Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired
Application number
GB1484017A
Inventor
Alfred Dunhill
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Individual
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Individual
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Publication date
Application filed by IndividualfiledCriticalIndividual
Priority to GB1484017ApriorityCriticalpatent/GB119708A/en
Publication of GB119708ApublicationCriticalpatent/GB119708A/en
A24F—SMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
A24F1/00—Tobacco pipes
A24F1/32—Selection of materials for pipes
Landscapes
Chemical & Material Sciences
(AREA)
Engineering & Computer Science
(AREA)
Materials Engineering
(AREA)
Debarking, Splitting, And Disintegration Of Timber
(AREA)
Abstract
119,708. Dunhill, A. Oct. 13, 1917 Treating by sand blast.-Before subjecting tobacco pipes to the action of a sand blast to accentuate the grain of the wood, they are first steeped in a vegetable or mineral oil and then subjected to heat, preferably by means of the apparatus described in Specification 2157/13, [Class 130, Tobaeco] After the treatment by the sand blast the projecting grain may be polished.
GB1484017A1917-10-131917-10-13Improvements in or relating to Tobacco Pipes.
ExpiredGB119708A
(en)