Patent US4290706A successfully refreshed from Google Patents.
US4290706A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Agitator for cylindrical containes filled with paint or the like
Assignee: Kurt Vogelsang GmbH
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Filing: 1980-01-30
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Granted: 1981-09-22
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Expires: 2000-01-30
Abstract
Abstract Cylindrical containers for paint or the like of the type having a hollow container body, a cap, a brush attached to the cap, and an agitator for mixing the contents of the container is improved by constructing the agitator as a tubular hollow member that is mounted within the container so as to surround the brush attached to the cap and be axially displaceable relative thereto, the agitator member having ribs that are fashioned in the manner of blades of a fan wheel and are uniformly distributed about the periphery of the agitator member with its outer edges located on an imaginary cylinder, the diameter of which is slightly smaller than the inner diameter of the container body. According to preferred embodiments, the ribs of the agitator can either be twisted helically with respect to the longitudinal axis of the hollow member or can be straight blade vanes inclined at an angle to the longitudinal axis of the agitator. According to a particularly advantageous embodiment, the axial length of the outer edges located on the imaginary cylinder are longer than the length of the tube so that the leading edges of the ribs extend inwardly at an angle with respect to the longitudinal axis from the outer edges to the hollow tube, thereby only providing localized points at the junction of the outer edges and leading edges where contacts can occur with the paint container, and the agitator cannot become stuck to the container bottom after a relatively long resting period thereon.
Inventors
- 👤 Rudolf H. Wandl
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-27 19:17
CPC Classifications
B; B44; B44D; B44D3/00; B44D3/06; B01; B01F; B01F33/00; B01F33/50; B01F33/501; B01F33/5011; A; A45; A45D; A45D34/00; A45D34/04; A45D34/042; A45D34/045; B01F33/25; B01F33/253; B01F35/00; B01F35/30; B01F35/32; B01F35/32005; B01F35/3202; B01F35/32021; B44D3/08; B44D3/12; B44D3/121; B65; B65D; B65D51/00; B65D51/24; B65D51/32; A45D2200/00; A45D2200/05; A45D2200/058
Claims Analysis
Total Claims: 11
Claim 1
Independent Claim
128 words
Cylindrical container for paint or the like, comprising a hollow container body, a cap, a brush attached to the cap, and an agitator constructed as a tubular hollow member guided in the container in the axial direction of the latter, surrounding said brush attached to the cap, and having radially outwardly projecting ribs, characterized in that the ribs are fashioned in the manner of blades of a fan wheel and are uniformly distributed about the periphery of the hollow member, wherein the outer edges of the ribs are located on an imaginary cylinder, the diameter of which is slightly smaller than the inner diameter of the container body, and also characterized in that the ribs are twisted helically with respect to the longitudinal axis of the hollow member.
Claim 2
Dependent Claim
128 words
Cylindrical container for paint or the like, comprising a hollow container body, a cap, a brush attached to the cap, and an agitator constructed as a tubular hollow member guided in the container in the axial direction of the latter, surrounding said brush attached to the cap, and having radially outwardly projecting ribs, characterized in that the ribs are fashioned in the manner of blades of a fan wheel and are uniformly distributed about the periphery of the hollow member, wherein the outer edges of the ribs are located on an imaginary cylinder, the diameter of which is slightly smaller than the inner diameter of the container body, and also characterized in that the ribs are twisted helically with respect to the longitudinal axis of the hollow member.
Claim 3
Dependent Claim
153 words
Cylindrical container for paint or the like, comprising a hollow container body, a cap, a brush attached to the cap, and an agitator constructed as a tubular hollow member guided in the container in the axial direction of the latter, surrounding said brush attached to the cap, and having radially outwardly projecting ribs, characterized in that the ribs are fashioned in the manner of blades of a fan wheel and are uniformly distributed about the periphery of the hollow member, wherein the outer edges of the ribs are located on an imaginary cylinder, the diameter of which is slightly smaller than the inner diameter of the container body, and also characterized in that four ribs are provided, each rib having two leading sides one on each end thereof, said two leading sides being mutually offset in the peripheral direction, but extending perpendicularly to a tangent placed on the outer diameter of the tube.
Claim 4
Dependent Claim
153 words
Cylindrical container for paint or the like, comprising a hollow container body, a cap, a brush attached to the cap, and an agitator constructed as a tubular hollow member guided in the container in the axial direction of the latter, surrounding said brush attached to the cap, and having radially outwardly projecting ribs, characterized in that the ribs are fashioned in the manner of blades of a fan wheel and are uniformly distributed about the periphery of the hollow member, wherein the outer edges of the ribs are located on an imaginary cylinder, the diameter of which is slightly smaller than the inner diameter of the container body, and also characterized in that four ribs are provided, each rib having two leading sides one on each end thereof, said two leading sides being mutually offset in the peripheral direction, but extending perpendicularly to a tangent placed on the outer diameter of the tube.
Claim 5
Dependent Claim
26 words
Agitator according to claim 1, characterized in that the ribs have leading sides, each leading side being in alignment with an end face of the tube.
Claim 6
Dependent Claim
40 words
Agitator according to one of claims 1 or 2 or 3, characterized in that the length of the ribs corresponds to approximately one-third to one-half of the length available in the hollow container for the axial movement of the agitator.
Claim 7
Dependent Claim
18 words
Agitator according to one of claims 1-2, characterized in that the tube is formed unitarily with the ribs.
Claim 8
Dependent Claim
25 words
Agitator according to one of claims 2, characterized in that the leading sides respectively, each are in alignment with the end face of the tube.
Claim 9
Dependent Claim
170 words
Cylinder container for paint or the like, comprising a hollow container body, a cap, a brush attached to the cap, and an agitator constructed as a tubular hollow member guided in the container in the axial direction of the latter, surrounding said brush attached to the cap, and having radially outwardly projecting ribs, characterized in that the ribs are fashioned in the manner of blades of a fan wheel and are uniformly distributed about the periphery of the hollow member, wherein the outer edges of the ribs are located on an imaginary cylinder, the diameter of which is slightly smaller than the inner diameter of the container body, and also characterized in that the ribs have leading edges at opposite ends thereof, and wherein the axial length of the outer edges located on the imaginary cylinder is longer than the length of the tube, and the leading edges of the ribs extend inwardly at an angle with respect to the longitudinal axis from the outer edges to the hollow tube.
Claim 10
Dependent Claim
170 words
Cylinder container for paint or the like, comprising a hollow container body, a cap, a brush attached to the cap, and an agitator constructed as a tubular hollow member guided in the container in the axial direction of the latter, surrounding said brush attached to the cap, and having radially outwardly projecting ribs, characterized in that the ribs are fashioned in the manner of blades of a fan wheel and are uniformly distributed about the periphery of the hollow member, wherein the outer edges of the ribs are located on an imaginary cylinder, the diameter of which is slightly smaller than the inner diameter of the container body, and also characterized in that the ribs have leading edges at opposite ends thereof, and wherein the axial length of the outer edges located on the imaginary cylinder is longer than the length of the tube, and the leading edges of the ribs extend inwardly at an angle with respect to the longitudinal axis from the outer edges to the hollow tube.
Claim 11
Dependent Claim
34 words
Agitator according to claim 7, characterized in that the ribs are fashioned as straight blade vanes, but are arranged on the hollow tube inclined at an angle to the longitudinal axis of the agitator.
References Cited (Backward Citations)
US2983946A
Cited
US2904808A
Cited
US3085281A
Cited
US3336624A
Cited
US3606276A
Cited
DE2127748A1
Cited
US3738760A
Cited
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1984-09-21 | 1985-03-23 | 1985-09-22 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1988-09-21 | 1989-03-23 | 1989-09-22 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1992-09-21 | 1993-03-23 | 1993-09-22 | $7700.00 | Window Closed / Lapsed |