JPH04191013A - Manufacture of tire mold - Google Patents
Manufacture of tire moldInfo
- Publication number
- JPH04191013A JPH04191013A JP2326661A JP32666190A JPH04191013A JP H04191013 A JPH04191013 A JP H04191013A JP 2326661 A JP2326661 A JP 2326661A JP 32666190 A JP32666190 A JP 32666190A JP H04191013 A JPH04191013 A JP H04191013A
- Authority
- JP
- Japan
- Prior art keywords
- mold
- tire
- design
- gypsum
- pattern
- 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.)
- Pending
Links
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 17
- 238000013461 design Methods 0.000 claims abstract description 72
- 239000010419 fine particle Substances 0.000 claims abstract description 20
- 239000011505 plaster Substances 0.000 claims description 21
- 238000000034 method Methods 0.000 claims description 20
- 238000005266 casting Methods 0.000 claims description 6
- 238000005480 shot peening Methods 0.000 claims description 4
- 239000002245 particle Substances 0.000 claims description 3
- 238000012546 transfer Methods 0.000 claims description 3
- 239000003292 glue Substances 0.000 claims 1
- 229910052602 gypsum Inorganic materials 0.000 abstract description 12
- 239000010440 gypsum Substances 0.000 abstract description 12
- 239000004576 sand Substances 0.000 abstract description 6
- 229910052751 metal Inorganic materials 0.000 abstract description 5
- 239000002184 metal Substances 0.000 abstract description 5
- CWYNVVGOOAEACU-UHFFFAOYSA-N Fe2+ Chemical compound [Fe+2] CWYNVVGOOAEACU-UHFFFAOYSA-N 0.000 abstract description 4
- 239000007788 liquid Substances 0.000 abstract description 4
- 239000003795 chemical substances by application Substances 0.000 abstract description 2
- 239000007767 bonding agent Substances 0.000 abstract 1
- 238000000465 moulding Methods 0.000 abstract 1
- 239000002253 acid Substances 0.000 description 4
- 238000005260 corrosion Methods 0.000 description 4
- 230000007797 corrosion Effects 0.000 description 4
- 239000000853 adhesive Substances 0.000 description 3
- 230000001070 adhesive effect Effects 0.000 description 3
- 229910052782 aluminium Inorganic materials 0.000 description 3
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 3
- 230000015572 biosynthetic process Effects 0.000 description 3
- 238000004026 adhesive bonding Methods 0.000 description 2
- 230000000694 effects Effects 0.000 description 2
- 230000000873 masking effect Effects 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 239000004033 plastic Substances 0.000 description 2
- 239000000843 powder Substances 0.000 description 2
- 101100016026 Drosophila melanogaster GstE14 gene Proteins 0.000 description 1
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 description 1
- 238000007796 conventional method Methods 0.000 description 1
- 238000010586 diagram Methods 0.000 description 1
- 238000009415 formwork Methods 0.000 description 1
- 239000011521 glass Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000004575 stone Substances 0.000 description 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 1
Landscapes
- Tires In General (AREA)
- Moulds For Moulding Plastics Or The Like (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
本発明はタイヤ金型（特にパターン金型）の製法に関す
る。DETAILED DESCRIPTION OF THE INVENTION [Field of Industrial Application] The present invention relates to a method for manufacturing a tire mold (particularly a pattern mold).
〔従来の技術と発明が解決しようとするｙＡ８）タイヤ
のトレッドパターン模様等を形成するパターン金型は、
一般に次の工程で製′造される。即ち、■タイヤ型ブロ
ックマスターを作り、それより、■ゴム製で反転型を作
成し、これから、■鋳造石こう型を作成し、次に、■こ
れを用いてアルミ鋳造等ムこよってパターン金型を製作
している。[Conventional techniques and inventions to solve yA8) Pattern molds for forming tire tread patterns, etc.
Generally, it is manufactured by the following process. In other words, ■ Make a tire-shaped block master, ■ Create an inverted mold made of rubber, ■ Create a casting plaster mold, and ■ Use this to make pattern molds for aluminum casting, etc. is being produced.
上記■の工程のタイヤ型ブロックマスターの場合、石こ
うに彫刻可能な意匠にしか適用できないという問題があ
る。これは、マスター材質（石こう）の故にもよるが破
損したり欠けることが多いからであり、また、その後に
、上記■−→■→■Ｔ程と進む乙こ従って、当初の彫刻
パターン部のノヤープさ、アグレッシブさがしたいに無
くなって、当初期待し７た意匠イメージを実現出来ない
という問題もあることが分かった。In the case of the tire-shaped block master of the process (2) above, there is a problem that it can only be applied to designs that can be engraved on plaster. This is because it is often damaged or chipped, depending on the master material (gypsum), and after that, the original engraving pattern part is It turned out that there was also a problem in that the design image that was originally expected could not be realized because the ``noyap'' and aggressiveness had disappeared.
ところが、最近、タイヤの意匠として、アグレッシブさ
を強調し、目立つようにデザイン部の外観を改善するた
め、■の工程後に、ノボ加工等を施してつや消しにする
ことが試みられている。し７かしながら、−Ｆ記■の工
程で作ったパターン金型自身に、酸腐食にて４景′ラザ
ラ！７た粗面を形成（５た場合、均一な粗面を形成する
ことが困難であると共に、酸腐食のためにその後のパタ
ーン金型の耐久性に問題があることが、分かった。However, recently, in order to emphasize the aggressiveness of the tire design and improve the appearance of the design part so that it stands out, attempts have been made to make the tire matte by applying nobo processing etc. after the step (2). However, the pattern mold itself made in the process described in -F.■ becomes rough due to acid corrosion! 7. Formation of a rough surface (5) It was found that it was difficult to form a uniform rough surface and that there was a problem with the durability of the subsequent pattern mold due to acid corrosion.
本発明の目的は、タイヤ表面の−・部ｔこ、つや消し風
のザラザラした粗面のデザイン部を、ソヤーブＣ７、か
つアグレッシブに形成出来、かつ、均一に見映え良く形
成出来ると共Ｃコ、金型の内面の耐久性を損わない点に
ある。An object of the present invention is to be able to aggressively form a matte-like rough surface design part on the tire surface, and to form it uniformly and with good appearance. The point is that it does not impair the durability of the inner surface of the mold.
〔課題を解決するための手段］
本発明乙ご係るタイヤ金型の製法は、タイヤ型ブロック
マスターの所定位置に多数の微ｔ：１子を接着してデザ
イン部を形成し、該デザイン部を、ゴム反転型、鋳造石
こう型、及び金型へと順次転写する方法である。[Means for Solving the Problems] The method for manufacturing a tire mold according to the present invention is to form a design part by gluing a large number of small T:1 pieces to a predetermined position of a tire mold block master, and to form the design part. , a rubber inversion mold, a cast plaster mold, and a method of sequentially transferring to a metal mold.
また、タイヤ型ブロックマスターの所定４ｒｉ、 ｉ７
Ｌ臥ソヨノトビーニングにより多数の凹凸部から成る
デザイン部を形成し７ても良い。In addition, the specified tire type block master 4ri, i7
A design portion consisting of a large number of concave and convex portions may be formed by beaning.
また、ゴム反転型の所定位置〇こ多数の微粒子を接着し
てデザイン部を形成し、該デザイン部を、鋳造石こう型
及び金型へと順次転写する方法である。Another method is to form a design part by adhering a large number of fine particles at predetermined positions on a rubber inversion mold, and to sequentially transfer the design part to a casting plaster mold and a metal mold.
あるいは、鋳造石こう型の所定位置に多数の微粒子を接
着してデザイン部を形成し、該デザイン部を金型へ転写
する方法である。Alternatively, there is a method in which a large number of fine particles are adhered to a predetermined position of a cast plaster mold to form a design portion, and the design portion is transferred to the mold.
また、鋳造石こう型の所定位置に、ノヨノトビーニング
により多数の凹凸部から成るデザイン部を形成し、該デ
ザイン部を金型へ転写する方法である。Another method is to form a design portion consisting of a large number of concave and convex portions at a predetermined position of a cast plaster mold by beaning, and then transfer the design portion to the mold.
そして、微粒子の大きさを、平均３０μＩＴＩ〜９０μ
ｍとするのが良い。Then, the size of the fine particles was adjusted to an average of 30μITI to 90μ
It is better to set it to m.
タイヤ型ブロックマスター、又は、ゴム反転型、若しく
は鋳造石こう型ムこ、粗面模様のデザイン部を形成する
から、製作が容易であると共に、従来の酸による腐食の
ような悪影響を金型に与えることが、なくなる。Tire type block master, rubber inverted type, or cast plaster type block master, it is easy to manufacture because it forms a design part with a rough surface pattern, and it does not have negative effects on the mold like conventional acid corrosion. Things will disappear.
そＵ２て、多数の微粒子を、いずれかの型乙こ接着する
方法は、粗面模様の形成が容易かつ確実であると共に、
パターン金型へ、シャープでアグレッシブな意匠とする
ことが可能で、それによって成型されるタイヤ製品の意
匠も優れる。Therefore, the method of bonding a large number of fine particles to any one of the molds not only allows easy and reliable formation of a rough surface pattern, but also
It is possible to create a sharp and aggressive design on the pattern mold, and the resulting tire product will also have an excellent design.
また、ショク）−ピーニングによる寸法も、同様に、粗
面模様のデザイン部の形成が容易かつ迅速に可能となり
、タイヤ製品の意匠も優れる。なお、マスキングすれば
、部分的にノコ／１ピーニングすることも簡単である。In addition, with respect to dimensions obtained by peening, it is possible to easily and quickly form a design portion with a rough surface pattern, and the design of the tire product is also excellent. Note that if masking is performed, it is easy to perform partial sawing/peening.
［実施例］
以下、タイヤ金型のうち図示のタイヤパターン金型の実
施例ζこ基づき本発明を説明する。[Example] Hereinafter, the present invention will be described based on an example ζ of a tire pattern mold shown in the drawings among tire molds.
第１３図に於て、タイヤ用パターン金型１５としてトレ
ッドリング１５ａ、１５ｂを例示１−２、クラウン部２
の１・し、ドパターン模様２ａの他に、ショルダ一部３
には小さな多数の凹凸の粗面から成るデザイン部４が帯
状乙こ形成されている。つまり、幅寸法Ｗのデザイン部
４が環状に形成さねている。このようなトレッド１ノン
グ１５ａ、１５ｂは、アルミニウム等の非鉄材から成り
、これζ、こよって成型したタイヤ５は、第１４図に示
すように、Ｉレッドパターン模様２ａ、及び、粗面（つ
や消し面）のデザイン部４ａ、４ａを有する。In FIG. 13, tread rings 15a and 15b are shown as examples 1-2 and crown part 2 as the tire pattern mold 15.
1. In addition to the do pattern pattern 2a, the shoulder part 3
A design portion 4 consisting of a rough surface with many small irregularities is formed in a strip shape. In other words, the design portion 4 having the width dimension W is formed in an annular shape. The tread 1 lengths 15a and 15b are made of a non-ferrous material such as aluminum, and the tire 5 thus formed has an I red pattern 2a and a rough surface (matte), as shown in FIG. It has design parts 4a, 4a.
本発明は、このようなパターン金型１５を製造する方法
に関し、以下、第１図〜第１３同に基づいて説明する。The present invention relates to a method of manufacturing such a pattern mold 15, and will be described below based on FIGS. 1 to 13.
第１図に示すように、タイヤを赤道線に沿って２分割し
た円環体Ａを想定し、これを例えば中心角θが３０°で
１２等分した扇型の単位ブロックＢを考えて、これを対
象として、第２図に示すように、単位ブロックＢのトレ
ッド部に相当する弯曲外面６を有し、パターン溝を有し
ない石こう原型７を作る。即ち、タイヤの１／２４の大
きさに対応する。As shown in Fig. 1, suppose a torus A is made by dividing a tire into two along the equator line, and consider a fan-shaped unit block B by dividing this into 12 equal parts with a central angle θ of 30°. For this purpose, as shown in FIG. 2, a gypsum prototype 7 having a curved outer surface 6 corresponding to the tread portion of the unit block B and having no pattern grooves is made. That is, it corresponds to 1/24 the size of a tire.
この石こう原型７に、第３図に示す如く、トレッドパタ
ーン模様の設計図等を見ながらハイドゲージ等を用いて
、トレッドパターン模様８・・・を罫書きする。As shown in FIG. 3, tread patterns 8 are marked on this plaster model 7 using a hide gauge or the like while looking at the design drawing of the tread pattern.
次に、第４図に示すように、彫刻機でパターン溝９・・
・を掘って、弯曲外面６にトレッド溝が形成されたタイ
ヤ型ブロックマスター１０を得る。その後（又はその前
若しくは同時に）、この石こう製タイヤ型ブロンクマス
ター１０の所望位置に、多数の微粒子１１・・・を、耐
熱接着剤にて接着してデザイン部りを形成する。このデ
ザイン部りは勿論任意のもよう形状とすることができる
。Next, as shown in Fig. 4, the pattern grooves 9...
・A tire-shaped block master 10 having tread grooves formed on the curved outer surface 6 is obtained by digging. Thereafter (or before or at the same time), a large number of fine particles 11 are adhered to a desired position of this gypsum tire-shaped bronc master 10 using a heat-resistant adhesive to form a design portion. Of course, this design portion can have any shape.
第１３図と第１４図に例示するように、ソヨルダー部３
に帯状のデザイン部４（４ａ）を設けるためには、第４
図に於て、ショルダ一対応部位に帯状のデザイン部りを
形成する。微粒子１１・・・とじては、平均粒度が３０
μｍ〜９０μｍ□望ましくは５０μｍ〜７０μｍ□の川
砂、砕石砂、人工砂、ガラス粉粒体、鉄粉、プラスチッ
ク粉粒体等を使用し、帯状に接着剤で固着して、多数の
微細凹凸のある粗面を形成して、デザイン部りとする。As illustrated in FIGS. 13 and 14, the sojolder section 3
In order to provide the strip-shaped design portion 4 (4a) on the
In the figure, a band-shaped design portion is formed at a portion corresponding to the shoulder. Fine particles 11...The average particle size is 30
Use river sand, crushed stone sand, artificial sand, glass powder, iron powder, plastic powder, etc. with a diameter of 50 μm to 70 μm, preferably 50 μm to 70 μm, and fix it in a band shape with adhesive to create a large number of fine irregularities. A certain rough surface is formed to form a design part.
このデザイン部りの幅寸法をＷとする。なお、デザイン
部りの側縁に沿って、上記彫刻機にて予め凹溝や凸条の
模様を形成しておき、その後、上述の方法にて微粒子１
１・・・を接着すれば、更に別異の意匠が得゛）れる。Let W be the width dimension of this design portion. Note that along the side edges of the design part, a pattern of grooves and protrusions is formed in advance using the above engraving machine, and then fine particles 1 are formed using the above method.
By gluing 1..., an even more different design can be obtained.
あるいは、デザイン部りの内部にまで、上記彫刻機にて
予め凹溝や凸条の模様を形成しておき、その後、上述の
方法にて微粒子１１・・・を接着すれば、意匠的変化を
さらに付加できる。接着剤は例えば、ボンド、石こう、
プラスチック系ボンドとする。Alternatively, the pattern of grooves and protrusions can be formed in advance on the inside of the design area using the engraving machine, and then the fine particles 11... can be adhered using the method described above to create a change in design. More can be added. Examples of adhesives include bond, plaster,
Use plastic bond.
また、第４図のデザイン部りの他の形成方法としては、
ショットピーニングにより形成することもできる。即ち
、予めデザイン部りとすべき帯状部位以外を、マスキン
グしてから、ンヨノトピーニングすれば、露出していた
帯状部位にのみ多数の凹凸部（粗面）のデザイン部りが
形成できる。In addition, as another method for forming the design part shown in Fig. 4,
It can also be formed by shot peening. That is, by masking in advance the area other than the band-shaped part to be the design part and then performing top peening, the design part with a large number of uneven parts (rough surfaces) can be formed only in the exposed band-shaped part.
次に、第５図に示すように、第４図のプロ、クマスター
１０を、図示省略の外型に入れて、ゴム液と硬化剤液を
注入して、ゴム反転型１２を得る。つまり、第６図に示
すようなゴム反転型１２が得られるが、第４図のパター
ン溝９は反転してパターン突条９ａ・・・となると共に
、デザイン部りが凹凸部となるように転写される。Next, as shown in FIG. 5, the professional bearer mold 10 of FIG. 4 is placed in an outer mold (not shown), and a rubber liquid and a curing agent liquid are poured into the mold to obtain a rubber inverted mold 12. In other words, the rubber inverted mold 12 as shown in FIG. 6 is obtained, but the pattern grooves 9 in FIG. transcribed.
このゴム反転型】２に、第７図に示す如く、石こうを注
型して、鋳造石こう型１３を得る。つまり、第８図と第
９図に示す如く、パターン溝９ｂ・・・が再反転して凹
設されると共に、デザイン部りも再反転して転写される
。第９圀では（第１図を参酌すれば明らかなように）、
１２個の鋳造石こう型１３・・・を円環状に組み合わせ
た状態を示している。As shown in FIG. 7, plaster is poured into this rubber inverted mold 2 to obtain a cast gypsum mold 13. In other words, as shown in FIGS. 8 and 9, the pattern grooves 9b are reversed again and recessed, and the design portions are also reversed and transferred. In the 9th region (as is clear if you take Figure 1 into consideration),
It shows a state in which 12 cast gypsum molds 13... are assembled in an annular shape.
次に、第１０図に示すように、外型としての砂型１４に
対して、第９図の円環状に組み合わせた鋳造石こう型１
３を、中子として、（図示省略の外型枠に）セットし、
アルミニウム等の非鉄金属の溶融した湯を注型して、パ
ターン金型１５を得る。つまり、第１１図はこのパター
ン金型１５を砂型１４から抜き出しつつある状態を示し
、パターン突条９Ｃ・・・が形成されると共に、デザイ
ン部りは３度目の反転が行われて、第１３図にて既述し
たデザイン部４が形成される。Next, as shown in FIG. 10, with respect to the sand mold 14 as an outer mold, the cast plaster mold 1 is combined into an annular shape as shown in FIG.
3 as a core (in the outer formwork (not shown)),
A pattern mold 15 is obtained by pouring molten hot water of a non-ferrous metal such as aluminum. That is, FIG. 11 shows a state in which the pattern mold 15 is being extracted from the sand mold 14, and the pattern protrusions 9C... are formed, and the design part is reversed for the third time, and the 13th The design portion 4 already described in the figure is formed.
第１２回と第１３図に示すように、第１０図と第１１図
に示したパターン金型１５の上下型各１個をもって、１
本のタイヤ５（第１４図参照）を成型するのに使用され
る。As shown in the 12th and FIG. 13, one upper and lower mold of the pattern mold 15 shown in FIGS. 10 and 11 is used.
It is used to mold a book tire 5 (see Figure 14).
この第１３閏から得られるタイヤ５は、第１４図に示す
ように、トレッドパターン模ＨＡ２ａが凹溝として、ま
た、デザイン部４ａ、４ａは、原型の第４図のデザイン
部りとは凹凸が逆として、多数の微細凹凸のある粗面（
つや消し面）を、備えている。As shown in FIG. 14, the tire 5 obtained from this 13th leap has a tread pattern model HA2a as a concave groove, and the design portions 4a, 4a are uneven compared to the design portion of the original model shown in FIG. Conversely, a rough surface with many fine irregularities (
It has a matte surface).
このように、第４図に示したタイヤ型ブロックマスター
１０の所定位置に、多数の微粒子１１・・・を接着する
か、又は、一部マスキングしたショットピ−ニングによ
って、多数の凹凸部を形成して、デザイン部りを形成し
て、その後、順次、このデザイン部りを、ゴム反転型１
２→鋳造石こう型１３→パターン金型１５へと、転写し
て、デザイン部４を、パターン金型１５のキャビティ内
面に形成する。In this way, a large number of uneven parts are formed at predetermined positions of the tire-shaped block master 10 shown in FIG. to form a design part, and then sequentially apply the design part to the rubber inverted mold 1.
2→casting plaster mold 13→pattern mold 15, and the design portion 4 is formed on the inner surface of the cavity of the pattern mold 15.
次に、別の実施例を上述の実施例の図面を流用して説明
すると、第４図と第５図に於３するデザイン部りの形成
を省略し、代りに、第６図に示したゴム反転型１２に於
て初めてデザイン部りを形成するも好ましいことである
。Next, another embodiment will be described by using the drawings of the above-mentioned embodiment.The formation of the design portion shown in FIG. 4 and FIG. It is also preferable that the design portion is formed for the first time in the rubber inversion mold 12.
即ち、第６図に示したように、ゴム反転型１２の所定位
置に多数の微粒子を接着してデザイン部りを形成する。That is, as shown in FIG. 6, a large number of fine particles are adhered to a predetermined position of the rubber inversion mold 12 to form a design portion.
（この微粒子は前実施例と同しもので良い。）その後、
第７図〜第１３図と順次（前実施例と同様ムこ）各工程
を経て、パターン金型１５が得られる。(This fine particle may be the same as in the previous example.) After that,
A pattern mold 15 is obtained through the steps shown in FIGS. 7 to 13 (as in the previous embodiment).
また、さらに別の実施例としては、第４図〜第７図に於
ては全くデザイン部りを形成せず、第８図に示した鋳造
石こう型１３に於て初めて、デザイン部りを形成するも
、望ましい。Furthermore, as another example, no design part is formed in FIGS. 4 to 7, and a design part is formed for the first time in the cast plaster mold 13 shown in FIG. However, it is desirable.
即ち、第８図に示したように、鋳造石こう型１３の所定
位置に多数の微粒子を接着し、又は、ンヨ７トビーニン
グを施して、デザイン部りを形成する。その後は、第９
圓〜第１３図に示すように順次各工程を経て、パターン
金型１５を製造する。なお、鋳造石こう型１３の微粒子
が第１１図のパターン金型１５のデザイン部４に付着し
ている場合があるから、この工程の後に、この付着した
微粒子を除去して後に、第１３図のように組立てて使用
する。That is, as shown in FIG. 8, a design portion is formed by adhering a large number of fine particles to a predetermined position of the cast plaster mold 13 or by subjecting it to beaning. After that, the 9th
The pattern mold 15 is manufactured through each process in sequence as shown in FIGS. Incidentally, fine particles of the cast plaster mold 13 may adhere to the design part 4 of the pattern mold 15 shown in FIG. 11, so after this step, after removing the adhered fine particles, Assemble and use as shown.
なお、本発明は上述の実施例に限定されず設計変更自由
であって、例えば、パターン金型１５と（−７ではアル
ミニウム以外の非鉄金属材質としても良いと共に、デザ
イン部Ｄ（４）は、帯状以外の形状及び模様に形成して
も自由であり、あるいは、トレッド部全体に施すことも
自由である。さらＣ二は、サイドウオール金型が非鉄製
の場合には、そのサイドウオール型の一部乃至全体に同
様の手法で任意のデザイン部Ｄ（４）を形成することが
できる。It should be noted that the present invention is not limited to the above-mentioned embodiments and is free to change the design. It is free to form shapes and patterns other than band-like, or it is free to form them on the entire tread part.Furthermore, in C2, when the sidewall mold is made of non-ferrous metal, the sidewall mold is Any design portion D(4) can be formed partially or entirely using the same method.
（発明の効果〕
本発明は上述の構成により、金型にシボ加工として酸腐
食を施すことなく、粗面のデザイン部４が形成出来て、
この金型の耐久性が損われずに、見映えが良くかつ均一
なつや消しのデザイン部４ａが、タイヤ５に形成出来る
。さらに、微粒子１１・・・を使用し、又は、ショット
ピーニングにより、シャープでアグレッシブな見映えの
良い均一な粗面のデザイン部４が得られる。また、微粒
子径を平均３０μｍ〜９０μｍとすれば、最も見映えの
良い自然なつや消しの粗面のデザイン部４ａが、タイヤ
５に表現出来る。(Effects of the Invention) With the above-described configuration, the present invention can form the rough design portion 4 without applying acid corrosion to the mold as a texturing process.
A good-looking and uniform matte design portion 4a can be formed on the tire 5 without impairing the durability of the mold. Further, by using the fine particles 11 or by shot peening, the design portion 4 having a sharp, aggressive appearance and a uniform rough surface can be obtained. Further, if the particle diameter is set to 30 μm to 90 μm on average, the most visually appealing natural matte rough surface design portion 4a can be expressed on the tire 5.
第１図〜第１３図は本発明の実施例を工程順に説明する
説明図、第１４図は本発明の製法によって得られたパタ
ーン金型により製造されたタイヤの一例を示す要部断面
図である。
Ｄ・・・デザイン部、４・・・デザイン部、１０・・・
タイヤ型ブロックマスター、１１・・・微粒子、１２・
・・ゴム反転型、１３・・・鋳造石こう型、１５・・・
パターン金型。
第９図
第１０図
第１１図
第１２図Figures 1 to 13 are explanatory diagrams explaining examples of the present invention in the order of steps, and Figure 14 is a sectional view of essential parts showing an example of a tire manufactured using a pattern mold obtained by the manufacturing method of the present invention. be. D...Design Department, 4...Design Department, 10...
Tire-shaped block master, 11... Fine particles, 12.
...Rubber inversion mold, 13...Cast plaster mold, 15...
pattern mold. Figure 9 Figure 10 Figure 11 Figure 12
Claims (1)
微粒子１１・・・を接着してデザイン部Ｄを形成し、該
デザイン部Ｄを、ゴム反転型１２、鋳造石こう型１３、
及び金型１５へと順次転写することを特徴とするタイヤ
金型の製法。 ２、タイヤ型ブロックマスター１０の所定位置に、ショ
ットピーニングにより多数の凹凸部から成るデザイン部
Ｄを形成し、該デザイン部Ｄを、ゴム反転型１２、鋳造
石こう型１３、及び金型１５へと順次転写することを特
徴とするタイヤ金型の製法。 ３、ゴム反転型１２の所定位置に多数の微粒子を接着し
てデザイン部Ｄを形成し、該デザイン部Ｄを、鋳造石こ
う型１３及び金型１５へと順次転写することを特徴とす
るタイヤ金型の製法。 ４、鋳造石こう型１３の所定位置に多数の微粒子を接着
してデザイン部Ｄを形成し、該デザイン部Ｄを金型１５
へ転写することを特徴とするタイヤ金型の製法。 ５、鋳造石こう型１３の所定位置に、ショットピーニン
グにより多数の凹凸部から成るデザイン部Ｄを形成し、
該デザイン部Ｄを金型１５へ転写することを特徴とする
タイヤ金型の製法。 ６、微粒子の大きさを、平均３０μｍ〜９０μｍに設定
した請求項１、３又は４記載のタイヤ金型の製法。[Claims] 1. A large number of fine particles 11... are adhered to a predetermined position of a tire mold block master 10 to form a design part D, and the design part D is formed by a rubber inversion mold 12 and a cast plaster mold 13. ,
and a method for manufacturing a tire mold, characterized by sequentially transferring to the mold 15. 2. Form a design part D consisting of a large number of uneven parts at a predetermined position of the tire mold block master 10 by shot peening, and apply the design part D to the rubber inversion mold 12, the cast plaster mold 13, and the mold 15. A tire mold manufacturing method characterized by sequential transfer. 3. A tire mold characterized in that a design portion D is formed by adhering a large number of fine particles to a predetermined position of a rubber inversion mold 12, and the design portion D is sequentially transferred to a casting plaster mold 13 and a mold 15. Mold manufacturing method. 4. Glue a large number of particles to a predetermined position of the casting plaster mold 13 to form a design part D, and insert the design part D into the mold 15.
A method for manufacturing a tire mold, which is characterized by transferring to 5. Form a design part D consisting of a large number of uneven parts at a predetermined position of the cast plaster mold 13 by shot peening,
A method for manufacturing a tire mold, characterized in that the design portion D is transferred to a mold 15. 6. The method for manufacturing a tire mold according to claim 1, 3 or 4, wherein the size of the fine particles is set to an average size of 30 μm to 90 μm.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2326661A JPH04191013A (en) | 1990-11-27 | 1990-11-27 | Manufacture of tire mold |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2326661A JPH04191013A (en) | 1990-11-27 | 1990-11-27 | Manufacture of tire mold |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH04191013A true JPH04191013A (en) | 1992-07-09 |
Family
ID=18190258
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2326661A Pending JPH04191013A (en) | 1990-11-27 | 1990-11-27 | Manufacture of tire mold |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH04191013A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5431873A (en) * | 1992-10-07 | 1995-07-11 | Compagnie Generale Des Etablissements Michelin - Micheline & Cie | Tire mold and process for making the mold |
| CN101947647A (en) * | 2010-09-02 | 2011-01-19 | 山东万通模具有限公司 | Tire mold low-pressure casting method capable of eliminating deformation of patterned ring |
| CN106457711A (en) * | 2014-04-30 | 2017-02-22 | 米其林企业总公司 | Mould element for a tyre mould comprising a mark |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6233019A (en) * | 1985-08-02 | 1987-02-13 | Nissan Motor Co Ltd | Press forming method |
| JPS62214910A (en) * | 1986-03-17 | 1987-09-21 | Keizo Saeki | Manufacture of tire |
-
1990
- 1990-11-27 JP JP2326661A patent/JPH04191013A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6233019A (en) * | 1985-08-02 | 1987-02-13 | Nissan Motor Co Ltd | Press forming method |
| JPS62214910A (en) * | 1986-03-17 | 1987-09-21 | Keizo Saeki | Manufacture of tire |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5431873A (en) * | 1992-10-07 | 1995-07-11 | Compagnie Generale Des Etablissements Michelin - Micheline & Cie | Tire mold and process for making the mold |
| CN101947647A (en) * | 2010-09-02 | 2011-01-19 | 山东万通模具有限公司 | Tire mold low-pressure casting method capable of eliminating deformation of patterned ring |
| CN106457711A (en) * | 2014-04-30 | 2017-02-22 | 米其林企业总公司 | Mould element for a tyre mould comprising a mark |
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