Concealed Slide Fastener
AssigneeYKK Corporation
InventorGo Takani
Life of this patent
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Abstract
There is provided a concealed slide fastener. The slide fastener includes a pair of fastener tapes, a pair of fastener element rows, a slider, a box pin, a box body and an insert pin. The insert pin includes an insert portion configured to be inserted into a space of the box body and an engagement portion formed on a side surface of the insert portion, which faces the box pin and configured to be engaged with a lowermost one of the fastener elements of one of the fastener element rows which is close to the box pin. The length of the engagement portion is set to be at least twice an interval between the fastener elements.
Claims2
A concealed slide fastener comprising:
- a pair of fastener tapes;
- a pair of fastener element rows respectively provided on bent edges which are formed by bending opposing tape side edges of the pair of fastener tapes along a longitudinal direction thereof into substantially U-shape, the pair of fastener element rows each having a plurality of continuous fastener elements;
- a slider configured to insert the pair of fastener element rows therethrough and configured to engage and disengage the pair of fastener element rows with and from each other;
- a box pin and a box body which are provided at one end of one of the pair of fastener tapes in a longitudinal direction of the pair of fastener element rows;
- and
- an insert pin provided at one end of another of the pair of fastener tapes in the longitudinal direction of the pair of fastener element rows, the insert pin being insertable into the box body,
- wherein the insert pin comprises:
- an insert portion configured to be inserted into a space formed in the box body;
- and
- an engagement portion formed on a side surface of the insert portion, which faces the box pin and configured to be engaged with a lowermost one of the fastener elements of one of the fastener element rows which is close to the box pin, and
- wherein a length of the engagement portion is set to be at least twice an interval between adjacent two of the fastener elements.
Dependencies are inferred from the claim text.