zippo, clipper, & bic lighters planned obsolescence of customization or better design, good example?

1973 the first adjustable flame BIC full-size butane pocket lighter
as a necessity could be dialed up or down as the gas depleted
in its 1 hours burn time, of 3600 ignitions & sit 30 years in storage
Flame should not exceed 120mm if adjustable & be under 50mm

1987 Bic's constant flow rate porous membrane mass produced
flame regulator ended the necessity of adjustment & lowered the
complexity, costs, failure rate, user tampering, safety incidents

a 30 minute 1800 ignition mini Bic uses the same 4K spark wheel in
a lighter created by Marcel Bich, 12 minute continuous burn max like
a modular refillable 1972 clipper
vs
1932 , the 200? light & 37 minute continuous burn Chromed Brass Zippo
added a lift able refill pad in 1943 that can pack flints & a folded 4" wick

see also YouTube Black Owl Outdoors 2015 Lighter Tests

https://youtu.be/mZJxcYz5dJY 12 minute continuous burn max clipper & zippo
https://corporate.bic.com/en-us/our-story
https://i.pinimg.com/originals/a1/29/67/a129677c012acd0f25fae1e10f46297d.jpg
https://www.facebook.com/DesignMuseumBrussels/photos/a.1689402827962635/2202733456629567/?type=3
https://archive.ph/h0HFe
http://youtu.be/TcGRG8345K8 zippo Gasket http://amzn.to/2N3G8hq
https://archive.ph/KOvpi

http://www.glenzippo.co.uk/date/1933.htm
http://www.glenzippo.co.uk/date/203dating.htm
http://www.glenzippo.co.uk/date/1955to1965.htm
https://en.wikipedia.org/wiki/Zippo
https://en.wikipedia.org/wiki/Clipper_(lighter)
https://en.wikipedia.org/wiki/Bic_(lighter)
http://webooo.csidenet.com/okzippo/out1e.html

https://imgur.com/a/6ZXFO9Z
= other citations archived due to youtube link bot & censor flag threats

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