Patent ID: 9707709
Date: 2017-07-18
CPC Classifications: B29C,Y10T

Claim:
1. A method comprising: (a) filling with a shot comprising a molten thermoplastic material a mold cavity of a molding apparatus, the shot comprising the molten thermoplastic material having a melt pressure that, upon injection into the mold cavity, exceeds a pre-injection pressure of the shot comprising the molten thermoplastic material; and, (b) while filling substantially the entire mold cavity with the shot comprising the molten thermoplastic material, maintaining the melt pressure substantially constant at less than 6000 psi, wherein: the thermoplastic material has a melt flow index of about 0.1 g/10 min to about 500 g/10 min, the molding apparatus comprising heated runners in fluid communication with the mold cavity.