the pressure-hose, severing the<br />
connection between the pumping tube (18) and pressure-transfer tube (17) and at the<br />
same time opening the cock (11) <strong>of</strong> the connection pipe (10). Following this<br />
processesimilar hydrophobic resilient material is sent out <strong>of</strong> the hopper by water-pressure,<br />
cleaning the inside <strong>of</strong> the pumping hose and the connection pipe. In the next step, shut <strong>of</strong>f<br />
the cock <strong>of</strong> the connecting tube, send the hydrophobic resilient material placed at the end<br />
<strong>of</strong> the pressure-hose down the inside by means <strong>of</strong> the water pressure.<br />
[Excerpt from Detail Description <strong>of</strong> the Invention and Drawings]<br />
This invention concerns the ready-mixed concrete transfer hoses and their cleaning<br />
process. The pumping tube and pressure-transfer hose are connected by means <strong>of</strong> connecting<br />
pipe having a cock, which can be opened or closed, thereby enabling the cleaning <strong>of</strong> the<br />
pumping tube alone or by sending hydrophobic resilient material down the pumping tube,<br />
connecting pipe and pressure-transfer hose to remove residues <strong>of</strong> ready-mixed concrete<br />
completely from all <strong>of</strong> the parts. Conventional transfer hoses lacked the capability to be<br />
completely cleaned because the pumping tube and pressure-transfer hose were directly<br />
connected. It was particularly difficult to clean the inside <strong>of</strong> the pumping tube.<br />
Figure 3<br />
Figure 1<br />
Figure 2<br />
Figure 4<br />
[Explanation]<br />
The related invention (Claim 2), the cleaning process is to be effected on the ready-mixed<br />
concrete transfer hoses and is to maintain the function to transfer the ready-mixed concrete<br />
transfer. There<strong>for</strong>e, the two inventions have the relationship <strong>of</strong> the product and the process <strong>of</strong><br />
handling this product.<br />
[Concerned Section]<br />
<strong>Patent</strong> Law Section 37(iii)<br />
98