DE599919C - Process for the production of molded articles from synthetic resin - Google Patents

Process for the production of molded articles from synthetic resin

Info

Publication number
DE599919C
DE599919C DER87052D DER0087052D DE599919C DE 599919 C DE599919 C DE 599919C DE R87052 D DER87052 D DE R87052D DE R0087052 D DER0087052 D DE R0087052D DE 599919 C DE599919 C DE 599919C
Authority
DE
Germany
Prior art keywords
synthetic resin
production
molded articles
metal
wire
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.)
Expired
Application number
DER87052D
Other languages
German (de)
Inventor
Martin Krahl
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.)
Dr F Raschig GmbH
Original Assignee
Dr F Raschig GmbH
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 Dr F Raschig GmbH filed Critical Dr F Raschig GmbH
Priority to DER87052D priority Critical patent/DE599919C/en
Application granted granted Critical
Publication of DE599919C publication Critical patent/DE599919C/en
Expired legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C35/00—Heating, cooling or curing, e.g. crosslinking or vulcanising; Apparatus therefor
    • B29C35/02—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould
    • B29C35/0272—Heating or curing, e.g. crosslinking or vulcanizing during moulding, e.g. in a mould using lost heating elements, i.e. heating means incorporated and remaining in the formed article
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C70/00—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts
    • B29C70/68—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks
    • B29C70/688—Shaping composites, i.e. plastics material comprising reinforcements, fillers or preformed parts, e.g. inserts by incorporating or moulding on preformed parts, e.g. inserts or layers, e.g. foam blocks the inserts being meshes or lattices
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C43/00—Compression moulding, i.e. applying external pressure to flow the moulding material; Apparatus therefor
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29K—INDEXING SCHEME ASSOCIATED WITH SUBCLASSES B29B, B29C OR B29D, RELATING TO MOULDING MATERIALS OR TO MATERIALS FOR MOULDS, REINFORCEMENTS, FILLERS OR PREFORMED PARTS, e.g. INSERTS
    • B29K2705/00—Use of metals, their alloys or their compounds, for preformed parts, e.g. for inserts

Description

Verfahren zum Herstellen von Preßkörpern aus Kunstharz Faserstoifgewebe, das mit Kunstharzmasse imprägniert ist, läßt sich unter Hitze und Druck zu sehr zähen und widerstandsfähigen Körpern verpressen. Die Widerstandsfähigkeit kann dadurch noch erhöht werden, daß enweder bei dem Gewebe die Kette aus. Metall und der -Schuß aus Faserstoff besteht, öder daß Drahtgewebe oder Metall und Faserstoffjewebe abwechselnd geschichtet werden. Es macht allerdings Schwierigkeiten, massige Körper herzustellen, da hierzu sehr lange Preßzeiten erforderlich sind, wobei es außerdem leicht vorkommen kann, daß die Körper außen überhitzt, im Inneni dagegen nicht genügend erhitzt werden.Process for the production of pressed bodies from synthetic resin fiber cloth, which is impregnated with synthetic resin mass, can be too much under heat and pressure compress tough and resistant bodies. Resilience can thereby nor can it be increased that either the warp is made of the fabric. Metal and the shot consists of fiber, or that wire mesh or metal and fiber cloth alternately be layered. However, it makes it difficult to produce massive bodies, because this requires very long pressing times, and it also happens easily It is possible that the body is overheated on the outside, but not sufficiently heated on the inside.

Gemäß der Erfindung werden diese Schwierigkeiten beseitigt, wobei noch eine wesentliche Verkürzung der Preßzeit erreicht wird. Hierzu werden die Drahteinlagen als Heizkörper mitverw endet, indem diese entweder als Ohmscher Widerstand oder als Leiter für elektrische Wirbelströme dienen. Diese Drähte heizen dadurch die Masse von innen, und es ist so ohne weiteres möglich, beispielsweise Platten von beliebiger Dicke in kurzer Zeit in technisch vollkommen einwandfreier Form herzustellen.According to the invention these difficulties are eliminated, wherein a substantial reduction in the pressing time is achieved. For this purpose, the wire inserts as a radiator, either as an ohmic resistor or serve as conductors for electrical eddy currents. As a result, these wires heat the Mass from the inside, and it is so easily possible, for example plates from Any thickness can be produced in a technically perfect form in a short time.

Die Anwendung von metallenen Einlagen oder Kernen, die in derselben Weise als Heizkörper benutzt werden, ist zwar beim Vulkanisieren von Gummigegenständen bekannt, dabei werden aber die Heizeinlagen für diesen Zweck besonders vorgesehen, während gemäß der Erfindung die aus anderen Gründen vorhandenen Einlagen hierfür nutzbar gemacht werden.The application of metallic inserts or cores that are in the same Way to be used as a radiator is while vulcanizing rubber objects known, but the heating inserts are specially designed for this purpose, while, according to the invention, the deposits for this purpose that exist for other reasons can be made usable.

Claims (1)

PATENTANSPRÜCH: Verfahren zum Herstellen von Preßkörpern aus Kunstharz mit Einlagen aus Metall, insbesondere Draht- und FaserstofIgewebe, dadurch gekennzeichnet, daß die Draht- oder Metalleinlagen beim Verpressen unter Hitze und Druck elektrisch geheizt werden.PATENT CLAIM: Process for the production of pressed bodies from synthetic resin with inlays made of metal, in particular wire and fiber fabric, characterized in that that the wire or metal inserts are electrical when pressed under heat and pressure be heated.
DER87052D 1933-01-25 1933-01-25 Process for the production of molded articles from synthetic resin Expired DE599919C (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DER87052D DE599919C (en) 1933-01-25 1933-01-25 Process for the production of molded articles from synthetic resin

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
DER87052D DE599919C (en) 1933-01-25 1933-01-25 Process for the production of molded articles from synthetic resin

Publications (1)

Publication Number Publication Date
DE599919C true DE599919C (en) 1934-07-11

Family

ID=7417683

Family Applications (1)

Application Number Title Priority Date Filing Date
DER87052D Expired DE599919C (en) 1933-01-25 1933-01-25 Process for the production of molded articles from synthetic resin

Country Status (1)

Country Link
DE (1) DE599919C (en)

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE880542C (en) * 1941-04-13 1953-06-22 Norddeutsche Homogenholz Ges M Process for the production of molded articles from fiber suspensions
DE961028C (en) * 1952-09-17 1957-03-28 Stebler Saner Metallwarenfabri Method for embedding deposits in the form of nets, grids, fonts, graesers or the like in synthetic resin bodies
DE3144781A1 (en) * 1981-11-11 1983-05-19 Jürg-Heinrich Prof. Dr. 4500 Osnabrück Kallweit Process for producing deformable plastic composites
FR2637534A1 (en) * 1988-10-11 1990-04-13 Pascal Roger Method of manufacturing a composite-material component by pressing, and component obtained by this method

Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE880542C (en) * 1941-04-13 1953-06-22 Norddeutsche Homogenholz Ges M Process for the production of molded articles from fiber suspensions
DE961028C (en) * 1952-09-17 1957-03-28 Stebler Saner Metallwarenfabri Method for embedding deposits in the form of nets, grids, fonts, graesers or the like in synthetic resin bodies
DE3144781A1 (en) * 1981-11-11 1983-05-19 Jürg-Heinrich Prof. Dr. 4500 Osnabrück Kallweit Process for producing deformable plastic composites
FR2637534A1 (en) * 1988-10-11 1990-04-13 Pascal Roger Method of manufacturing a composite-material component by pressing, and component obtained by this method

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