Patent ID: 6854969

Claim:
A honeycomb structure molding apparatus for extrusion molding a honeycomb structure comprising a spinneret, and a press plate for fixing the spinneret, wherein the spinneret is provided with a back pore part for introducing a molding material and a slit part for extruding the molding material and comprises an inner side part and an outer peripheral part, the inner side part is protruded to the downstream side to form a level difference part between the inner side part and the outer peripheral part, wherein the press plate is opened opposing the inner side part of the spinneret and presses the downstream side of the outer peripheral part of the spinneret through a gap part formed between the spinneret and the press plate; said press plate having a flexible portion as adjustable means located inside the press plate facing said outer peripheral part of the spinneret and said flexible portion being capable of movement toward the outer peripheral part of the spinneret to close the width of the gap of the gap part upon movement of the flexible portion.