US4718570A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Dispenser for pasty compositions
Assignee: Vita Zahnfabrik H Rauter GmbH and Co KG
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Filing: 1987-03-18
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Granted: 1988-01-12
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Expires: 2007-03-18
Abstract
Abstract A dispenser for pasty compositions, especially facing material in dental technology and the like, formed as a circular box (10) being closed by a cover (30) and having a bottom (17) and a wall (16). In the peripheral area of the box cavity there is arranged a packing member (11), closing an opening (32) formed in the cover (30) when the cover (30) is in closing position. The cover (30), being guided in an endless grove (36), can be turned on the box (10). Such a dispenser can be opened and closed with one hand while the other hand handles an instrument.
Inventors
- 👤 Horst Diener
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-11-07 14:55
CPC Classifications
B; B65; B65D; B65D47/00; B65D47/04; B65D47/20; B65D47/26; B65D47/261; B65D47/265; A; A61; A61C; A61C19/00
Claims Analysis
Total Claims: 30
Claim 1
Independent Claim
85 words
A dispenser for pasty compositions, especially facing material in dental technology and the like, comprising: a circular box being closed by a cover and having a bottom and a wall, characterized in that in the peripheral area of the box cavity there is arranged a packing member (11), covering an opening (32) formed in the cover (30) when the cover (30) is in the closing position, and that the cover (30), being guided in an endless groove (36), can be turned on the box (10).
Claim 2
Dependent Claim
85 words
A dispenser for pasty compositions, especially facing material in dental technology and the like, comprising: a circular box being closed by a cover and having a bottom and a wall, characterized in that in the peripheral area of the box cavity there is arranged a packing member (11), covering an opening (32) formed in the cover (30) when the cover (30) is in the closing position, and that the cover (30), being guided in an endless groove (36), can be turned on the box (10).
Claim 3
Dependent Claim
55 words
The dispenser of claim 1, wherein the outer circumference of the wall (16) of the box (10) and the inner circumference of the sidewall (33) of the cover (30) there are arranged an annular groove (36) and a projection (20), respectively, which annular groove and projection engage each other and serve as a cover guide.
Claim 4
Dependent Claim
41 words
The dispenser of claim 2, wherein the bottom (17) of the box (10) is surrounded at the underside by a protruding ring (19), and that the cover (30) comprises an upper peripheral area (34) engagable snug fit into the ring (19).
Claim 5
Dependent Claim
57 words
The dispenser of claim 2, wherein the box (10) is made of plastic, and in that both packing members (11, 12), with their surfaces arranged substantially at the level their surfaces arranged substantially at the level of the edge of the box wall (16), are molded as hollow elevations into the bottom (17) of the box (10).
Claim 6
Dependent Claim
59 words
The dispenser of claim 1 wherein the packing member (11) and the opening (32) are shaped as part of a circular ring, and the inner circumference of the packing member (11) is shaped as part of a circular ring arranged around a central circular packing member (12) surrounded by a cavity (13) shaped as part of a circular ring.
Claim 7
Dependent Claim
50 words
The dispenser of claim 5, wherein the box (10) is made of plastic, and in that both packing members (11, 12), with their surfaces arranged substantially at the level of the edge of the box wall (16), are molded as hollow elevations into the bottom (17) of the box (10).
Claim 8
Dependent Claim
32 words
The dispenser of claim 3, wherein the surfaces (14, 15) of the packing member (11), defining the ends of the cavity (13) extend radially with regard to the center of the box.
Claim 9
Dependent Claim
50 words
The dispenser of claim 7, wherein the box (10) is made of plastic, and in that both packing members (11, 12), with their surfaces arranged substantially at the level of the edge of the box wall (16), are molded as hollow elevations into the bottom (17) of the box (10).
Claim 10
Dependent Claim
41 words
The dispenser of claim 7, wherein the bottom (17) of the box (10) is surrounded at the underside by a protruding ring (19), and that the cover (30) comprises an upper peripheral area (34) engagable snug fit into the ring (19).
Claim 11
Dependent Claim
50 words
The dispenser of claim 1, wherein the box (10) is made of plastic, and in that both packing members (11, 12), with their surfaces arranged substantially at the level of the edge of the box wall (16), are molded as hollow elevations into the bottom (17) of the box (10).
Claim 12
Dependent Claim
41 words
The dispenser of claim 6, wherein the bottom (17) of the box (10) is surrounded at the underside by a protruding ring (19), and that the cover (30) comprises an upper peripheral area (34) engagable snug fit into the ring (19).
Claim 13
Dependent Claim
42 words
The dispenser of claim 1, wherein the bottom (17) of the box (10) is surrounded at the underside by a protruding ring (19), and that the cover (30) comprises an upper peripheral area (34) engagable in snug fit with the ring (19).
Claim 14
Dependent Claim
31 words
The dispenser of claim 1, wherein the cover (30) is formed as a cap, provided with a knuled ring (35) on the outer circumference of the sidewall (33) of the cap.
Claim 15
Dependent Claim
41 words
The dispenser of claim 13, wherein the bottom (17) of the box (10) is surrounded at the underside by a protruding ring (19), and that the cover (30) comprises an upper peripheral area (34) engagable snug fit into the ring (19).
Claim 16
Dependent Claim
57 words
The dispenser of claim 13, wherein at the outer circumference of the wall (16) of the box (10) and at the inner circumference of the sidewall (33) of the cover (30) there are arranged an annular groove (36) and a projection (20), respectively, which annular groove and projection engage each other and serve as a cover guide.
Claim 17
Dependent Claim
41 words
The dispenser of claim 15, wherein the bottom (17) of the box (10) is surrounded at the underside by a protruding ring (19), and that the cover (30) comprises an upper peripheral area (34) engagable snug fit into the ring (19).
Claim 18
Dependent Claim
50 words
The dispenser of claim 15, wherein the box (10) is made of plastic, and in that both packing members (11, 12), with their surfaces arranged substantially at the level of the edge of the box wall (16), are molded as hollow elevations into the bottom (17) of the box (10).
Claim 19
Dependent Claim
59 words
The dispenser of claim 15, wherein the packing member (11) and the opening (32) are shaped as part of a circular ring, and the inner circumference of the packing member (11) is shaped as part of a circular ring arranged around a central circular packing member (12) surrounded by a cavity (13) shaped as part of a circular ring.
Claim 20
Dependent Claim
50 words
The dispenser of claim 18, wherein the box (10) is made of plastic, and in that both packing members (11, 12), with their surfaces arranged substantially at the level of the edge of the box wall (16), are molded as hollow elevations into the bottom (17) of the box (10).
Claim 21
Dependent Claim
32 words
The dispenser of claim 18, wherein the surfaces (14, 15) of the packing member (11), defining the ends of the cavity (13), extend radially with regard to the center of the box.
Claim 22
Dependent Claim
50 words
The dispenser of claim 20, wherein the box (10) is made of plastic, and in that both packing members (11, 12), with their surfaces arranged substantially at the level of the edge of the box wall (16), are molded as hollow elevations into the bottom (17) of the box (10).
Claim 23
Dependent Claim
42 words
The dispenser of cla:m 20, wherein the bottom (17) of the box (10) is surrounded at the underside by a protruding ring (19), and that the cover (30) comprises an upper peripheral area (34) engagable in snug fit with the ring (19).
Claim 24
Dependent Claim
42 words
The dispenser of cla:m 20, wherein the bottom (17) of the box (10) is surrounded at the underside by a protruding ring (19), and that the cover (30) comprises an upper peripheral area (34) engagable in snug fit with the ring (19).
Claim 25
Dependent Claim
50 words
The dispenser of claim 13, wherein the box (10) is made of plastic, and in that both packing members (11, 13), with their surfaces arranged substantially at the level of the edge of the box wall (16), are molded as hollow elevations into the bottom (17) of the box (10).
Claim 26
Dependent Claim
41 words
The dispenser of claim 23, wherein the bottom (17) of the box (10) is surrounded at the underside by a protruding ring (19), and that the cover (30) comprises an upper peripheral area (34) engagable snug fit into the ring (19).
Claim 27
Dependent Claim
59 words
The dispenser of claim 13, wherein the packing member (11) and the opening 32 are shaped as part of a circular ring, and the inner circumference of the packing member (11) is shaped as part of a circular ring arranged around a central circular packing member (12) surrounded by a cavity (13) shaped as part of a circular ring.
Claim 28
Dependent Claim
32 words
The dispenser of claim 25, wherein the surfaces (14, 15) of the packing member (11), defining the ends of the cavity (13), extend radially with regard to the center of the box.
Claim 29
Dependent Claim
50 words
The dispenser of claim 26, wherein the box (10) is made of plastic, and in that both packing members (11, 12), with their surfaces arranged substantially at the level of the edge of the box wall (16), are molded as hollow elevations into the bottom (17) of the box (10).
Claim 30
Dependent Claim
42 words
The dispenser of claim 26, wherein the bottom (17) of the box (10) is surrounded at the underside by a protruding ring (19), and that the cover (30) comprises an upper peripheral area (34) engagable in snug fit with the ring (19).
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USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1991-01-11 | 1991-07-13 | 1992-01-12 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1995-01-11 | 1995-07-13 | 1996-01-12 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1999-01-11 | 1999-07-13 | 2000-01-12 | $7700.00 | Window Closed / Lapsed |