Patent ID: 9149964
Filing Date: 2015-10-06
Classification: B29C,B29D,B29L,G02B

Abstract:
1. A molding apparatus comprising: a supporting portion that supports an article to be molded; a transfer member that is contactably provided for the article to be molded supported by the supporting portion and includes a transfer shape formed equally to or reversely to an aspherical lens portion; a moving apparatus that moves at least one of the supporting portion and the transfer member so as to separate the transfer member from the article to be molded supported by the supporting portion and relatively move and contact the transfer member with another position of the article to be molded; a hardening apparatus that contacts at least the transfer member of the article to be molded and hardens a portion transformed to the transfer shape; and a control portion configured to control at least the moving apparatus and the hardening apparatus so that the transfer shape is transferred more than once to the article to be molded and there is an initial pitch distance between positions for the transfer member to contact the article to be molded and a subsequent pitch distance changed in accordance with shrinkage of the article to be molded, the subsequent pitch distance being a distance between one position for transferring the transfer shape to the article to be molded and another position for transferring the transfer shape to the article to be molded that is adjacent to said one position.