Cronologia della pagina
4 nov 2020
nessun oggetto della modifica
-36
nessun oggetto della modifica
-32
Aggiornamento come da nuova versione della pagina di origine
+80
1 giu 2019
nessun oggetto della modifica
-44
Aggiornamento come da nuova versione della pagina di origine
+40
nessun oggetto della modifica
-1
Creata pagina con "Nowadays almost all pens are made in some kind of plastic resin, more or less shiny or resistant depending on the implementation. The evolution of technology also allows the c..."
-200
Creata pagina con "Furthermore some plastics could lend to the creation of mixed materials of considerable interest. Among them probably the most interesting was the ''Makrolon'' (the name u..."
-49
Creata pagina con "The plastic resins main disadvantage, at least at the time of their introduction, was the impossibility to produce them in anything but some solid colors. But this turned out..."
-78
Creata pagina con "When plastic resins entered the market, they showed considerable advantages, first of which was the ease of the their processing. Parts which could be made with injection mold..."
-32
Creata pagina con "But Parker was not the first manufacturer to use these new materials, well before the official launch of 51, in 1939, Waterman launched the Hundred Year model,..."
-161
Creata pagina con "The pen that more than any other is considered the prototype of plastic resins fountain pens, is the famous Parker 51, created in 1939, but marketed extensively only since..."
-71
Creata pagina con " {| class="wikitable" style="float:right; margin: auto; font-size:90%; border-collapse:collapse; margin-bottom:0.5em; margin-left:0.5em;" border="1" ! width="45%" | Materiale..."
+1
Creata pagina con "We call in a generic way <includeonly>plastic resin</includeonly><noinclude>plastic resin</noinclude> the plurality of <includeonly>materials</includeonly><noinclude>mat..."
-143
Creata pagina con "Plastic resin"
+4 602