Molding construction and a molding method for a resin-molded product

A molding method for molding a resin-molded product (10), comprising the following steps:

• providing first and second molding dies (50, 51) openable and closable relative to each other, the first molding die (50) having a recess (55) in a surface (54) the first molding die (50) facing the second molding die (51);
• placing at least one insert (20) in the first molding die (50) so that the insert (20) is held in close contact with a corner of the recess (55);
• closing the first and second molding dies (50, 51) to define a filling space (60C) between a surface (62) of the second molding die (51) and a surface (46) of the insert (20);
• flowing molten resin along a flow path (X) into the filling space (60C) from a side where the recess (55) is located, thereby generating a pressing force component (f) by means of the flowing molten resin for presses the insert (20) against the recess (55) of the second molding die (51);
• and
• solidifying the resin to form a molded product (11).