Page history
4 November 2020
27 August 2019
25 August 2019
no edit summary
-40
Aggiornamento come da nuova versione della pagina di origine
+40
Creata pagina con "Another variant is the one patented by Soennecken in 1930, which provides for an ebonite button hidden by a shell by rotating which you can reach the loading button and op..."
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Creata pagina con "Nevertheless, the system was quite successful and was reused by various European manufacturers. In particular, an interesting variant is the ''push-knob'' made by Montbl..."
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Creata pagina con "In fact, in addition to the previous advantages, this system also has some disadvantages. First of all, the system is more cumbersome and requires a good positioning of the fl..."
-27
Creata pagina con "Pressing the button causes the rod to bend towards the center of the pen, causing the sac compression. Again, a pressure bar is used to make the sac more evenly compressed. Th..."
-156
Creata pagina con "In this case, the system requires that the compression of the rubber sac is carried out through a flexible metal strip (often called "''I-bar''") that is curved by pressin..."
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Creata pagina con "center|500px|Diagram of a pen with ''button filler''"
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Creata pagina con "The ''button filler'' was introduced by Parker in 1913.<ref>at least as reported on [http://www.parkerpens.org/luckycurve.html this story] of the initial Parker models..."
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Creata pagina con "Button filler"
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