Patent US4018353A successfully refreshed from Google Patents.
US4018353A
Expired / Lapsed
US
⏱️ 0.0 years remaining
Vacuum closure for containers
Assignee: FA SCHMALBACH LUBECA GmbH
•
Filing: 1975-05-07
•
Granted: 1977-04-19
•
Expires: 1995-05-07
Abstract
Abstract A vacuum closure for a container consisting of a substantially flat and relatively rigid closure member, material for forming a compression-seal disposed around the periphery of the closure member, and a cap-like outer fitment of relatively more flexible material, including a ring-shaped end panel portion extending radially over the outer periphery of the closure member, a skirt portion extending substantially perpendicularly thereto having T-shaped sealing beads in spaced apart circumferential relation on the interior surface thereof, and a lifting ring secured to the ring-shaped end panel for removing the fitment when desired.
Inventors
- 👤 Heinz Marklein
Bibliographic Details
Application Number
—
Jurisdiction
US
Data Source
google_patents
Last Synchronized
2026-10-28 23:36
CPC Classifications
B; B65; B65D; B65D51/00; B65D51/14; B65D51/145
Claims Analysis
Total Claims: 15
Claim 1
Independent Claim
197 words
Vacuum closure for containers consisting of a substantially flat and relatively rigid closure member having an axis and a cap-like outer fitment of relatively more flexible material, the closure member having means for forming a compression-seal disposed around the periphery thereof by which said closure member is adapted to sealingly engage the end face of the container; said outer fitment including a skirt portion having a smooth outer face adapted to extend downwards, lifting means attached directly to said skirt portion, said skirt portion having a lower edge and including inwardly directed bead means for engaging the outer face of the container when the closure is in closing position and engaging under the outer edge of said closure member when said fitment is lifted by means of the lifting means, wherein the inwardly directed bead means consist of a plurality of beads circumferentially spaced apart from each other each of which being T-shaped including a stem and cross portion when viewed in radial direction and arranged in such a manner that the stem of the said T-shaped bead extends substantially parallel to the axis of the closure member and towards the lower edge of said collar portion.
Claim 2
Dependent Claim
197 words
Vacuum closure for containers consisting of a substantially flat and relatively rigid closure member having an axis and a cap-like outer fitment of relatively more flexible material, the closure member having means for forming a compression-seal disposed around the periphery thereof by which said closure member is adapted to sealingly engage the end face of the container; said outer fitment including a skirt portion having a smooth outer face adapted to extend downwards, lifting means attached directly to said skirt portion, said skirt portion having a lower edge and including inwardly directed bead means for engaging the outer face of the container when the closure is in closing position and engaging under the outer edge of said closure member when said fitment is lifted by means of the lifting means, wherein the inwardly directed bead means consist of a plurality of beads circumferentially spaced apart from each other each of which being T-shaped including a stem and cross portion when viewed in radial direction and arranged in such a manner that the stem of the said T-shaped bead extends substantially parallel to the axis of the closure member and towards the lower edge of said collar portion.
Claim 3
Dependent Claim
30 words
Vacuum closure according to claim 1 wherein the radial extent of the stem of each T-shaped bead decreases from the cross portion towards the lower edge of said collar portion.
Claim 4
Dependent Claim
38 words
Vacuum closure according to claim 1, wherein the cross portion of each T-shaped bead extends substantially circumferentially and is in axial spaced relation to a ring-shaped end panel of said fitment for loosely retaining said rigid closure member.
Claim 5
Dependent Claim
70 words
Vacuum closure according to claim 1, wherein the inner face of said collar portion comprises a circumferentially uninterrupted bandlike contacting portion adjacent the lower edge of said collar portion having an inner diameter not greater than the inner diameter of the crests of the circumferentially extending portions of said T-shaped bead, the contacting portion adapted to contact the outer face of a container when the closure is in closing position.
Claim 6
Dependent Claim
153 words
A press-on pull-off closure cap for containers consisting of a substantially flat and relatively rigid closure member and a cap-like outer fitment of relatively more flexible material, said closure member having means for forming a compression-seal disposed around the periphery thereof by which said closure member is adapted to sealingly engage the end of the container; said outer fitment including a skirt portion having a smooth outer face adapted to extend downwards toward a container body, wherein said skirt portion comprises a plurality of bead means of T-shaped outline each having a stem portion and a circumferentially extending cross portion circumferentially spaced apart on the inner face of said skirt portion is such a manner that the stem portion of each T-shaped bead and the smooth outer face of said skirt portion coverage in the direction from the circumferentially extending cross-portion of the T-shaped bead towards the lower edge of said skirt portion.
Claim 7
Dependent Claim
153 words
A press-on pull-off closure cap for containers consisting of a substantially flat and relatively rigid closure member and a cap-like outer fitment of relatively more flexible material, said closure member having means for forming a compression-seal disposed around the periphery thereof by which said closure member is adapted to sealingly engage the end of the container; said outer fitment including a skirt portion having a smooth outer face adapted to extend downwards toward a container body, wherein said skirt portion comprises a plurality of bead means of T-shaped outline each having a stem portion and a circumferentially extending cross portion circumferentially spaced apart on the inner face of said skirt portion is such a manner that the stem portion of each T-shaped bead and the smooth outer face of said skirt portion coverage in the direction from the circumferentially extending cross-portion of the T-shaped bead towards the lower edge of said skirt portion.
Claim 8
Dependent Claim
41 words
A press-on pull-off closure cap according to claim 5 wherein the stem portion of each T-shaped bead includes a crest and the crest of the stem portion of each T-shaped bead extends substantially parallel to the axis of the closure cap.
Claim 9
Dependent Claim
101 words
A press-on pull-off closure cap according to claim 5, wherein the cross-portion of each T-shaped bead includes a crest which crests have an inner diameter and the inner face of said skirt portion comprises a circumferentially uninterrupted band-like contacting portion adjacent the lower edge of said collar portion having an inner diameter not greater than the inner diameter of the crests of the cross portions of said T-shaped beads, the contacting portion adapted to contact the outer face of a container when the closure is in closing position and is connected to the cross portions via the stems of said beads.
Claim 10
Dependent Claim
44 words
A press-on pull-off closure cap according to claim 5 wherein the cross-portions of the beads, in the closing position of the closure cap, are adapted to be securely and elastically pressed in radial direction against the outer surface of the end of a container.
Claim 11
Dependent Claim
136 words
A vacuum closure for containers consisting of a substantially flat and relatively rigid closure member and a cap-like fitment of relatively more flexible material, the closure member having means for forming a compression seal disposed around the periphery thereof, by which said closure member is adapted to sealingly engage the end face of the container; said outer fitment including a skirt portion having a smooth outer face adapted to extend downwards, wherein said skirt portion has an inner face and includes a plurality of bead means of T-shaped outline including stem and cross portions circumferentially spaced apart on the inner face of said skirt portion, the cross-portion of which bead means extending substantially in circumferential direction and in axial spaced relation from a ring-shaped end panel of sad fitment for loosely retaining said rigid closure member.
Claim 12
Dependent Claim
136 words
A vacuum closure for containers consisting of a substantially flat and relatively rigid closure member and a cap-like fitment of relatively more flexible material, the closure member having means for forming a compression seal disposed around the periphery thereof, by which said closure member is adapted to sealingly engage the end face of the container; said outer fitment including a skirt portion having a smooth outer face adapted to extend downwards, wherein said skirt portion has an inner face and includes a plurality of bead means of T-shaped outline including stem and cross portions circumferentially spaced apart on the inner face of said skirt portion, the cross-portion of which bead means extending substantially in circumferential direction and in axial spaced relation from a ring-shaped end panel of sad fitment for loosely retaining said rigid closure member.
Claim 13
Dependent Claim
41 words
Vacuum closure according to claim 9, wherein the stem portions of the T-shaped bead means each includes a crest and the crest of the stem portion of each T-shaped bead means extends substantially parallel to the axis of the closure cap.
Claim 14
Dependent Claim
32 words
A vacuum closure according to claim 9, wherein the radial extent of each T-shaped bead means decreases from the cross-portion of each bead means towards the lower edge of said skirt portion.
Claim 15
Dependent Claim
92 words
A vacuum closure according to claim 9, wherein the cross portions of the T-shaped beads include crests and the inner face of said skirt portion comprises a circumferentially uninterrupted band-like contacting portion adjacent the lower edge of said skirt portion having an inner diameter not greater than the inner diameter of the crests of the cross portions of said T-shaped beads, the contacting portion adapted to contact the outer face of a container when the closure is in closing position and is connected to the cross-portions via the stems of said beads.
References Cited (Backward Citations)
USPTO Annuity & Maintenance Windows
| Annuity Stage | Window Opens | Payment Deadline | Surcharge Period Until | Estimated Fee | Status |
|---|---|---|---|---|---|
| 3.5 Years (Year 4) | 1980-04-18 | 1980-10-18 | 1981-04-19 | $2000.00 | Window Closed / Lapsed |
| 7.5 Years (Year 8) | 1984-04-18 | 1984-10-18 | 1985-04-19 | $3760.00 | Window Closed / Lapsed |
| 11.5 Years (Year 12) | 1988-04-18 | 1988-10-18 | 1989-04-19 | $7700.00 | Window Closed / Lapsed |