Method of removing filter bag

  • US 4,669,167 A
  • Filed: 10/29/1985
  • Issued: 06/02/1987
  • Est. Priority Date: 10/29/1985
  • Status: Expired due to Term
First Claim
Patent Images

1. A method for removing a filter bag from a filter housing, said bag including a flexible shape-retaining upper marginal ring portion and a filtering portion depending from said marginal portion, opposed handles connected to said marginal ring portion, said housing having an annular retaining part with said marginal ring portion being restrictively secured within said housing by said retaining part, said method of removing said bag from said housing includes the following steps:

  • (a) Grasping both said handles in one hand;

    (b) Urging said handles towards each other causing said marginal ring portion to flex at spaced locations thereby freeing a substantial portion of the marginal ring portion from said housing retaining part; and

    (c) Withdrawing said bag out of said housing while still grasping said handles.

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