U.S. patent application number 09/834136 was filed with the patent office on 2002-10-17 for structure for airtight sealing a bottle and bottle cap.
Invention is credited to Chang, Chao-Yuan.
Application Number | 20020148803 09/834136 |
Document ID | / |
Family ID | 25266207 |
Filed Date | 2002-10-17 |
United States Patent
Application |
20020148803 |
Kind Code |
A1 |
Chang, Chao-Yuan |
October 17, 2002 |
Structure for airtight sealing a bottle and bottle cap
Abstract
A bottle sealing structure is formed of a bottleneck, a cap, and
a sealing ring. The bottleneck is provided in the outer wall with
an outer threaded portion and a retaining ring. The cap is provided
in the inner wall with an inner threaded portion, which is engaged
with the outer threaded portion of the bottleneck. The sealing ring
is attached to the bottom end of the cap by a plurality of
connection points, which are separated from one another by a
plurality of gaps. The gaps are provided with a protrusion to
support the bottom end of the cap. The sealing ring is provided
along the bottom fringe with a retaining portion which is retained
by the retaining ring of the bottleneck.
Inventors: |
Chang, Chao-Yuan; (Taichung
Hsien, TW) |
Correspondence
Address: |
HARRISON & EGBERT
412 MAIN STREET
7TH FLOOR
HOUSTON
TX
77002
US
|
Family ID: |
25266207 |
Appl. No.: |
09/834136 |
Filed: |
April 12, 2001 |
Current U.S.
Class: |
215/252 ;
215/258 |
Current CPC
Class: |
B65D 41/3452
20130101 |
Class at
Publication: |
215/252 ;
215/258 |
International
Class: |
B65D 041/34 |
Claims
I claim:
1. A bottle sealing structure comprising: a bottleneck provided in
an outer wall with an outer threaded portion; a cap provided in an
inner wall with an inner threaded portion which is engaged with
said outer threaded portion of said bottleneck; and a sealing ring
attached to a bottom end of said cap by a plurality of connection
points which are arranged at intervals and are separated from one
another by a plurality of gaps; wherein said bottleneck is further
provided in the outer wall with a retaining ring whereby said
retaining ring is located under said outer threaded portion;
wherein said sealing ring is provided along a bottom fringe with a
retaining portion whereby said retaining portion is retained by
said retaining ring of said bottleneck.
2. The bottle sealing structure as defined in claim 1, wherein said
retaining ring of said bottleneck is provided in an upper side with
an inclined plane whereby said inclined plane serves as a guiding
surface to facilitate the retaining of said retaining portion of
said sealing ring by said retaining ring of said bottleneck.
3. The bottle sealing structure as defined in claim 1, wherein said
gaps are provided with a supporting protrusion in contact with said
bottom end of said cap.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates generally to a bottle, and
more particularly to a sealing structure of the bottle.
[0003] 2. Description of Related Art
[0004] As illustrated in FIGS. 1-6, the conventional bottle is
formed of a cap 10, and a bottle body 14 which is provided at the
top end with a neck which is in turn provided in the outer wall
with a threaded portion 15 and a toothed portion 16 located under
the threaded portion 15. The cap 10 is provided at the bottom end
with a sealing ring 11 and a plurality of gaps 17 located between
the bottom end of the cap 10 and the sealing ring 11. The sealing
ring 11 is provided in the inner wall with a plurality of retaining
teeth 13 engageable with the toothed portion 16 of the bottleneck.
The sealing ring 11 is attached to the bottom end of the cap 10 by
a plurality of connection pieces 12, which are served at such time
when the cap 10 is rotated so as to enable the cap 10 to be removed
from the bottleneck. The connection pieces 12 are intended to
prevent the contents of the bottle from being tampered with.
[0005] In light of the connection pieces 12 being separated from
one another by a plurality of gaps 17, the connection pieces 12 are
susceptible to severance at such time when the cap 10 is impacted
by an external force. In addition, the retaining teeth 13 of the
sealing ring 11 are not securely engaged with the toothed portion
16 of the bottleneck. As a result, the sealing ring 11 is apt to
turn along with the cap 10 in motion. In other words, both the cap
10 and the sealing ring 11 are removed all together from the
bottleneck.
[0006] As shown in FIG. 6, the empty bottle body 14 may be used as
a vase and the like. However, the toothed portion 16 of the
bottleneck undermines the external appearance of the bottle body 14
serving as a vase. In addition, the toothed portion 16 tends to
cause an uncomfortable sensation to the skin which comes in contact
with the toothed portion 16.
BRIEF SUMMARY OF THE INVENTION
[0007] The primary objective of the present invention is to provide
a bottle with a sealing structure which is free of the deficiencies
of the conventional bottle sealing structure described above.
[0008] The features, functions, and advantages of the present
invention will be readily understood upon a thoughtful deliberation
of the following detailed description of a preferred embodiment of
the present invention with reference to the accompanying
drawings.
BRIEF DESCIPTION OF THE SEVERAL VIEWS OF THE DRAWINGS
[0009] FIG. 1 shows a perspective view of a prior art bottle with
its bottle body being sealed off by a cap.
[0010] FIG. 2 shows an exploded view of the bottle body and the cap
of the prior art bottle.
[0011] FIG. 3 shows an exploded view of the bottle body, the
sealing ring and the cap of the prior art bottle.
[0012] FIG. 4 shows a cross sectional view of the cap, the sealing
ring and the bottle body of the prior art bottle in
combination.
[0013] FIG. 5 shows a stretch out schematic view of the bottom end
of the cap and the sealing ring of the prior art bottle.
[0014] FIG. 6 shows a perspective view of the bottle body of the
prior art bottle.
[0015] FIG. 7 shows an external view of a bottle sealing structure
of the preferred embodiment of the present invention.
[0016] FIG. 8 shows an exploded view of the bottle sealing
structure of the preferred embodiment of the present invention.
[0017] FIG. 9 shows a longitudinal sectional view of the bottle
sealing structure of the preferred embodiment of the present
invention in combination.
[0018] FIG. 10 is a longitudinal sectional view of the bottle
sealing structure of the preferred embodiment of the present
invention to illustrate the separation of the cap from the bottle
body.
[0019] FIG. 11 shows a stretch-out schematic view of the bottom end
of the cap and the sealing ring of the preferred embodiment of the
present invention.
[0020] FIG. 12 shows a perspective view of the bottle body of the
preferred embodiment of the present invention.
DETAILED DESCRIPTION OF THE INVENTION
[0021] As shown in FIGS. 7-11, a bottle sealing structure of the
preferred embodiment of the present invention comprises a neck 21
of a bottle body 20, a cap 30, and a sealing ring 40.
[0022] He neck 21 of the bottle body 20 is provided in the outer
wall with an outer threaded portion 22 and a retaining ring 23
located under the threaded portion 22. The retaining ring 23 is
provided in the upper side with an inclined plane 231, as shown in
FIGS. 9 and 10.
[0023] The cap 30 is provided in the inner wall with an inner
threaded portion 31 engageable with the outer threaded portion 22
of the bottleneck 21.
[0024] The sealing ring 40 is provided with a retaining portion 41
extending along the bottom fringe of the sealing ring 40. The
sealing ring 40 is attached to the bottom end of the cap 30 by a
plurality of connection points 32 which are arranged at intervals
and are separated from one another by a plurality of gaps 321. The
sealing ring 40 is provided along the top fringe with a plurality
of supporting protrusions 401, which come in contact with the
bottom edge of the cap. The protrusions 401 are located in the gaps
321 to support the cap 30.
[0025] In combination, the cap 30 and the sealing ring 40 are
joined with the bottleneck 21 in such a manner that the inner
threaded portion 31 of the cap 30 is engaged with the outer
threaded portion 22 of the bottleneck 21, and that the retaining
portion 41 of the sealing ring 40 is retained by the retaining ring
23 of the bottleneck 21. The inclined plane 231 of the retaining
ring 23 of the bottleneck 21 serves as a guiding surface to
facilitate the retaining of the retaining portion 41 of the sealing
ring 40 by the retaining ring 23 of the bottleneck 21.
[0026] In light of the retaining portion 41 of the sealing ring 40
being retained by the retaining ring 23 of the bottleneck 21, the
sealing ring 40 does not turn along with the cap 30 in motion. As a
result, the connection points 32 are severed at the time when the
cap 30 is turned. In addition, the connection points 32 are not
susceptible to severance at such time when the cap 30 is
inadvertently impacted on by an external force. This is due to the
fact that the bottom end edge of the cap 30 is supported by the
protrusions 401 of the top edge of the sealing ring 40.
[0027] As shown in FIG. 12, the outer wall surface of the
bottleneck 21 of the preferred embodiment of the present invention
is devoid of the toothed structure of the prior art bottleneck.
[0028] The embodiment of the present invention described above is
to be regarded in all respects as being merely illustrative and not
restrictive. Accordingly, the present invention may be embodied in
other specific forms without deviating from the spirit thereof. The
present invention is therefore to be limited only by the scopes of
the following claims.
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