MANUFACTURING METHOD OF FLOW PATH MEMBER, FLOW PATH MEMBER, LIQUID DISCHARGING HEAD, AND LIQUID DISCHARGING APPARATUS
First Claim
1. A manufacturing method of a flow path member which includes a flow path between a first member and a second member which are stacked together, the method comprising:
- a first step of welding the first member and the second member to each other at a first welding portion in a state in which pressure is applied in a stacking direction to the first member and the second member which are stacked to be in contact with each other; and
a second step of welding the first member and the second member to each other at a second welding portion of a different position from the first welding portion in a state in which a pressure is applied in the stacking direction to the first member and the second member,wherein in the second step, the pressure which is applied to the second welding portion is greater than the pressure which is applied to the second welding portion in the first step.
1 Assignment
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Accused Products
Abstract
A manufacturing method of a flow path member which includes a flow path between first and second members which are stacked together includes a first step of welding the first and second members to each other at a first welding portion in a state in which a pressure is applied in a stacking direction to the first and second members which are stacked to be in contact with each other, and a second step of welding the first and second members to each other in a state in which a greater pressure is applied in the stacking direction to the first and second members at a second welding portion of a different position from the first welding portion.
6 Citations
20 Claims
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1. A manufacturing method of a flow path member which includes a flow path between a first member and a second member which are stacked together, the method comprising:
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a first step of welding the first member and the second member to each other at a first welding portion in a state in which pressure is applied in a stacking direction to the first member and the second member which are stacked to be in contact with each other; and a second step of welding the first member and the second member to each other at a second welding portion of a different position from the first welding portion in a state in which a pressure is applied in the stacking direction to the first member and the second member, wherein in the second step, the pressure which is applied to the second welding portion is greater than the pressure which is applied to the second welding portion in the first step. - View Dependent Claims (2, 3, 4, 5, 6, 7, 8, 9, 10, 11, 12)
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13. A flow path member comprising:
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a first member; a second member which is stacked on the first member; a flow path which is defined by the first member and the second member; and a welding portion at which the first member and the second member are welded, wherein the welding portion includes a first welding portion and a second welding portion, wherein an overhang amount of the second welding portion is greater than an overhang amount of the first welding portion, and wherein the flow path member satisfies one of the following conditions (A) to (D). Condition (A);
The first member includes a thick portion and a thin portion, a distance of the first welding portion from the thick portion is relatively long, and a distance of the second welding portion from the thick portion is relatively short.Condition (B);
The first member includes a joint which communicates with the flow path in a state in which the joint protrudes from one surface, a distance of the first welding portion from the joint is relatively long, and a distance of the second welding portion from the joint is relatively short.Condition (C);
The second welding portion is positioned between a plurality of the first welding portions.Condition (D);
The first member includes a housing portion which houses a fixing member relating to fixing of the flow path member, a distance of the first welding portion from the housing portion is relatively long, and a distance of the second welding portion from the housing portion is relatively short. - View Dependent Claims (14, 15, 16, 17, 18, 19, 20)
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Specification