| 摘要 |
A method for making a foam sheet having ventilation holes includes the steps of: (a) preparing first and second molds, each including lower and upper mold parts separably closed to each other so as to define first and second mold cavities for the first and second molds, respectively, and providing the second mold with a plurality of pins extending into the second mold cavity, the second mold cavity being larger than the first mold cavity; (b) placing a foamable blank into the first mold cavity; (c) foaming the blank in the first mold cavity; (d) placing the blank foamed in step (c) into the second mold cavity, and piercing the blank through the use of the pins; and (e) foaming the blank to form a foam product within the second mold cavity while being pierced by the pins.
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