PL127305B1 - Moulding sand in particular for making cast iron castings - Google Patents

Moulding sand in particular for making cast iron castings Download PDF

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Publication number
PL127305B1
PL127305B1 PL22207080A PL22207080A PL127305B1 PL 127305 B1 PL127305 B1 PL 127305B1 PL 22207080 A PL22207080 A PL 22207080A PL 22207080 A PL22207080 A PL 22207080A PL 127305 B1 PL127305 B1 PL 127305B1
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PL
Poland
Prior art keywords
weight
parts
sand
mixture
amount
Prior art date
Application number
PL22207080A
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English (en)
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PL222070A1 (pl
Inventor
Karol Chudoba
Stanislaw Korpala
Andrzej Nowak
Tomasz Szczurek
Henryk Wasowicz
Stanislaw Zabek
Zbigniew Stefanski
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Inst Odlewnictwa
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.)
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Publication date
Application filed by Inst Odlewnictwa filed Critical Inst Odlewnictwa
Priority to PL22207080A priority Critical patent/PL127305B1/pl
Publication of PL222070A1 publication Critical patent/PL222070A1/xx
Publication of PL127305B1 publication Critical patent/PL127305B1/pl

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Claims (2)

  1. Zastrzezenia patentowe 1. « Masa formierska, zwlaszcza do wytwarzania odlewów zeliwnych, skladajaca sie z piasku w ilosci do 100 czesci wagowych i bentonitu w ilosci 5-12 czesci wagowych lub szkla wodnego w ilosci 2-6 czesci wagowych, znamienna t y m, ze na 100 czesci wagowych piasku, korzystnie piasku kwarcowego zawiera 0,2-10 czesci wagowych smoly poku- menowej bedacej pozostaloscia po oddestylowaniu skladników wrzacych w temperaturze poni~ zej 2^0°C z mieszaniny bedacej produktem katalitycznej alkalizacji benzenu etylenem lub propylenem, a skladajacej sie z 3-80 czesci wagowych dwutenylu i alkilowanych pochodnych dwutenylu oraz innych dwupierscieniowych weglowodorów aromatycznych, 30-80 czesci wago- wych polipropylenów i polibutylobenzenów, 5-30 czesci wagowych weglowodorów wielocyklicz- nych i zywic*
  2. 2. Masa formierska wedlug zastrz* 1, znamienna tym, ze zawiera smole poku- menowa wystepujaca w postaci mieszaniny z pylem weglowym w ilosci 5-20 czesci wagowyoh smoly pokumenowej na 100 czesci wagowyoh pylu weglowego, a ilosc mieszaniny w masie for¬ mierskiej wynosi 2-4 czesci wagowe mieszaniny na 100 czesci wagowych piasku. PL
PL22207080A 1980-02-15 1980-02-15 Moulding sand in particular for making cast iron castings PL127305B1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PL22207080A PL127305B1 (en) 1980-02-15 1980-02-15 Moulding sand in particular for making cast iron castings

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PL22207080A PL127305B1 (en) 1980-02-15 1980-02-15 Moulding sand in particular for making cast iron castings

Publications (2)

Publication Number Publication Date
PL222070A1 PL222070A1 (pl) 1981-08-21
PL127305B1 true PL127305B1 (en) 1983-10-31

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ID=20001388

Family Applications (1)

Application Number Title Priority Date Filing Date
PL22207080A PL127305B1 (en) 1980-02-15 1980-02-15 Moulding sand in particular for making cast iron castings

Country Status (1)

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PL (1) PL127305B1 (pl)

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Publication number Publication date
PL222070A1 (pl) 1981-08-21

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