JPH01254741A - Apparatus for producing ceramic paper prepreg - Google Patents
Apparatus for producing ceramic paper prepregInfo
- Publication number
- JPH01254741A JPH01254741A JP8269188A JP8269188A JPH01254741A JP H01254741 A JPH01254741 A JP H01254741A JP 8269188 A JP8269188 A JP 8269188A JP 8269188 A JP8269188 A JP 8269188A JP H01254741 A JPH01254741 A JP H01254741A
- Authority
- JP
- Japan
- Prior art keywords
- resin
- tank
- liquid level
- ceramic paper
- resin impregnation
- 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
- 239000000919 ceramic Substances 0.000 title claims abstract description 38
- 239000011347 resin Substances 0.000 claims abstract description 88
- 229920005989 resin Polymers 0.000 claims abstract description 88
- 239000007788 liquid Substances 0.000 claims abstract description 43
- 238000005470 impregnation Methods 0.000 claims abstract description 35
- 238000001035 drying Methods 0.000 claims abstract description 12
- 238000004519 manufacturing process Methods 0.000 claims description 16
- 238000009413 insulation Methods 0.000 abstract description 4
- 238000001914 filtration Methods 0.000 abstract description 2
- 238000007654 immersion Methods 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 229920001187 thermosetting polymer Polymers 0.000 description 9
- 230000007423 decrease Effects 0.000 description 3
- 230000007547 defect Effects 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 238000005192 partition Methods 0.000 description 2
- 230000000630 rising effect Effects 0.000 description 2
- 238000010009 beating Methods 0.000 description 1
- 238000005452 bending Methods 0.000 description 1
- 238000007664 blowing Methods 0.000 description 1
- 238000006073 displacement reaction Methods 0.000 description 1
- 239000000428 dust Substances 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000007602 hot air drying Methods 0.000 description 1
- 239000012779 reinforcing material Substances 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Landscapes
- Reinforced Plastic Materials (AREA)
Abstract
Description
【発明の詳細な説明】
〔産業上の利用分野〕
この発明はセラミックペーパーを強化材として樹脂を含
浸させたセラミックペーパープリプレグの製造装置、特
に印刷配線基板等に使用するためのセラミックペーパー
プリプレグの製造装置に関するものである。[Detailed Description of the Invention] [Industrial Application Field] The present invention relates to an apparatus for manufacturing ceramic paper prepreg in which ceramic paper is used as a reinforcing material and impregnated with resin, particularly for manufacturing ceramic paper prepreg for use in printed wiring boards, etc. It is related to the device.
第２図は未公開の従来のセラミックペーパープリプレグ
製造装置の一部を切断した正面図、第３図はその平面図
、第４図はそのＡ−Ａ断面図である。図において、（１
）は製造装置で、樹脂含浸槽（２）および乾燥炉（４）
を有する。樹脂含浸槽（２）は内部に熱硬化性樹脂（３
）を貯留しており、仕切板（５）により覆われている。FIG. 2 is a partially cutaway front view of an undisclosed conventional ceramic paper prepreg manufacturing apparatus, FIG. 3 is a plan view thereof, and FIG. 4 is a sectional view taken along line AA. In the figure, (1
) is the manufacturing equipment, which includes a resin impregnation tank (2) and a drying oven (4).
has. The resin impregnation tank (2) contains a thermosetting resin (3) inside.
) and is covered by a partition plate (5).
（６）はプリプレグ、（７）はセラミックペーパーで、
それぞれ仕切板（５）を通過できるようになっている。(6) is prepreg, (7) is ceramic paper,
Each can pass through the partition plate (5).
セラミックペーパー（７）はペーパー取付具（１３）に
より垂直に吊り下がり、進行方向と平行になるようハン
ガー（８）に固定されている。複数個のハンガー（８）
はレール（１０）内に設けられたチェーン（９）に固定
され、ハンガー能動装置（１１）によりチェーン（９）
を動かしてハンガー（８）が移動するようになっている
。レール（１０）は熱硬化性樹脂（３）を満たした樹脂
含浸槽（２）および乾燥炉（４）の上部を通り周廻する
よう配設されており、樹脂含浸Ｍｊ（２）部でレール（
１０）は、ハンガー（８）に固定されたセラミックペー
パー（７）がゆるやかに熱硬化性樹脂（３）内に浸り、
かつゆるやかに引き上がるように下降部（１２ａ）、上
昇部（１２ｂ）の曲部を有している。乾燥炉（４）はセ
ラミックペーパー（７）の通過ゾーン（１４）をはさん
で遠赤外線ヒーター（１５）が並設され、その後部には
反射板（１６）が設けられている。（１７）は制御盤、
（１８）は熱硬化性樹脂（３）内に含まれている溶剤等
有害な気体を取り除く排気装置である。The ceramic paper (7) is suspended vertically by a paper fixture (13) and fixed to a hanger (8) so as to be parallel to the direction of travel. Multiple hangers (8)
is fixed to the chain (9) provided in the rail (10), and the chain (9) is fixed by the hanger active device (11).
The hanger (8) can be moved by moving the . The rail (10) is arranged so as to pass through the upper part of the resin impregnation tank (2) filled with the thermosetting resin (3) and the drying oven (4), and the rail (10) passes through the upper part of the resin impregnation tank (2) filled with the thermosetting resin (3) and the drying oven (4). (
10), the ceramic paper (7) fixed to the hanger (8) is gently immersed in the thermosetting resin (3),
It has a descending part (12a) and a rising part (12b) curved parts so as to be pulled up gently. In the drying oven (4), far infrared heaters (15) are arranged in parallel across the passage zone (14) of the ceramic paper (7), and a reflector (16) is provided at the rear of the far infrared heaters (15). (17) is a control panel,
(18) is an exhaust device that removes harmful gases such as solvents contained in the thermosetting resin (3).
上記のように構成されたセラミックペーパープリプレグ
製造装置においては、セラミックペーパー（７）は樹脂
含浸槽（２）の手前で取付具（１３）によりバンカー（
８）に取付けられる。ハンガー（８）はハンガー駆動装
置（１１）によりレール（１ｏ）内に設けられたチェー
ン（９）を動かすことにより移動し、樹脂含浸槽（２）
位置にセラミックペーパー（７）が移！’Ｊ］したとき
、下降部（１２ａ）でゆるやかに下降し、熱硬化性樹脂
（３）内にペーパーの端部（１９）から浸漬していく。In the ceramic paper prepreg manufacturing apparatus configured as described above, the ceramic paper (7) is attached to the bunker by the fixture (13) before the resin impregnation tank (2).
8). The hanger (8) is moved by moving the chain (9) provided in the rail (1o) by the hanger drive device (11), and the hanger (8) is moved by moving the chain (9) provided in the rail (1o).
Ceramic paper (7) is moved to position! 'J], the paper slowly descends at the descending part (12a) and is immersed into the thermosetting resin (3) from the end (19) of the paper.
セラミックペーパー（７）はハンガー（８）の進行方向
と平行であるので、ペーパーの厚みのみの抵抗となり、
セラミックペーパー（７）に外力を加えることなく浸漬
することができる６次に」二昇部（１２ｂ）を通過する
ことにより、浸漬されたセラミックペーパー（７）は一
端から徐々に引き上げられ、次に乾燥炉（４）に入り通
過ゾーン（１４）を通る。Since the ceramic paper (7) is parallel to the traveling direction of the hanger (8), the resistance is only due to the thickness of the paper.
The immersed ceramic paper (7) is gradually pulled up from one end by passing through the second rising part (12b), which can be immersed without applying external force to the ceramic paper (7), and then It enters the drying oven (4) and passes through the passage zone (14).
通過ゾーン（１４）の両側には複数個の遠赤外線ヒータ
ー（１５）が設けられており、遠赤外線の輻射エネルギ
ーにより短時間に熱硬化性樹脂（３）が半硬化し、プリ
プレグ（６）として乾燥炉（４）から出てくる。A plurality of far-infrared heaters (15) are provided on both sides of the passage zone (14), and the thermosetting resin (3) is semi-cured in a short time by the radiant energy of the far-infrared rays, forming a prepreg (6). It comes out of the drying oven (4).
ハンガー（８）に吊り下げられたプリプレグ（６）は取
りはずされ、新しいセラミックペーパー（７）が取付け
られて樹脂含浸槽（２）に入る。このように順次連続し
てプリプレグ（６）が製造される。The prepreg (6) suspended from the hanger (8) is removed, a new ceramic paper (7) is attached, and it enters the resin impregnation tank (2). In this way, prepregs (6) are manufactured one after another.
上記の装置では、複数個のハンガーにハンガーの移動方
向と平行にセラミックペーパーを取付け、樹脂含浸槽で
はゆるやかに一端からセラミックペーパーを浸漬して引
き上げるので、脆弱なセラミックペーパーに張力、曲げ
力がかからないため、紙切れなく樹脂を含浸でき、また
遠赤外線ヒーターを使うことにより、伝熱、対流による
熱風式乾燥炉のように風を当てることなく、輻射熱で乾
燥させるため、短時間で乾燥してプリプレグ化が可能で
あり、安価で量産的にプリプレグを製造できる。In the above device, ceramic paper is attached to multiple hangers parallel to the direction of movement of the hangers, and the ceramic paper is gently dipped from one end in the resin impregnation tank and pulled up, so no tension or bending force is applied to the fragile ceramic paper. This allows the resin to be impregnated without tearing the paper, and by using a far-infrared heater, radiant heat is used to dry the product without blowing air like in a hot-air drying oven, which uses heat transfer and convection, so it dries quickly and becomes prepreg. It is possible to mass-produce prepreg at low cost.
しかるに上記のような従来のセラミックペーパープリプ
レグ製造装置では、樹脂含浸槽上部が開放しているため
、樹脂含浸槽内の熱硬化性樹脂に塵介等の異物が入り込
む。このため製造されたセラミックペーパープリプレグ
で銅張積層板を成形した場合、絶縁不良となり、致命的
欠陥を生じるという問題点があった。またセラミックペ
ーパーに樹脂を含浸させると、樹脂液面が低下するが。However, in the conventional ceramic paper prepreg manufacturing apparatus as described above, since the upper part of the resin impregnation tank is open, foreign matter such as dust gets into the thermosetting resin in the resin impregnation tank. For this reason, when a copper-clad laminate is formed using the manufactured ceramic paper prepreg, there is a problem in that poor insulation occurs and a fatal defect occurs. Also, when ceramic paper is impregnated with resin, the resin liquid level decreases.
樹脂含浸槽に補給樹脂を供給すると、うす流による乱れ
が生じやすいという問題点があった。When replenishing resin is supplied to the resin impregnation tank, there is a problem in that turbulence is likely to occur due to thin flow.
この発明は、上記のような問題点を解消するためになさ
れたもので、樹脂含浸槽内の樹脂を有効的に循環させて
濾過し、絶縁不良を防止するとともに、液面をコントロ
ールしてうず流による乱れの発生を防止できるセラミッ
クペーパープリプレグ製造装置を得ることを目的とする
。This invention was made to solve the above-mentioned problems, and it effectively circulates and filters the resin in the resin impregnation tank to prevent insulation defects and to control the liquid level to prevent eddying. The object of the present invention is to obtain a ceramic paper prepreg manufacturing device that can prevent the occurrence of turbulence due to flow.
この発明のセラミックペーパープリプレグ製造装置は、
セラミックペーパーを垂直にかつ進行方向と平行に吊り
下げる複数個のハンガーと、このハンガーを周廻させ、
かつ樹脂含浸位置でハンガーを下降および上昇させるハ
ンガー思区動装置と。The ceramic paper prepreg manufacturing device of this invention is
Multiple hangers hang the ceramic paper vertically and parallel to the direction of travel, and these hangers are placed around the
and a hanger displacement device for lowering and raising the hanger at the resin impregnation position.
樹脂含浸位置におけるハンガーの下に設けられた樹脂含
浸槽と、この樹脂含浸槽に続いて設けられた遠赤外線ヒ
ーターを有する乾燥炉と、樹脂含浸槽および乾燥炉で発
生する気体を除去するように設けられた排気装置とを備
えたセラミックペーパープリプレグ製造装置において、
樹脂含浸槽の下部から上部の液面下に連絡する循環路に
設けられたフィルタおよび空気駆動ポンプと、補給槽か
ら樹脂含浸槽の液面下へ連絡する樹脂補給管に設けられ
たリリーフバルブと、樹脂含浸槽の液面により前記リリ
ーフバルブを開閉するように設けられた液面検出器とを
有するものである。A resin impregnation tank installed under the hanger at the resin impregnation position, a drying furnace equipped with a far-infrared heater installed next to the resin impregnation tank, and a system for removing gas generated in the resin impregnation tank and drying furnace. In a ceramic paper prepreg manufacturing apparatus equipped with an exhaust device provided,
A filter and an air-driven pump installed in the circulation path connecting from the lower part of the resin impregnating tank to below the liquid level in the upper part, and a relief valve installed in the resin supply pipe connecting the supply tank to below the liquid level of the resin impregnating tank. and a liquid level detector provided to open and close the relief valve depending on the liquid level of the resin impregnating tank.
この発明に係るセラミックペーパープリプレグ製造装置
においては、樹脂含浸槽め下部より循環路に樹脂を取出
し、空気駆動ポンプでフィルタを通して濾過して、樹脂
含浸槽の液面下に循環させ、樹脂含浸槽内での摺脂流れ
を上から下へ循環させる。一方、セラミックペーパーに
樹脂が含浸付着して樹脂含浸槽内の樹脂の液面が低下す
ると、液面検出器の検出によりリリーフバルブが開いて
、補給槽から樹脂補給管を通して補給樹脂液が樹脂含浸
槽の液面下に補給され、一定液面を保持する。In the ceramic paper prepreg manufacturing apparatus according to the present invention, resin is taken out from the lower part of the resin impregnation tank into the circulation path, filtered through a filter by an air-driven pump, and circulated below the liquid level of the resin impregnation tank. Circulate the oil flow from top to bottom. On the other hand, when the ceramic paper is impregnated with resin and the liquid level of the resin in the resin impregnation tank decreases, the relief valve opens as detected by the liquid level detector, and the replenishment resin liquid passes through the resin replenishment pipe from the replenishment tank to impregnate the resin. It is replenished below the liquid level in the tank and maintains a constant liquid level.
これによりうず流による樹脂の乱れが防止される。This prevents the resin from being disturbed by the eddy flow.
以下、この発明の一実施例を図について説明する。第１
図はこの発明の一実施例によるセラミックペーパープリ
プレグ製造装置における樹脂含浸槽の断面図であり、図
において、第２図ないし第４図と同一符号は同一または
相当部分を示す。An embodiment of the present invention will be described below with reference to the drawings. 1st
The figure is a sectional view of a resin impregnating tank in a ceramic paper prepreg manufacturing apparatus according to an embodiment of the present invention, and in the figure, the same reference numerals as in FIGS. 2 to 4 indicate the same or corresponding parts.
（２０）は樹脂含浸槽（２）の下部から上部の液面下に
連絡する循環路を構成する循環パイプで、途中にストレ
ーナ（２１）、空気原動ポンプ（２２）、１０〜２０メ
ツシユのフィルタ（２３）が設けられている。循環パイ
プ（２０）の先端は樹脂含浸槽（２）の液面（３ｏ）よ
りｌＯ〜３０ｃＩ１１深く入り込み、濾過後の樹脂液を
供給するようになっている。（２６）は液面（３０）よ
り補給樹脂液（２５）の下面が高くなるように配設され
た補給槽である。補給槽（２６）の下部から樹脂含浸槽
（２）に連給する樹脂補給管（２７）には、液面検出器
（２８）と連動するリリーフバルブ（２９）が設けられ
ている。(20) is a circulation pipe that constitutes a circulation path that connects the lower part of the resin impregnating tank (2) to the upper part below the liquid level, and there is a strainer (21), an air-driven pump (22), and a filter of 10 to 20 meshes in the middle. (23) is provided. The tip of the circulation pipe (20) penetrates 10 to 30 cI11 deeper than the liquid level (3o) of the resin impregnating tank (2) to supply the resin liquid after filtration. (26) is a replenishment tank arranged so that the lower surface of the replenishment resin liquid (25) is higher than the liquid level (30). A resin replenishment pipe (27) that continuously supplies the resin impregnation tank (2) from the lower part of the replenishment tank (26) is provided with a relief valve (29) that operates in conjunction with a liquid level detector (28).
樹脂補給管（２７）の先端は樹脂含浸槽（２）の液面（
３０）より１０〜３０ｃＩ１１深く入り込んでいる。空
気駆動ポンプ（２２）およびリリーフバルブ（２９）は
圧力空気源（３１）から供給される圧力空気により駆動
されるようになっている。他の構成は第２図ないし第４
図と同様である。The tip of the resin supply pipe (27) is connected to the liquid level (
30), it penetrates 10 to 30 cI11 deeper. The air-driven pump (22) and the relief valve (29) are adapted to be driven by pressurized air supplied from a pressurized air source (31). Other configurations are shown in Figures 2 to 4.
It is similar to the figure.
上記のように構成されたセラミックペーパープリプレグ
製造装置においては、樹脂含浸槽（２）内に入った異物
は、循環して流れている樹脂（３）とともに樹脂含浸槽
（２）の下部より、空気叩動ポンプ（２２）により循環
パイプ（２０）からストレーナ（２１）およびフィルタ
（２３）を通り濾過される。濾過された樹脂液は樹脂含
浸槽（２）の上部より液面（３０）下ｌＯ〜３０ｃｍの
位置に循環する。循環した樹脂液は上から下へ移動して
、再び下部よりフィルタ（２３）に送られる。一方、樹
脂がセラミックペーパー（７）に含浸することにより樹
脂含浸Ｍ（２）の液面（３０）が低下すると、空気式液
面検出器（２８）の検出によりリリーフバルブ（２９）
が開き、補給槽（２６）から液面（３０）下に補給樹脂
液が供給され、一定の液面を保持する。In the ceramic paper prepreg manufacturing apparatus configured as described above, foreign matter that has entered the resin impregnation tank (2) is removed by air from the lower part of the resin impregnation tank (2) together with the circulating resin (3). It is filtered from the circulation pipe (20) by a beating pump (22) through a strainer (21) and a filter (23). The filtered resin liquid is circulated from the upper part of the resin impregnating tank (2) to a position 10 to 30 cm below the liquid level (30). The circulated resin liquid moves from the top to the bottom and is again sent to the filter (23) from the bottom. On the other hand, when the liquid level (30) of the resin-impregnated M (2) decreases due to the resin impregnating the ceramic paper (7), the relief valve (29) is detected by the pneumatic liquid level detector (28).
is opened, and replenishment resin liquid is supplied from the replenishment tank (26) below the liquid level (30) to maintain a constant liquid level.
なお、第１図に示したように、循環パイプ（２０）に３
方切換バルブ（３２） 、 （３３）を設けると、空気
駆動ポンプ（２２）を使って、流路（３４）から樹脂含
浸槽（２）内の使用済の樹脂を排出し、また流路（３５
）を通して別の槽（図示省略）から樹脂含浸槽（２）へ
樹脂の供給を行うことができる。In addition, as shown in Figure 1, the circulation pipe (20) has 3
When the two-way switching valves (32) and (33) are provided, the air-driven pump (22) is used to discharge the used resin in the resin impregnation tank (2) from the flow path (34), and the flow path ( 35
) can supply resin to the resin impregnation tank (2) from another tank (not shown).
以上のようにこの発明によれば、樹脂含浸槽に連絡する
循環路にフィルタおよび空気即動ポンプを設け、補給槽
から樹脂含浸槽へ連絡する樹脂補給管に、液面検出器に
連動するリリーフバルブを設け、それぞれ液面下に連給
したので、樹脂含浸槽の樹脂を連続的に濾過でき、かつ
濾過された樹脂と新液とを樹脂含浸槽の液面下に供給し
て循環させることができ、これにより、うず流による乱
れを生じることなく液を循環させることができ、異物の
ない絶縁抵抗の高いセラミックペーパープリプレグを製
造することができる。また空気源を使用するので防爆等
の対策が不要で、設備コストが安価になるなどの効果が
ある。As described above, according to the present invention, a filter and a quick-acting air pump are provided in the circulation path communicating with the resin impregnation tank, and a relief valve linked to a liquid level detector is installed in the resin supply pipe communicating from the supply tank to the resin impregnation tank. Since valves are provided and each liquid is continuously supplied below the liquid level, the resin in the resin impregnation tank can be continuously filtered, and the filtered resin and new liquid are supplied and circulated below the liquid level in the resin impregnation tank. As a result, the liquid can be circulated without turbulence due to eddy flow, and a ceramic paper prepreg with high insulation resistance and no foreign matter can be manufactured. Furthermore, since an air source is used, there is no need for measures such as explosion-proofing, and equipment costs are reduced.
第１図はこの発明の一実施例における樹脂含浸槽の断面
図、第２図は従来のプリプレグ製造装置の一部を切断し
た正面図、第３図はその平面図。
第４図はそのＡ−Ａ断面図である。
各図中、同一符号は同一または相当部分を示し。
（２）は樹脂含浸槽、（３）は熱硬化性樹脂、（４）は
乾燥炉、（６）はプリプレグ、（７）はセラミックペー
パー、 （８）はハンガー、（９）はチェーン、（１０
）はレール、（１１）はハンガー駆動装置、（１５）は
遠赤外線ヒーター、（１６）は反射板、（１８）は排気
装置、 （２０）は循環パイプ、（２２）は空気開動ポ
ンプ、（２３）はフィルタ、（２６）は補給槽、（２７
）は樹脂補給管、 （２８）は液面検出器、 （２９）
はリリーフバルブである。FIG. 1 is a sectional view of a resin impregnating tank according to an embodiment of the present invention, FIG. 2 is a partially cutaway front view of a conventional prepreg manufacturing apparatus, and FIG. 3 is a plan view thereof. FIG. 4 is a sectional view taken along line A-A. In each figure, the same reference numerals indicate the same or corresponding parts. (2) is a resin impregnation tank, (3) is a thermosetting resin, (4) is a drying oven, (6) is a prepreg, (7) is a ceramic paper, (8) is a hanger, (9) is a chain, ( 10
) is a rail, (11) is a hanger drive device, (15) is a far-infrared heater, (16) is a reflector, (18) is an exhaust device, (20) is a circulation pipe, (22) is an air-operated pump, ( 23) is a filter, (26) is a supply tank, (27)
) is the resin supply pipe, (28) is the liquid level detector, (29)
is a relief valve.
Claims (1)
に吊り下げる複数個のハンガーと、このハンガーを周廻
させ、かつ樹脂含浸位置でハンガーを下降および上昇さ
せるハンガー駆動装置と、樹脂含浸位置におけるハンガ
ーの下に設けられた樹脂含浸槽と、この樹脂含浸槽に続
いて設けられた遠赤外線ヒーターを有する乾燥炉と、樹
脂含浸槽および乾燥炉で発生する気体を除去するように
設けられた排気装置とを備えたセラミックペーパープリ
プレグ製造装置において、樹脂含浸槽の下部から上部の
液面下に連絡する循環路に設けられたフィルタおよび空
気駆動ポンプと、補給槽から樹脂含浸槽の液面下へ連絡
する樹脂補給管に設けられたリリーフバルブと、樹脂含
浸槽の液面により前記リリーフバルブを開閉するように
設けられた液面検出器とを有することを特徴とするセラ
ミックペーパープリプレグ製造装置。(1) A plurality of hangers that suspend ceramic paper vertically and parallel to the direction of travel, a hanger drive device that moves the hangers around and lowers and raises the hangers at the resin impregnation position, and a hanger at the resin impregnation position. A resin impregnation tank provided below, a drying oven equipped with a far-infrared heater provided following the resin impregnation tank, and an exhaust device provided to remove gas generated in the resin impregnation tank and drying oven. In the ceramic paper prepreg manufacturing equipment, a filter and an air-driven pump are provided in the circulation path that connects from the lower part of the resin impregnating tank to below the liquid level in the upper part, and a filter and an air-driven pump that connects from the supply tank to below the liquid level of the resin impregnating tank. A ceramic paper prepreg manufacturing apparatus comprising: a relief valve provided in a resin supply pipe; and a liquid level detector provided to open and close the relief valve depending on the liquid level of a resin impregnating tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8269188A JPH01254741A (en) | 1988-04-04 | 1988-04-04 | Apparatus for producing ceramic paper prepreg |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP8269188A JPH01254741A (en) | 1988-04-04 | 1988-04-04 | Apparatus for producing ceramic paper prepreg |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| JPH01254741A true JPH01254741A (en) | 1989-10-11 |
Family
ID=13781438
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP8269188A Pending JPH01254741A (en) | 1988-04-04 | 1988-04-04 | Apparatus for producing ceramic paper prepreg |
Country Status (1)
| Country | Link |
|---|---|
| JP (1) | JPH01254741A (en) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08164520A (en) * | 1994-12-15 | 1996-06-25 | Toray Ind Inc | Resin raw material for prepreg, production thereof and production of prepreg |
| JP2008069368A (en) * | 2007-11-30 | 2008-03-27 | Matsushita Electric Works Ltd | Method for manufacturing prepreg and resin impregnation apparatus |
| GB2512355A (en) * | 2013-03-27 | 2014-10-01 | Tim Warwick | A method and apparatus for infusing additive manufactured objects and the like |
-
1988
- 1988-04-04 JP JP8269188A patent/JPH01254741A/en active Pending
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH08164520A (en) * | 1994-12-15 | 1996-06-25 | Toray Ind Inc | Resin raw material for prepreg, production thereof and production of prepreg |
| JP2008069368A (en) * | 2007-11-30 | 2008-03-27 | Matsushita Electric Works Ltd | Method for manufacturing prepreg and resin impregnation apparatus |
| GB2512355A (en) * | 2013-03-27 | 2014-10-01 | Tim Warwick | A method and apparatus for infusing additive manufactured objects and the like |
| GB2512355B (en) * | 2013-03-27 | 2016-06-01 | Warwick Tim | Infused additive manufactured objects |
| GB2553915A (en) * | 2013-03-27 | 2018-03-21 | Warwick Tim | A method and apparatus for infusing additive manufactured objects and the like |
| GB2553915B (en) * | 2013-03-27 | 2018-05-02 | Warwick Tim | Apparatus and methods for infusing additive manufactured objects and the like |
| US10442158B2 (en) | 2013-03-27 | 2019-10-15 | Freeform Fabrication Industries Limited | Method and apparatus for infusing additive manufactured objects and the like |
| US11623405B2 (en) | 2013-03-27 | 2023-04-11 | Freeform Fabrication Industries Limited | Method and apparatus for infusing additive manufactured objects and the like |
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