U.S. patent application number 13/067669 was filed with the patent office on 2012-12-20 for heat isolation collar for paper cup.
This patent application is currently assigned to POWER SOURCE & ASSOCIATES CORP.. Invention is credited to Sheng-Hung Lin.
Application Number | 20120318858 13/067669 |
Document ID | / |
Family ID | 47352893 |
Filed Date | 2012-12-20 |
United States Patent
Application |
20120318858 |
Kind Code |
A1 |
Lin; Sheng-Hung |
December 20, 2012 |
Heat isolation collar for paper cup
Abstract
A paper cup assembly includes a paper cup 10 with a bottom piece
connected to the lower end thereof and the cup has an open top. A
lip portion made of bio-degradable plastic material is formed along
the open top by way of injection molding, heat-pressing or
high-frequency wave welding. Multiple protrusions are formed on the
outside of the cup when forming the lip portion. The cup has a
positioning portion and the isolation collar is mounted to the cup
and the top portion of the isolation collar is connected to the
positioning portion. The lower portion of the isolation collar is
fixed to the cup. A gap is defined between the whole isolation
collar and the cup. When used to a deep cup, the protrusions are
helpful for isolating the heat from the cup.
Inventors: |
Lin; Sheng-Hung; (Taipei
City, TW) |
Assignee: |
POWER SOURCE & ASSOCIATES
CORP.
|
Family ID: |
47352893 |
Appl. No.: |
13/067669 |
Filed: |
June 20, 2011 |
Current U.S.
Class: |
229/403 |
Current CPC
Class: |
B65D 81/3865 20130101;
Y02W 90/10 20150501; Y02W 90/13 20150501; A47G 23/0216
20130101 |
Class at
Publication: |
229/403 |
International
Class: |
B65D 3/02 20060101
B65D003/02 |
Claims
1. A paper cup assembly comprising: a paper cup with a bottom piece
connected to a lower end thereof and the cup having an open top, a
lip portion made of plastic material formed along the open top,
multiple protrusions formed on an outside of the cup when forming
the lip portion.
2. The assembly as claimed in claim 1, wherein the cup having a
positioning portion defined in an underside of the lip portion, an
isolation collar is mounted to the cup and a top portion of the
isolation collar is connected to the positioning portion.
3. The assembly as claimed in claim 2, wherein a lower portion of
the isolation collar is fixed to the outside of the cup.
4. The assembly as claimed in claim 1, wherein the lip portion is
made by way of injection molding.
5. The assembly as claimed in claim 1, wherein the lip portion is
made by bio-degradable plastic material.
6. The assembly as claimed in claim 1, wherein the lip portion is
made by bio plastic.
7. The assembly as claimed in claim 1, wherein a lower portion of
the isolation collar is folded inward so as to be fixed to the
outside of the cup.
8. The assembly as claimed in claim 1, wherein the bottom piece is
made by plastic material and is integrally formed with the cup by
way of injection molding, the bottom piece has a positioning groove
and the lower portion of the isolation collar is engaged with the
positioning groove.
9. The assembly as claimed in claim 8, wherein the bottom piece is
made by bio-degradable plastic material.
10. The assembly as claimed in claim 9, wherein the bottom piece is
made by bio plastic.
Description
BACKGROUND OF THE INVENTION
[0001] 1. Field of the Invention
[0002] The present invention relates to a paper cup assembly, and
more particularly, to a paper cup with heat isolation collar
mounted thereto.
[0003] 2. Background of the Invention
[0004] A conventional beverage cup for take-out generally is made
by paper which cannot isolation temperature of the beverage so that
the user cannot hold the cup because the high temperature
transferred to the user's hand. Besides, the beverage soon becomes
cold for the same reason and this affects the taste of the
beverage. Taiwan Utility Patent No. M379573 discloses a paper cup
as shown in FIG. 1 and includes a cup with a bottom piece connected
to the underside of the cup, and an isolation piece located on
outside of the cup. The isolation piece has a connection portion
and an inner layer which folded downward from the connection
portion. A space is defined between the outside of the cup and the
isolation piece. By the isolation piece, the structural strength of
the cup is reinforced and the space cuts off the heat transferring
to the user's hand.
[0005] It is noted that the conventional isolation piece is
connected to the lower edge of the open top of the cup so that the
top portion of the isolation piece is almost in contact with the
cup. However, when using the beverage in the cup, the users usually
hold the top portion of the cup so that the user can feel the high
temperature at the top portion of the cup because there is no gap
between the cup and the top portion of the isolation piece. Even if
there is a gap, when the length of cup is long enough, the
isolation piece cannot bear the pressure applied to the isolation
piece from the user so that the user still contact the cup and feel
the temperature.
[0006] The present invention intends to provide a paper cup with an
isolation collar which improves the shortcomings of the
conventional isolation piece.
SUMMARY OF THE INVENTION
[0007] The present invention relates to a paper cup assembly and
comprises a paper cup with a bottom piece connected to the lower
end thereof and the cup has an open top. A lip portion made of
bio-degradable plastic material is formed along the open top by way
of injection molding, heat-pressing or high-frequency wave welding.
Multiple protrusions are formed on the outside of the cup when
forming the lip portion. The cup has a positioning portion and the
isolation collar is mounted to the cup and the top portion of the
isolation collar is connected to the positioning portion. The lower
portion of the isolation collar is folded inward and fixed to the
cup. A gap is defined between the whole isolation collar and the
cup. When used to a deep cup, the protrusions are helpful for
isolating the heat from the cup.
[0008] The present invention will become more obvious from the
following description when taken in connection with the
accompanying drawings which show, for purposes of illustration
only, a preferred embodiment in accordance with the present
invention.
BRIEF DESCRIPTION OF THE DRAWINGS
[0009] FIG. 1 is a cross sectional view of the conventional paper
cup;
[0010] FIG. 2 is a perspective view to show the paper cup assembly
of the present invention;
[0011] FIG. 3 is an exploded view to show the paper cup assembly of
the present invention;
[0012] FIG. 4 is a cross sectional view of the paper cup assembly
of the present invention;
[0013] FIG. 5 is a cross sectional view to show another embodiment
of the paper cup assembly of the present invention, and
[0014] FIG. 6 shows that the paper cup assembly of the present
invention has a plastic bottom piece.
DETAILED DESCRIPTION OF THE PREFERRED EMBODIMENT
[0015] Referring to FIGS. 2 to 6, the paper cup assembly of the
present invention comprises a paper cup 10 with a lip portion 20,
and an isolation collar 30 which is mounted to the cup 10.
[0016] The cup 10 is made by rolling a piece of paper board and a
bottom piece 11 is connected to the lower end thereof and the cup
10 has an open top 12. The lip portion 20 is formed along the open
top 12.
[0017] The lip portion 20 is an annular portion and made of plastic
material formed along the open top 12 by way of injection molding,
heat-pressing or high-frequency wave welding. The cup 10 has a
positioning portion 21 defined in the underside of the lip portion
20. Multiple protrusions 22 are integrally formed on the outside of
the cup 10 when forming the lip portion 20. The isolation collar 30
is mounted to the cup 10 and a top portion of the isolation collar
30 is connected to the positioning portion 21. The protrusions 22
are in contact with the isolation collar 30 when a user holds the
isolation collar 30.
[0018] The top portion of the isolation collar 30 is engaged with
the positioning portion 21 of the lip portion 20 by way of gluing
or heat-welding. The lower portion of the isolation collar 30 is
folded inward and fixed to the outside of the cup 10 by way of
gluing or heat-welding. Therefore, a gap 41 is defined between the
outside of the cup 10 and the inside of the isolation collar 30. As
shown in FIGS. 4 and 5, when fixing the lower portion of the
isolation collar 30 to the cup, because the top portion top portion
of the isolation collar 30 is engaged with the positioning portion
21 of the lip portion 20, so that the lower portion of the
isolation collar 30 is easily decided to be connected to the
position of the cup 10, either close to the lower end of the cup or
in flush with the underside of the cup 10.
[0019] Furthermore, as shown in FIG. 6, the bottom piece 11 is made
by plastic material and integrally formed with the cup by way of
injection molding, heat-pressing or high-frequency wave welding.
The bottom piece 11 has a positioning groove 111 when the bottom
piece 11 is made. The lower portion of the isolation collar 30 is
engaged with the positioning groove 111.
[0020] By the top portion of the isolation collar 30 engaged with
the positioning portion 21 so that the inside of the isolation
collar 30 does not contact the cup to affect the isolation feature.
When the isolation collar 30 is used to a deep cup 10, the
protrusions 22 reinforce the structural strength of the isolation
collar 30. The inside of the isolation collar 30 contacts the
protrusions 22, rather than the cup 10, so as to have better
isolation feature.
[0021] While we have shown and described the embodiment in
accordance with the present invention, it should be clear to those
skilled in the art that further embodiments may be made without
departing from the scope of the present invention.
* * * * *