PL2088B1 - Sposób zmiekczania drzewa niecedrowego, uzywanego do wyrobu olówków i nadawania mu cech wlasciwych drzewu cedrowemu. - Google Patents

Sposób zmiekczania drzewa niecedrowego, uzywanego do wyrobu olówków i nadawania mu cech wlasciwych drzewu cedrowemu. Download PDF

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Publication number: PL2088B1
Authority: PL; Poland
Prior art keywords: wood; softening; unchanged; giving; cedar tree
Prior art date: 1924-10-21

Application number

PL2088A

Other languages

English (en)

Filing date

1924-10-21

Publication date

1925-06-30

1924-10-21 Application filed filed Critical

1925-06-30 Publication of PL2088B1 publication Critical patent/PL2088B1/pl

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Description

W zastepstwie drzewa cedrowego sto¬ sowane bywa dla oprawiania precików gra¬ fitowych w olówkach drzewo olchowe, drzewo to jednak w naturalnym stanie ja¬ koscia swa zastapic drzewa cedrowego nie moze, gdyz jest za twarde i zle sie daje temperowac.Celem zmiekczenia drzewa oraz nada¬ nia mu wlasciwosci drzewa cedrowego sto¬ suje sie przesycanie takowego pod Wyso¬ kiem cisnieniem mieszanina lugowo-tlu- szczowa (rodzaj mydlanej substancji). PL PL

PL2088A 1924-10-21 Sposób zmiekczania drzewa niecedrowego, uzywanego do wyrobu olówków i nadawania mu cech wlasciwych drzewu cedrowemu. PL2088B1 (pl)

Publications (1)

Publication Number	Publication Date
PL2088B1 true PL2088B1 (pl)	1925-06-30

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