JPS5876216A - Preparing of smc moldings - Google Patents

Preparing of smc moldings

Info

Publication number
JPS5876216A
JPS5876216A JP56174856A JP17485681A JPS5876216A JP S5876216 A JPS5876216 A JP S5876216A JP 56174856 A JP56174856 A JP 56174856A JP 17485681 A JP17485681 A JP 17485681A JP S5876216 A JPS5876216 A JP S5876216A
Authority
JP
Japan
Prior art keywords
smc
reinforcing plate
holes
sheets
plate
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
Application number
JP56174856A
Other languages
Japanese (ja)
Inventor
Kazuhiko Shinoki
篠木　和彦
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Panasonic Electric Works Co Ltd
Original Assignee
Matsushita Electric Works Ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Matsushita Electric Works Ltd filed Critical Matsushita Electric Works Ltd
Priority to JP56174856A priority Critical patent/JPS5876216A/en
Publication of JPS5876216A publication Critical patent/JPS5876216A/en
Pending legal-status Critical Current

Links

Abstract

PURPOSE:To prepare simply high strength SMC moldings that is excellent in welding strength to a reinforcing plate by a method wherein reinfocing plate such as plywood, metallic plate, etc. on which holes are drilled previously is placed between SMC sheets. CONSTITUTION:Holes 4 are made in advance on suitable positions of a reinforcing plate 3 and the reinforcing plate 3 is placed between two SMC sheets 1, 2. When they are formed in a hot press in such a state,both SMC sheets 1, 2 are softened and melted into one body through the holes 4. In this manner, the reinforcing plate 3 is stuck respecively to the SMC sheets 1, 2 on its surfaces and, moreover, is connected by the SMC entered into the holes 4 firmly in a unitary body with the respective SMC sheets. Thus, the SMC molding of high strength can be obtained.

Description

【発明の詳細な説明】 本発明はポリバス等のＳＭＣ成形品の製造方法に関する
。DETAILED DESCRIPTION OF THE INVENTION The present invention relates to a method for manufacturing SMC molded products such as polybath.

従来よりＳＭＣ成形品の強度を増すため、成形品の肉厚
を増す、成形後の成形品の裏面にハンドレイアップによ
りバックアツプ材を固着（オーバレイ）させるといった
方法がとられていたが、前書にあってはコストが高く、
後者にあっては作巣性が極めて悪いといった欠点があっ
た。本発明はこのような実情に鑑みて為されたものであ
り、強度を増すにあたりコスト、作東性等に優れたＳＭ
Ｃ成形品の製造方法を提供することを目的とする。Conventionally, methods to increase the strength of SMC molded products include increasing the wall thickness of the molded product and adhering (overlaying) backup material to the back surface of the molded product by hand layup after molding. Books are expensive,
The latter had the disadvantage of extremely poor nest-building ability. The present invention has been made in view of the above circumstances, and provides an SM which is superior in cost, ease of construction, etc. in increasing strength.
The purpose of this invention is to provide a method for manufacturing C-molded products.

以下実施例として示した図面と共に本発明を詳述する。The present invention will be described in detail below with reference to the drawings shown as examples.

図に８いて１．２はＳＭｔ、シートであり、３は合板、
金属板等の補強板である。この補強板３には予め孔４が
所要番こ穿設され、補強板５は両ＳＭＣシート１．２間
Ｉこ介在されている。そしてこの状態で熱圧成形すると
両ＳＭＣシート１．２は軟化され、孔４を介してシート
１．２は互いに融合一体化される。従って補強板３は、
その表面にてそれぞれＳＭＧシート１及びＳＭＧシート
２を接触接置されると共に孔４に入り込んだＳＭＣによ
り、より強固にＳＭＧと一体連結さ、れるのであるここ
で孔４の大きさはＳＭＧシート１．２の流動性を妨げな
い程直に大きくすることが必要であ、る。（反対に孔４
が大きすきるとそれだけ補強板としての効果が日くなる
）と共に孔の数も要求される品質（接置強度）によって
選ばれる。In the figure 8, 1.2 is SMt, sheet, 3 is plywood,
This is a reinforcing plate such as a metal plate. A required number of holes 4 are pre-drilled in this reinforcing plate 3, and the reinforcing plate 5 is interposed between both SMC sheets 1.2. When hot-press molding is performed in this state, both SMC sheets 1.2 are softened, and the sheets 1.2 are fused and integrated with each other through the holes 4. Therefore, the reinforcing plate 3 is
The SMG sheet 1 and the SMG sheet 2 are brought into contact with each other on the surface thereof, and the SMC that has entered the hole 4 connects the SMG more firmly.Here, the size of the hole 4 is determined by the SMG sheet 1. It is necessary to make it large enough not to interfere with the fluidity of .2. (On the contrary, hole 4
(The larger the gap, the less effective it is as a reinforcing plate.) The number of holes is also selected depending on the required quality (standing strength).

尚、ＳＭＣ成形品の補強場所としては防水床パンの底面
、ポリパス等の底面、エプロン等が考えられる。Possible locations for reinforcing the SMC molded product include the bottom of waterproof floor pans, the bottom of polypass, etc., and aprons.

以上のようにあらかじめ孔を穿設した合板、金属板等の
補強板をＳＭＣシート間に介在せしめて熱圧成形するこ
とを特許とするので、補強板によりＳＭＣ成形品は着し
く強度が増すと共に、コストが安く後工程を伴なわず製
造が容易である。更には補強板は接樹強度に勝れている
という利点を有している。又ＳＭＣシートの投入バラン
スが多少悪くとも成形上何らの問題がない。As mentioned above, the patent is for heat-pressing forming by interposing reinforcing plates such as plywood or metal plates with pre-drilled holes between SMC sheets. , it is low cost and easy to manufacture without requiring post-processing. Furthermore, the reinforcing plate has the advantage of superior tree attachment strength. Moreover, even if the SMC sheet feeding balance is somewhat unbalanced, there is no problem in molding.

【図面の簡単な説明】[Brief explanation of the drawing]

図は成形前の要部断面図を示す。 １．２・・・ＳＭ（シート、５・・・補強板、４・・・
孔。 特許出願人 松下電工株式会社 代理人弁理士　竹　元　敏　丸 （ほか２名） 　３１The figure shows a sectional view of the main part before molding. 1.2...SM (sheet, 5...reinforcement plate, 4...
Hole. Patent applicant Matsushita Electric Works Co., Ltd. Representative patent attorney Toshimaru Takemoto (and 2 others) 31

Claims (1)

【特許請求の範囲】[Claims] １）あらかじめ孔を穿設した合板、金属板等の補強板を
ＳＭＧシート間に介在せしめて熱圧成形することを特徴
とするＳＭＣ成形品の製造方法。1) A method for producing an SMC molded product, which is characterized in that a reinforcing plate such as plywood or metal plate with holes drilled in advance is interposed between SMG sheets and hot-press molded.
JP56174856A 1981-10-30 1981-10-30 Preparing of smc moldings Pending JPS5876216A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
JP56174856A JPS5876216A (en) 1981-10-30 1981-10-30 Preparing of smc moldings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP56174856A JPS5876216A (en) 1981-10-30 1981-10-30 Preparing of smc moldings

Publications (1)

Publication Number Publication Date
JPS5876216A true JPS5876216A (en) 1983-05-09

Family

ID=15985844

Family Applications (1)

Application Number Title Priority Date Filing Date
JP56174856A Pending JPS5876216A (en) 1981-10-30 1981-10-30 Preparing of smc moldings

Country Status (1)

Country Link
JP (1) JPS5876216A (en)

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7255822B2 (en) * 2002-01-31 2007-08-14 Owens-Corning Fiberglas Technology Inc. Process for manufacturing a composite sheet

Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US7255822B2 (en) * 2002-01-31 2007-08-14 Owens-Corning Fiberglas Technology Inc. Process for manufacturing a composite sheet

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