Patent ID: 8920150
Filing Date: 2014-12-30
Classification: B29C

Abstract:
1. A pin having a light guide for an injection mold, comprising: an outer sleeve having a hollow portion; an inner sleeve fixed to the hollow portion of the outer sleeve; a bundle sleeve fixed to a hollow portion of the inner sleeve; and a bundle fiber fixed to a hollow portion of the bundle sleeve, wherein a leading end portion of the bundle sleeve has a substantially cone-shaped caulked portion, a portion of the hollow portion of the inner sleeve which is brought into contact with the cone-shaped caulked portion of the bundle sleeve has a tapered shape that coincides with the shape of the portion of the bundle sleeve, a shoulder portion is formed at a rear end portion of the hollow portion of the outer sleeve, a rear end of the inner sleeve is engaged with the shoulder portion, and leading ends of the outer sleeve, the inner sleeve, the bundle sleeve and the bundle fiber are substantially arranged on a same plane.