Packaging bag with spout and method for producing packaging bag with spout
AssigneeZACROS Corporation
InventorsToshihiko Mori, Hiroshi Kuwabara, Naoto Fujikawa
Life of this patent
Estimating the term…
Abstract
A packaging bag with a spout including a container main body accommodating a content, and a spout member for pouring out the content inside the container main body. The spout member has a base portion attached to the container main body, and a spout tube portion having a flow channel through which the content is poured out formed therein. The container main body is made using a polyethylene film. The spout member is a polyethylene molded body.
Claims8
A method for producing a packaging bag with a spout including a container main body accommodating a content, and a spout member for pouring out the content inside the container main body,
- wherein the spout member has
- a base portion attached to the container main body, and
- a spout tube portion having a flow channel through which the content is poured out formed therein,
- wherein the container main body is made using a polyethylene film,
- wherein the spout member is a polyethylene molded body, and
- wherein the method comprises:
- a step of heating only a surface of the base portion in a circumferential direction to a temperature equal to or higher than a melting point of the polyethylene by bringing a heated mold into contact with a side surface of the base portion, and
- a step of heat sealing side surfaces of the base portion and the container main body by bringing a mold with a surface temperature set between 120° C. and 220° C. into contact with the base portion and the container main body in a state of inserting the heated base portion into the container main body.
Dependencies are inferred from the claim text.