Patent ID: 8397932
Filing Date: 2013-03-19
Classification: B29B,B29C,B29D,B29K,B29L,B65D,Y10T

Abstract:
1. A plastic container comprising a body portion, a bottom portion and a mouth portion formed at an upper end of the body portion, wherein a wall forming at least said body portion and said bottom portion is a foamed region having a foamed layer and in said foamed region, foamed cells of a flat shape having an average long diameter of not larger than 400 μm and an average aspect ratio of not smaller than 6 as viewed in cross section along a maximum stretching direction, are oriented in the stretching direction and are distributed being overlapped one upon the other in a direction of thickness to thereby form said foamed layer, wherein a skin layer in which no foamed cell is distributed is formed on an outer surface of the wall in said foamed region, the skin layer and the foamed layer being formed integrally together without any interface that becomes a boundary between the two layers, wherein the outer surface of the wall in said foamed region is a smooth surface having a surface roughness Ra of not larger than 5 μm, and wherein the foamed region has a pearl-like appearance.