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Innovative eco friendly traps for the control of
Pine Lepidoptera in urban and recreational places


Type of information: PATENTS

In this section, you can access to the latest technical information related to the PISA project topic.

Bowling pin and enclosing method thereof capable of preventing scratches on bowling pins and providing sharp and clear collision sound for entertainment effect

The present invention provides an enclosing method of bowling pin, which includes: placing a pin in a mold for injection molding machine; and performing plastic injection molding process to fully enclose the surface of the pin with plastic material so as to form a plastic layer; wherein, the material ingredients and relative ratio of the plastic material used in the plastic injection molding process include 80~60% of nylon and 20~40% of ion resin. The present invention utilizes a suitable ratio to mix the plastic material of nylon and ion resin and forms a plastic layer on the exterior of the pin to enhance structural strength, so as to prevent scratches on bowling pins and provide a sharp and clear collision sound for entertainment effect.

» Number: TW201938239A (A)

» Publication Date: 19//2/01/1


» Inventor: LI ZHONG-LIANG?[TW]

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