JPH0339519U - - Google Patents
Info
- Publication number
- JPH0339519U JPH0339519U JP9968189U JP9968189U JPH0339519U JP H0339519 U JPH0339519 U JP H0339519U JP 9968189 U JP9968189 U JP 9968189U JP 9968189 U JP9968189 U JP 9968189U JP H0339519 U JPH0339519 U JP H0339519U
- Authority
- JP
- Japan
- Prior art keywords
- mold
- cavities
- base fabric
- lower mold
- during
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Granted
Links
- 239000004744 fabric Substances 0.000 claims description 18
- 238000000748 compression moulding Methods 0.000 claims description 5
- 238000000465 moulding Methods 0.000 claims description 5
- 230000002093 peripheral effect Effects 0.000 claims description 2
- 238000010586 diagram Methods 0.000 description 3
- 238000000034 method Methods 0.000 description 1
Landscapes
- Diaphragms And Bellows (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
- Casting Or Compression Moulding Of Plastics Or The Like (AREA)
Description
第１図ａ〜第１図ｃはこの考案による一実施例
の基布入りダイアフラムの成形型を用いて基布入
りダイアフラムを製造する場合の説明図、第２図
はこの考案による他の実施例の基布入りダイアフ
ラムの成形型を示す説明図、第３図ａ〜第３図ｄ
は従来の一例による基布入りダイアフラムの成形
型を用いて基布入りダイアフラムを製造した場合
の説明図、第４図ａ〜第４図ｃは従来の他の例に
よる基布入りダイアフラムの成形型を用いて基布
入りダイアフラムを製造した場合の説明図である
。
１，１１，２１，３１……成形上型、２，１２
，２２，３２……成形下型、３，１３，２３，３
３……キヤビテイ、２４……分出し生地、４，２
５，３５……未加硫ゴム、５，２６，３６……基
布、６，２７，３７……基布入りダイアフラム。
Figures 1a to 1c are explanatory views of the case where a fabric-containing diaphragm is manufactured using a fabric-containing diaphragm mold according to one embodiment of this invention, and Fig. 2 is another embodiment of this invention. Explanatory diagram showing a mold for a diaphragm with base fabric, Figures 3a to 3d
4 is an explanatory diagram of a case where a diaphragm with a base fabric is manufactured using a molding die for a diaphragm with a base fabric according to a conventional example, and FIGS. FIG. 3 is an explanatory diagram of a case where a diaphragm containing a base fabric is manufactured using the method. 1, 11, 21, 31... upper mold, 2, 12
, 22, 32... Lower mold, 3, 13, 23, 3
3... Cavity, 24... Portioned dough, 4,2
5, 35... unvulcanized rubber, 5, 26, 36... base fabric, 6, 27, 37... diaphragm with base fabric.
補正 平２．１０．１
実用新案登録請求の範囲を次のように補正する
。Amendment 2.10.1 The scope of claims for utility model registration is amended as follows.
【実用新案登録請求の範囲】
キヤビテイ３，１３を有する成形型下型２，１
２と、該成形型下型２，１２に対して接離可能に
配設される成形型上型１，１１とを具え、前記キ
ヤビテイ３，１３内に未加硫ゴム４を充填して前
記成形型下型２，１２と前記成形型上型１，１１
とにより予備成形し、そののち、前記未加硫ゴム
４の表面に基布５を添着して一体とするとともに
、前記成形型下型２，１２と前記成形型上型１，
１１とにより前記未加硫ゴム４および前記基布５
を圧縮成形するようになつた基布入りダイアフラ
ムの成形型において、前記成形型下型２，１２の
キヤビテイ３，１３を中央部に対して周縁部を浅
く形成するとともに、前記予備成形時に、成形型
下型２，１２と成形型上型１，１１とを接触させ
、また前記圧縮成形時に圧縮成形時の前記キヤビ
テイ３，１３の最下部と前記成形型上型１，１１
との間の距離（Ｔ′）と、前記予備成形時におけ
る前記キヤビテイ３，１３の最下部と前記成形型
上型１，１１との間の距離（Ｔ）との差が、圧縮
成形後の基布５の最小厚み（ｔ′）以下で成形を
行うことを特徴とする基布入りダイアフラムの成
形型。[Scope of claims for utility model registration] Molding mold lower mold 2, 1 having cavities 3, 13
2, and a mold upper mold 1, 11 which is disposed so as to be able to come into contact with and be separated from the mold lower mold 2, 12, and the unvulcanized rubber 4 is filled into the cavities 3, 13 to form the mold. The lower mold 2, 12 and the upper mold 1, 11
After that, the unvulcanized rubber is preformed by
A base fabric 5 is attached to the surface of the mold 4 to make it integral, and the lower mold 2, 12 and the upper mold 1,
11 and the unvulcanized rubber 4 and the base fabric 5.
In a mold for a diaphragm containing a base fabric, which is now capable of compression molding, the cavities 3 and 13 of the lower mold 2 and 12 are formed with shallow peripheral edges relative to the center, and during the preforming, the cavities 3 and 13 are The lower mold 2, 12 and the upper mold 1, 11 are brought into contact, and during the compression molding, the lowest part of the cavity 3, 13 and the upper mold 1, 11 are brought into contact with each other.
and the distance (T) between the lowest part of the cavities 3, 13 and the upper molds 1, 11 during the preforming, A mold for a diaphragm containing a base fabric, which is characterized in that molding is performed with a thickness below the minimum thickness (t') of the base fabric 5.
Claims (1)
２と、該成形型下型２，１２に対して接離可能に
配設される成形型上型１，１１とを具え、前記キ
ヤビテイ３，１３内に未加硫ゴム５を充填して前
記成形型下型２，１２と前記成形型上型１，１１
とにより予備成形し、そののち、前記未加硫ゴム
５の表面に基布５を添着して一体とするとともに
、前記成形型下型２，１２と前記成形型上型１，
１１とにより前記未加硫ゴム４および前記基布５
を圧縮成形するようになつた基布入りダイアフラ
ムの成形型において、前記成形型下型２，１２の
キヤビテイ３，１３を中央部に対して周縁部を浅
く形成するとともに、前記予備成形時に、成形型
下型２，１２と成形型上型１，１１とを接触させ
、また前記圧縮成形時に、圧縮成形時の前記キヤ
ビテイ３，１３の最下部と前記成形型上型１，１
１との間の距離（Ｔ′）と、前記予備成形時にお
ける前記キヤビテイ３，１３の最下部と前記成形
型上型１，１１との間の距離（Ｔ）との差が、圧
縮成形後の基布５の最小厚み（ｔ′）以下で成形
を行うことを特徴とする基布入りダイアフラムの
成形型。 Molding mold lower mold 2, 1 having cavities 3, 13
2, and a mold upper mold 1, 11 which is disposed so as to be able to come into contact with and be separated from the mold lower mold 2, 12, and the unvulcanized rubber 5 is filled into the cavities 3, 13 to form the mold. The lower mold 2, 12 and the upper mold 1, 11
After that, a base cloth 5 is attached to the surface of the unvulcanized rubber 5 to make it integral, and the lower mold 2, 12 and the upper mold 1,
11 and the unvulcanized rubber 4 and the base fabric 5.
In a mold for a diaphragm containing a base fabric, which is now capable of compression molding, the cavities 3 and 13 of the lower mold 2 and 12 are formed with shallow peripheral edges relative to the center, and during the preforming, the cavities 3 and 13 are The lower mold 2, 12 and the upper mold 1, 11 are brought into contact, and during the compression molding, the lowest part of the cavity 3, 13 during compression molding is brought into contact with the upper mold 1, 1 of the mold.
1 and the distance (T) between the lowest part of the cavities 3, 13 and the upper molds 1, 11 during the preforming, A mold for a diaphragm containing a base fabric, which is characterized in that the molding is performed at a thickness below the minimum thickness (t') of the base fabric 5.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9968189U JPH0732016Y2 (en) | 1989-08-25 | 1989-08-25 | Mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP9968189U JPH0732016Y2 (en) | 1989-08-25 | 1989-08-25 | Mold |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPH0339519U true JPH0339519U (en) | 1991-04-16 |
| JPH0732016Y2 JPH0732016Y2 (en) | 1995-07-26 |
Family
ID=31648720
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP9968189U Expired - Lifetime JPH0732016Y2 (en) | 1989-08-25 | 1989-08-25 | Mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH0732016Y2 (en) |
-
1989
- 1989-08-25 JP JP9968189U patent/JPH0732016Y2/en not_active Expired - Lifetime
Also Published As
| Publication number | Publication date |
|---|---|
| JPH0732016Y2 (en) | 1995-07-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| EXPY | Cancellation because of completion of term |