Patent ID: 8899835
Filing Date: 2014-12-02
Classification: B65D,Y10T

Abstract:
1. A self supporting bladder configured for use in retrofitting a tank, the bladder comprising: a bladder wall having an internal volume; and a rib grid attached to said bladder wall; wherein, said bladder wall and said rib grid are both configured to be flexible for when said bladder and said rib grid, in combination, are is inserted into said tank; and wherein, once within a tank, said rib grid is filled with a fill material wherein said filling imparts a new shape on said bladder wall and makes said bladder self supporting; and an insert, said insert having an insert wall and an internal volume smaller than said internal volume of said bladder wall; and wherein said insert wall is attached to said bladder wall through a fastener mounted external to said insert wall and a complimentary fastener mounted internal to said bladder wall.