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Dunhill: Difference between revisions
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[[File:Shellloringpat.jpg|thumb|right| Patent Example © J. Loring.]] | [[File:Shellloringpat.jpg|thumb|right| Patent Example © J. Loring.]] | ||
Jonathan Guss and Jesse Silver, important members of our community, point out inconsistencies in the main story that is widespread, in which it states that the blasting in pipes is authored by Dunhill. The blasting technique was invented in 1870 and patented by Benjamin Chew Tilghman, 47 years before Dunhill used it in his pipes. There is no way to say for sure who was the first who applied the concept in pipes. There are clues and theories that point to sandblasting performed in pipes before Dunhill, by [[Barling]], for example, in a model called "Niblick" in mid-1917. Guss points out that the patent is more related to the process than the thing itself, the blasting | Jonathan Guss and Jesse Silver, important members of our community, point out inconsistencies in the main story that is widespread, in which it states that the blasting in pipes is authored by Dunhill. The blasting technique was invented in 1870 and patented by Benjamin Chew Tilghman, 47 years before Dunhill used it in his pipes. There is no way to say for sure who was the first who applied the concept in pipes. There are clues and theories that point to sandblasting performed in pipes before Dunhill, by [[Barling]], for example, in a model called "Niblick" in mid-1917. Guss points out that the patent is more related to the process than the thing itself, the blasting. Alfred Dunhill explained the process of curing oil and sandblasting in his patent application: | ||
<blockquote>"This invention refers to the treatment of the surface of the pipe, for decorative purposes. This is the process by which the grain is accentuated in relief, thus giving the wood a very elegant appearance, without interfering in the durability and quality of the pipe. Although sand blasting has been used previously for the treatment of wood surface and grain accentuation, I have found in practice that this treatment alone did not give satisfactory results, as there is a tendency for wood to fissure, Result that does not occur with my auxiliary process of treatment by maceration in oil and heat. | <blockquote>"This invention refers to the treatment of the surface of the pipe, for decorative purposes. This is the process by which the grain is accentuated in relief, thus giving the wood a very elegant appearance, without interfering in the durability and quality of the pipe. Although sand blasting has been used previously for the treatment of wood surface and grain accentuation, I have found in practice that this treatment alone did not give satisfactory results, as there is a tendency for wood to fissure, Result that does not occur with my auxiliary process of treatment by maceration in oil and heat. | ||
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After that, the wood is subjected to the action of the sandblasting, which removes the hardened oil coating and also infers the cutting effect. If the result is not satisfactory, it will be soaked again in oil, treated with heat and sandblasting; And so on, as many times as necessary, according to the extent to which you want to accentuate the grain or highlight it in relief. The resulting piece is extremely beautiful and constitutes an admirable smoking tobacco pipe."</blockquote> | After that, the wood is subjected to the action of the sandblasting, which removes the hardened oil coating and also infers the cutting effect. If the result is not satisfactory, it will be soaked again in oil, treated with heat and sandblasting; And so on, as many times as necessary, according to the extent to which you want to accentuate the grain or highlight it in relief. The resulting piece is extremely beautiful and constitutes an admirable smoking tobacco pipe."</blockquote> | ||
Alfred's invention therefore concerns the treatment and healing of the Briar in oils, strengthening it as it removes impurities. | |||
<gallery mode="packed-hover" widths=120px heights=120px> | |||
File:Shellp1.jpg|©Arno665. | |||
File:Shellp2.jpg|©Arno665. | |||
File:Shellp3.jpg|©Arno665. | |||
</gallery> | |||
[[Image:DunhillI.jpg|thumb|right|A 1937 Shell LB, G.L. Pease collection[http://pipedia.org/index.php?title=The_Mystery_of_the_White_Spot_-_Pipes_from_Dunhill]]] | [[Image:DunhillI.jpg|thumb|right|A 1937 Shell LB, G.L. Pease collection[http://pipedia.org/index.php?title=The_Mystery_of_the_White_Spot_-_Pipes_from_Dunhill]]] | ||