Invention Grant
US09045249B2 Synthetic resin container having pressure reducing/absorbing capability in the bottom 有权
在底部具有减压/吸收能力的合成树脂容器

Synthetic resin container having pressure reducing/absorbing capability in the bottom
Abstract:
A synthetic resin container with a bottom structure in which forms, in the bottom portion thereof, an outer circumferential wall that is continuing from the body portion, an annular leg portion inclusive of a grounding portion and an inner circumferential wall, and a raised bottom portion positioned over the grounding portion on the inside of the inner circumferential wall of the leg portion. The raised bottom portion protrudes downward beyond the root portion where the leg portion is continues to the inner circumferential wall, a plurality of arcuate protuberances are formed in a spiral shape heading from the outer edge of the central portion of the raised bottom portion toward the outer circumferential side, and arcuate dents are formed among the arcuate protuberances that neighbor each other.
Public/Granted literature
Information query
Patent Agency Ranking
0/0