A heat insulation cap for hot runner molds

By setting an annular connecting protrusion and a heat insulation gap inside the heat insulation cap, static air insulation is used to solve the problem of temperature rise caused by heat transfer in the heat insulation cap, improve the heat insulation effect, prevent the fixed mold temperature from being too high, and improve the product quality.

CN224426318UActive Publication Date: 2026-06-30ERA CO LTD

Patent Information

Authority / Receiving Office
CN · China
Patent Type
Utility models(China)
Current Assignee / Owner
ERA CO LTD
Filing Date
2025-07-15
Publication Date
2026-06-30

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Abstract

This utility model provides a heat insulation cap for hot runner molds, belonging to the field of mold technology. It solves the problem of how to improve the heat insulation effect of the heat insulation cap. The heat insulation cap for hot runner molds includes a cap body with a discharge port on its bottom wall. The cap body has an annular connecting protrusion surrounding the discharge port, and a heat insulation gap is formed between the outer peripheral wall of the connecting protrusion and the inner peripheral wall of the cap body. This heat insulation cap for hot runner molds can improve its own heat insulation effect.
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