Patent ID: 7802691
Filing Date: 2010-09-28
Classification: B65D,Y10S

Abstract:
1. A plastic collapsible bottle with accordion-like arranged bellows ridges that has walls created at least in its part as an accordion-like arranged structure containing system of adjoining horizontally running bellows ridges, each of which is created from two opposite surfaces, where both upper and lower surfaces of at least some bellows ridges are of arched shape, convexity of which is faced against the adjacent surface, wherein only the one of two surfaces on at least one bellows ridge, and merely always on the upper surfaces or on the lower surfaces are provided with a plurality of spaced, ridge embossed or stamped stiffenings, the ridge embossed or stamped stiffenings arranged in horizontal direction on the upper surfaces or the lower surfaces, the ridge embossed or stamped stiffenings creating a difference in strength of the upper surfaces compared to the lower surfaces, wherein a continuity of the horizontally arranged bellows ridges and the ridge embossed or stamped stiffenings are interrupted in horizontal direction by the system of vertical stamped stiffenings, containing at least two vertical stamped stiffenings, wherein the system of vertical stamped stiffenings runs across the whole area of the accordion-like bellows ridges, wherein the vertical stamped stiffenings create recesses of the bellows ridges on the bottle, reaching at least to the level of smaller circumferential diameter of the bellows ridges, the walls of the recesses created in the bellows ridges form an angle α greater than 90°, the vertical stamped stiffenings having smooth rounded transitions without sharp edges, wherein an arched shape haunch of the vertical stamped stiffening is created in the direction of a neck and a bottom of the bottle.