A discharge container includes a container body made of metal having an opening, and a valve assembly fixed to the opening of the container body. The container body has a cylindrical barrel portion, a cylindrical neck portion having a diameter smaller than the barrel portion, and a bead portion form
A discharge container includes a container body made of metal having an opening, and a valve assembly fixed to the opening of the container body. The container body has a cylindrical barrel portion, a cylindrical neck portion having a diameter smaller than the barrel portion, and a bead portion formed on top of the neck portion. The opening has a cylindrical portion and the bead portion formed above the cylindrical portion. The valve assembly is equipped with a plug portion inserted into the opening, a flange portion which is provided above on the bead portion, a valve structure which opens and closes a pathway of a content and is fixed to the plug portion, an O-ring provided on an outer surface of the plug portion, and a cover cap fixing the valve assembly to the container body.
대표청구항▼
1. A discharge container, comprising; a container body made of metal having an opening, anda valve assembly fixed to the opening of the container body,wherein the container body has a cylindrical barrel portion, a cylindrical neck portion having a diameter smaller than the barrel portion, and a bead
1. A discharge container, comprising; a container body made of metal having an opening, anda valve assembly fixed to the opening of the container body,wherein the container body has a cylindrical barrel portion, a cylindrical neck portion having a diameter smaller than the barrel portion, and a bead portion formed on top of the neck portion,wherein the opening has a cylindrical portion and the bead portion formed above the cylindrical portion,wherein the valve assembly is equipped with a plug portion inserted into the opening, a flange portion which is provided above on the bead portion, a valve structure which opens and closes a pathway of a content and is fixed to the plug portion, an O-ring provided on an outer surface of the plug portion, and a cover cap fixing the valve assembly to the container body,wherein on the outer surface of the plug portion, an annular recessed portion for holding the O-ring is formed,wherein the cover cap has an upper portion covering the plug portion and the valve structure, and a plastically deformable portion fixed to the bead portion by deforming in a central direction, andwherein the O-ring contacts with a part of the cylindrical portion lower than the plastically deformable portion and seals a gap between the container body and the plug portion. 2. A discharge container according to claim 1, wherein the valve assembly is equipped with a valve holder which retains a plurality of valve structures, andwherein the plug portion is formed on an outer surface of the valve holder. 3. A discharge container according to claim 1, wherein the valve structure is housed in a housing configuring the pathway, and the valve structure is united with the housing by a cap covering the housing, and wherein the housing is fixed to the plug portion. 4. A discharge container according to claim 1, wherein the valve structure is housed in a penetrating hole of the plug portion configuring the pathway. 5. A discharge container according to claim 1, comprising: a pouch housed in the container body, anda joint member connecting the pouch and the valve assembly, wherein the joint member has a tubular valve connecting portion fixed to the valve assembly;a tubular pouch fixing portion concentrically provided on a lower end of the valve connecting portion, fixed to the an opening of the pouch;a guiding portion extending to a bottom portion of the pouch from a lower end of the pouch fixing portion, guiding the content into the pouch fixing portion from the pouch, wherein the guiding portion has a main body extending in vertical direction;a communicating portion provided on an upper end of the main body, communicating a surface of the main body with a center hole of the pouch fixing portion; anda projecting portion projecting from the main body;wherein the projecting portion is equipped with at least two main projections formed on a concentrical line and formed apart in vertical direction, and a sub projection provided between the main projections parted in vertical direction and provided as not to intersect with either main projections. 6. A discharge container according to claim 5, wherein a channel is formed on a foot of the main projection in parallel with the main projection. 7. A discharge container according to claim 5, wherein the main projection is projected perpendicular to the surface of the pouch, and the sub projection is projected parallel to the surface of the pouch. 8. A discharge container according to claim 5, wherein the sub projection is equipped with a projection projecting perpendicular to the surface of the pouch. 9. A discharge container according to claim 5, further comprising a bottom portion having a circular plate shape is formed on the lower end of the main body. 10. A discharge container according to claim 1, wherein the valve assembly is equipped with a valve holder having the plug portion retaining the valve structure which is received into the opening of the container body, and a flange portion arranged on an upper end of the opening of the container body,wherein the cover cap covers the valve holder and fixes the valve holder to the container body, andwherein a portion covering the valve holder of the cover cap is formed with a penetrating hole. 11. A method for manufacturing of discharge container from claim 1, comprising: bringing the O-ring into contact with the cylindrical portion by inserting the plug portion of the valve assembly into the container body,fixing the valve assembly to the container body by plastically deforming a lower portion of the cover cap of the valve assembly with clinch claws depressing in center direction, andat the same time, controlling an outer diameter of the cylindrical portion of the container body with tips of the clinch claw.
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