Abstract
A mold set for manufacturing a straw having a bellows structure is provided. The straw includes an aliphatic polyester-based resin. In the mold set, each peak portion of an inner mold has a top portion having a rounded surface, and each peak portion of an outer mold has a top portion having a rounded surface. In an LD direction, each peak portion of the inner mold has a length of 1.50 mm to 1.80 mm, and each peak portion of the outer mold has a length of 1.50 mm to 1.80 mm.
Full Text
What is claimed is:
A mold set for manufacturing a straw having a bellows structure is provided. The straw includes an aliphatic polyester-based resin. In the mold set, each peak portion of an inner mold has a top portion having a rounded surface, and each peak portion of an outer mold has a top portion having a rounded surface. In an LD direction, each peak portion of the inner mold has a length of 1.50 mm to 1.80 mm, and each peak portion of the outer mold has a length of 1.50 mm to 1.80 mm.
Timeline
Filed
03/26/2026Published
07/30/2026Granted
Not AvailableIPC Codes(5)
B29C 33/42:characterised by the shape of the moulding surface, e.g. ribs or grooves
A47G 21/18:Drinking straws or the like (for therapeutic purposes A61J 15/00)
B29C 53/30:of tubes (by blow-moulding B29C 49/00)