Dust bag for use in a vacuum cleaner

• US 4,539,027 A
• Filed: 09/26/1983
• Issued: 09/03/1985
• Est. Priority Date: 09/29/1982
• Status: Expired due to Fees

• Current Assignee: OY W Rosenlew AB, Raupak OY
• Original Assignee: Raupak OY
• Inventors: Fornas, Mikael, Lehto, Altti, Sipila, Raimo
• Primary Examiner(s): LACEY, DAVID LYNN
• Application Number:
  US06/535,589
• Time in Patent Office: 708 Days
• Field of Search: 55/374, 55/378, 55/381, 55/DIG. 2, 15/347, 15/DIG. 8, 383/13, 383/24, 383/29, 383/34, 493/264
• US Class Current: 55/378
• CPC Class Codes: A47L 9/1436 Connecting plates, e.g. collars, end closures
• CPC Class Codes: Y10S 55/02 Vacuum cleaner bags

Abstract

A general purpose dust bag for a vacuum cleaner adaptable to various vacuum cleaners. According to the invention, the external surface of the dust bag'"'"'s end (4) adjacent to its mouth (2) is provided with an attachment device (7), such as a strip of paper 24 glued to the dust bag, the external surface of said strip 24 having thereon a permanent adhesive for securing a desired cassette plate to said bag.

Claims

1. A dust bag for use in a vacuum cleaner, said dust bag comprising an actual bag portion (1) and a mouth (2), said bag portion being made of an air-permeable material, the bag being installable in the vacuum chamber (3) of a vacuum cleaner with the bag portion'"'"'s end (4) adjacent to said mouth fitted pressure-tightly against a coupling (6) of a dust tube (5) leading to said vacuum chamber, the mouth in communication with said dust tube, wherein the external surface of the dust bag'"'"'s end (4) adjacent to its mouth (2) is provided with attachment means comprising an adhesive on a portion of the external surface thereof for securing said end of the dust bag to a desired cassette plate (8), for installing the dust bag in a desired vacuum cleaner;

and wherein said adhesive is overlaid with a protective paper positioned and arranged so as to be removed from the surface thereof, said paper being removed from said adhesive by the user prior to securing said dust bag end to the cassette plate.

2. A dust bag according to claim 1, wherein said external surface of the dust bag adjacent its mouth is defined by a strip of paper glued to the end of the dust bag, the external surface of said strip being applied with said adhesive.

3. A disposable dust container universally adapted to fit vacuum cleaners of the type having a vacuum chamber, an inlet to said chamber for dust-laden air, a cassette plate adapted to fit around said inlet and having an aperture for the passage of the dust-laden air, and a dust container positioned in said chamber in adjoining relation to said cassette plate and in communication with said aperture;

said dust container comprising a bag of substantially dust-tight but air-permeable material adapted to be disposed within said vacuum cleaner, said bag having an opening therein for the passage of the dust-laden air into said bag; and

means for attaching said bag to a cassette plate having an aperture for the passage of air;

said attaching means comprising at least a sheet of material covering the opening in said bag which has an aperture corresponding to an aperture in a cassette plate, said sheet of material having a permanent adhesive on the external surface thereof for attaching and securing said bag to said cassette plate.

4. A disposable dust bag as claimed in claim 3 in which the sheet of material having the adhesive thereon is covered with a sheet of protective paper positioned and arranged so as to be removed from the surface of the adhesive and which is removed prior to the bag being attached to a cassette plate.