CN204133679U - A kind of condom - Google Patents
A kind of condom Download PDFInfo
- Publication number
- CN204133679U CN204133679U CN201420581521.6U CN201420581521U CN204133679U CN 204133679 U CN204133679 U CN 204133679U CN 201420581521 U CN201420581521 U CN 201420581521U CN 204133679 U CN204133679 U CN 204133679U
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- cover body
- condom
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- stage casing
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Abstract
The utility model discloses a kind of condom, its one end open, one end is closed, comprise axially connect successively along described condom seminal vesicle section, cover body stage casing, cover body rear and crimping rubber band section, described seminal vesicle section is positioned at described condom and closes one end, and described crimping rubber band section is positioned at described condom open at one end; Described cover body stage casing is the cylindrical shape of uniform internal diameter, and the internal diameter of described cover body rear diminishes from the one end connected with described cover body stage casing gradually to the one end connected with described crimping rubber band section.Its technique effect is: the drop of condom film thickness significantly reduces, and can accomplish that film thickness is basically identical, meets the 0.04mm condom of demand market is less than to(for) average film thickness.
Description
Technical field
This utility model relates to a kind of condom.
Background technology
The at present basic structure of condom on the market, is made up of the latex ring storing the seminal vesicle section of seminal fluid effect, the latex thin-wall sleeve body of columnar uniform internal diameter and be positioned at condom open at one end that has being positioned at condom and closing one end.Features of shape based on the male contraceptive mold of this kind of condom is: overlap as straight wall cylindrical shape.The dip forming production technology of current condom is straight dipping process.After dipping, the liquid latex of the die surface attachment of male contraceptive mold flows downward because of gravity factor, thus forms the condom with average film thickness Tave.From the seminal vesicle section of blind end to opening latex ring, the film thickness of condom is gradually by thick thinning, the drop of film thickness is very large, the drop of the film thickness of commercially available condom, general at 35 ~ 50% of average film thickness Tave, maximum exceedes 50% of average film thickness Tave.
Wherein, Tave=(T1+T2+T3)/3.T1 is the film thickness of the first test point, and T2 is the film thickness of the second test point, and T3 is the film thickness of the 3rd test point.According to the regulation of national standard " GB7544-2009 natural latex rubber condom technical requirement and test method ", first test point is located at axially distance condom blind end 30 ± 5mm place, the 3rd test point and is located at axially apart from condom opening 30 ± 5mm place, and the 3rd test point is located at the positive and negative 5mm place of axially mid point apart from condom blind end and opening.The Heveatex condom of the brands such as current commercially available Durex or OK, and all there is this defect in the distribution of the film thickness of domestic Heveatex condom.
Existing market is get over Bao Yuehao for the requirement of condom, and the average film thickness Tave of condom is preferably at below 0.04mm.By existing straight dipping process production technology, being difficult to current cover as straight wall columnar male contraceptive mold production material is Heveatex, and average film thickness Tave is at the special thin condom of below 0.04mm.
Utility model content
The purpose of this utility model is to overcome the deficiencies in the prior art, a kind of condom is provided, the drop of this condom film thickness significantly reduces, and can accomplish that film thickness is basically identical, meets the 0.04mm condom of demand market is less than to(for) average film thickness.
A kind of technical scheme realizing above-mentioned purpose is: a kind of condom, its one end open, one end is closed, comprise axially connect successively along described condom seminal vesicle section, cover body stage casing, cover body rear and crimping rubber band section, described seminal vesicle section is positioned at described condom and closes one end, and described crimping rubber band section is positioned at described condom open at one end; Described cover body stage casing is the cylindrical shape of uniform internal diameter, and the internal diameter of described cover body rear diminishes from the one end connected with described cover body stage casing gradually to the one end connected with described crimping rubber band section.
The wherein test point of the test point of the test point of the film thickness of seminal vesicle section, the film thickness in cover body stage casing and the film thickness of cover body rear, the first test point, the second test point that specify in corresponding national standard " GB7544-2009 natural latex rubber condom technical requirement and test method " respectively, and the 3rd test point.
Further, the length of described seminal vesicle section is 26 ~ 35mm, described seminal vesicle section divides three sections by the radius of curvature of section arc, the top section closed one end is closed by described condom, the interlude be connected with the bottom of described top section, and connect the bottom stage at described mid-section bottom and top, described cover body stage casing, the radius of curvature of described top section section arc is 6.0 ~ 7.0mm, the radius of curvature of described interlude section arc is 50 ~ 55mm, and the radius of curvature of described bottom stage section arc is 17 ~ 19mm.
Further, the length in described cover body stage casing is 80 ~ 120mm.
Further, the length of described cover body rear is 35 ~ 50mm, the internal diameter of its one end that connects with described cover body stage casing 3 ~ 8mm larger than the internal diameter of its one end that to connect with described crimping rubber band section.
Further, described condom is by straight dipping process explained hereafter, the film thickness in described cover body stage casing is more than or equal to the film thickness of described cover body rear, and the difference of the film thickness in described cover body stage casing and the film thickness of described cover body rear is less than 10% of the film thickness of described cover body rear.
Further, the difference of the film thickness in described cover body stage casing and the film thickness of described cover body rear, is less than 5% of the film thickness of described cover body rear.
Further, the difference of the film thickness of described seminal vesicle section and the film thickness in described cover body stage casing is less than 10% of the film thickness in described cover body stage casing.
Have employed the technical scheme of a kind of condom of the present utility model, namely comprise axially connect successively along described condom seminal vesicle section, cover body stage casing, cover body rear and crimping rubber band section, described cover body stage casing is the cylindrical shape of uniform internal diameter, the technical scheme of the condom that the internal diameter of described cover body rear diminishes from the one end connected with described cover body stage casing gradually to the one end connected with described crimping rubber band section.Its technique effect is: the drop of the film thickness of condom significantly reduces, and can accomplish that film thickness is basically identical, meets the 0.04mm condom of demand market is less than to(for) average film thickness.
Accompanying drawing explanation
Fig. 1 is the generalized section of a kind of condom of the present utility model.
Detailed description of the invention
Refer to Fig. 1, inventor of the present utility model, in order to understand the technical solution of the utility model better, below by embodiment particularly, and is described in detail by reference to the accompanying drawings:
Refer to Fig. 1, a kind of condom of the present utility model, its one end open, one end is closed, comprise axially connect successively along condom seminal vesicle section 1, cover body stage casing 2, cover body rear 3 and crimping rubber band section 4, seminal vesicle section 1 is positioned at condom and closes one end, and crimping rubber band section 4 is positioned at condom open at one end.
The wherein test point of the test point of the test point of the film thickness of seminal vesicle section, the film thickness in cover body stage casing and the film thickness of cover body rear, the first test point, the second test point that specify in corresponding national standard " GB7544-2009 natural latex rubber condom technical requirement and test method " respectively, and the 3rd test point.
The length L1 of seminal vesicle section 1 is 30mm, seminal vesicle section 1 divides three sections by the radius of curvature of section arc, the top section 11 closed one end is closed by condom, the interlude 12 be connected with the bottom of top section 11, and connect the bottom of interlude 12 and the bottom stage 13 at cover top, body stage casing 2, the radius of curvature R 1 of the section arc of top section 11 is 6.0mm, radian is 77 °, the radius of curvature R 2 of the section arc of interlude 12 is 51mm, radian is 21 °, the radius of curvature R 3 of the section arc of bottom stage 13 is 17.5mm, and radian is 37 °.
The length L2 in cover body stage casing 2 is 100mm, and be the cylindrical shape of uniform internal diameter, its internal diameter is Rz, and the length L3 of cover body rear 3 is 456mm, and the internal diameter of cover body rear 3 diminishes from the one end connected with cover body stage casing 2 gradually to the one end connected with crimping rubber band section 4.The one end connected with cover body stage casing 2, the internal diameter of cover body rear 3 is Rz, the one end connected with crimping rubber band section 4, the internal diameter of cover body rear 3 is Ri, generally, overlap body rear 3 and connect the internal diameter Rz of one end with cover body stage casing 2 than overlapping body rear 33 ~ 8mm large with the internal diameter Ri overlapping the one end that to connect with crimping rubber band section 4.The length L4 of crimping rubber band section 4 is 5mm.
This condom, by straight dipping process explained hereafter, when producing this condom, condom mould supporting is with it by the impregnation of 2 ~ 3 times in Heveatex, form the condom that film thickness is uniformities substantially from seminal vesicle section 1 to cover body rear 3, the film thickness of condom is basically identical, and the film thickness of seminal vesicle section 1 can accomplish below 0.045mm, test by national standard " GB7544-2009 natural latex rubber condom technical requirement and test method ", the average film thickness Tave of whole condom reaches below 0.04mm.
In the present embodiment, the film thickness in cover body stage casing 2 is less than 10% of the film thickness overlapping body rear 3 with the difference of the film thickness of cover body rear 3.
Further improvement of this embodiment is: the film thickness in cover body stage casing 2 is less than 5% of the film thickness overlapping body rear 3 with the difference of the film thickness of cover body rear 3.
In the present embodiment, the film thickness of seminal vesicle section 1 is more than or equal to the film thickness in cover body stage casing 2, and the film thickness of seminal vesicle section 1 is less than 10% of the film thickness overlapping body stage casing 2 with the difference of the film thickness in cover body stage casing 2.
Condom of the present utility model, the internal diameter of cover body rear 3 is diminished from the one end connected with cover body stage casing 2 gradually to the one end connected with crimping rubber band section 4, namely the cover body rear 3 with leaning angle is adopted, and adopt the seminal vesicle section 1 with three sections of section arcs, make when adopting male contraceptive mold to carry out dip forming to this condom, be attached to latex on male contraceptive mold from top to bottom, from the position corresponding with cover body stage casing 2, when flowing to the position corresponding with overlapping body rear 3, because male contraceptive mold is also at the position corresponding with cover body rear 3, correspondence have employed the design with leaning angle, the downward flow velocity at the position that Heveatex is corresponding with cover body rear 3 on male contraceptive mold significantly reduces compared to position corresponding with cover body stage casing 2 on male contraceptive mold, thus make attachment male contraceptive mold increases by more than 15% with the latex on cover body rear 3 corresponding position.Because male contraceptive mold dipping is put forward the accumulative effect of process, male contraceptive mold can drop in glue groove leaving in face of impregnated resin more fast with the Heveatex that adhere to of die surface at cover top place, body stage casing 2, make the film thickness minimizing 10% of seminal vesicle section 1.
By above-mentioned design, after making molding, the drop of the film thickness of condom significantly reduces, and namely the film thickness of each test point of whole condom such as seminal vesicle section 1, cover body stage casing 2 and cover body rear 3 and the difference of average film thickness Tave are significantly decreased in 5%.
Those of ordinary skill in the art will be appreciated that, above embodiment is only used to this utility model is described, and be not used as restriction of the present utility model, as long as in spirit of the present utility model, all will drop in Claims scope of the present utility model the change of the above embodiment, modification.
Claims (7)
1. a condom, its one end open, one end is closed, comprise axially connect successively along described condom seminal vesicle section, cover body stage casing, cover body rear and crimping rubber band section, described seminal vesicle section is positioned at described condom and closes one end, and described crimping rubber band section is positioned at described condom open at one end; It is characterized in that:
Described cover body stage casing is the cylindrical shape of uniform internal diameter, and the internal diameter of described cover body rear diminishes from the one end connected with described cover body stage casing gradually to the one end connected with described crimping rubber band section.
2. a kind of condom according to claim 1, it is characterized in that: the length of described seminal vesicle section is 26 ~ 35mm, described seminal vesicle section divides three sections by the radius of curvature of section arc, the top section closed one end is closed by described condom, the interlude be connected with the bottom of described top section, and connect the bottom stage at described mid-section bottom and top, described cover body stage casing, the radius of curvature of described top section section arc is 6.0 ~ 7.0mm, the radius of curvature of described interlude section arc is 50 ~ 55mm, the radius of curvature of described bottom stage section arc is 17 ~ 19mm.
3. a kind of condom according to claim 1, is characterized in that: the length in described cover body stage casing is 80 ~ 120mm.
4. a kind of condom according to claim 1, is characterized in that: the length of described cover body rear is 35 ~ 50mm, the internal diameter of its one end that connects with described cover body stage casing 3 ~ 8mm larger than the internal diameter of its one end that to connect with described crimping rubber band section.
5. a kind of condom according to claim 1, it is characterized in that: it is by straight dipping process explained hereafter, the film thickness in described cover body stage casing is more than or equal to the film thickness of described cover body rear, and the difference of the film thickness in described cover body stage casing and the film thickness of described cover body rear is less than 10% of the film thickness of described cover body rear.
6. a kind of condom according to claim 5, is characterized in that: the difference of the film thickness in described cover body stage casing and the film thickness of described cover body rear, is less than 5% of the film thickness of described cover body rear.
7. a kind of condom according to claim 5, is characterized in that: the difference of the film thickness of described seminal vesicle section and the film thickness in described cover body stage casing is less than 10% of the film thickness in described cover body stage casing.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420581521.6U CN204133679U (en) | 2014-10-10 | 2014-10-10 | A kind of condom |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201420581521.6U CN204133679U (en) | 2014-10-10 | 2014-10-10 | A kind of condom |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN204133679U true CN204133679U (en) | 2015-02-04 |
Family
ID=52410403
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201420581521.6U Active CN204133679U (en) | 2014-10-10 | 2014-10-10 | A kind of condom |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN204133679U (en) |
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2014
- 2014-10-10 CN CN201420581521.6U patent/CN204133679U/en active Active
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CP01 | Change in the name or title of a patent holder |
Address after: 201700 building 6, 1218 Xinda Road, Qingpu District, Shanghai Patentee after: Shanghai Celebrity sanitary products Co.,Ltd. Address before: 201700 building 6, 1218 Xinda Road, Qingpu District, Shanghai Patentee before: SHANGHAI MINGBANG RUBBER PRODUCTS Co.,Ltd. |
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| CP01 | Change in the name or title of a patent holder |