US3695276A - Poly(arylene sulfide) smoking element - Google Patents

Poly(arylene sulfide) smoking element Download PDF

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US3695276A
US3695276A US73071A US3695276DA US3695276A US 3695276 A US3695276 A US 3695276A US 73071 A US73071 A US 73071A US 3695276D A US3695276D A US 3695276DA US 3695276 A US3695276 A US 3695276A
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poly
arylene sulfide
bowl
article according
sulfide
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US73071A
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Harold D Coale
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Phillips Petroleum Co
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Phillips Petroleum Co
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    • AHUMAN NECESSITIES
    • A24TOBACCO; CIGARS; CIGARETTES; SIMULATED SMOKING DEVICES; SMOKERS' REQUISITES
    • A24FSMOKERS' REQUISITES; MATCH BOXES; SIMULATED SMOKING DEVICES
    • A24F1/00Tobacco pipes
    • A24F1/32Selection of materials for pipes

Definitions

  • a smoking element is made partially or wholly of a poly(ary1ene sulfide) composition.
  • the ease of molding such a composition allows molding said element in a conventional shape for a tobacco pipe or in a cigar shape.
  • H.D.COALE A T TOPNEYS 1 POLY(ARYLENE SULFIDE) SMOKING ELEMENT BACKGROUND OF THE INVENTION
  • This invention relates to smoking elements such as tobacco pipes and/or liners therefor.
  • a smoking pipe There are numerous desirable characteristics for a smoking pipe. First, it should allow the tobacco to burn at a low temperature so as to provide a cool smoke. It should be unbreakable and attractive. Further, it should require little or no breaking in. And in addition to all of the above, be low in cost. While smoking pipes are comparatively simple articles and have long been in use, full attainment of all of these qualities in a single material has eluded those skilled in the art.
  • At least the inner surface of the bowl of a smoking element is made of a poly(arylene sulfide) composition.
  • FIG. 1 is a view partially in section of a smoking pipe in accordance with one embodiment of the invention
  • FIG. 2 is a view also partially in section of another embodiment of the invention
  • FIG. 3 is a side elevation of an alternative embodiment of the invention
  • FIG. 4 is a sectional along lines 4-4 of FIG. 3.
  • poly(arylene sulfide) polymer such as is disclosed in Edmonds, Jr. et al., US. Pat. No. 3,354,129, the disclosure of which is hereby incorporated by reference.
  • the preferred material for the invention is poly(phenylene sulfide).
  • These polymers can contain conventional additives such as pigments to impart the desired color.
  • it is preferred to use a reinforced poly(arylene sulfide) composition for instance, a 50-5O mixture of poly(arylene sulfide) with asbestos, paperbestos, or glass.
  • An essential feature of this invention is the ease with which the poly(arylene sulfide) composition can be molded to form the smoking element of the invention.
  • they are made by injection molding, thus allowing low cost fabrication of the entire smoking element, including the bowl portion coming in contact with the burning tobacco.
  • the smoking pipe will generally be made in two pieces, with a poly(arylene sulfide) bowl and a separate stern, made either of poly(arylene sulfide) or some conventional material such as hard rubber, it is possible to fabricate the entire pipe as a one-piece integral unit by injection molding, utilizing separate core means for the bowl and smoke conduit.
  • the poly(arylene sulfide) smoking element can also be made by milling a cured block or compression molding a powder. The final product can be buffed to impart a high luster, if desired.
  • the entire pipe can be made inexpensively since the other elements can also be made of relatively inexpensive and easily fabricated materials.
  • the advantages of the invention low cost fabrication, cool smoking, and easy cleaning, are achieved. While it is not understood why the poly(arylene sulfide) pipe smokes cooler, this effect is achieved either with a solid bowl or with a liner, as, of course, is the easy cleaning feature. Further in this regard, it is noted that since the poly(arylene sulfide) does not burn or decompose at the temperatures encountered, the inner surface remains smooth and easily cleaned.
  • a smoking element 10 in the form of a pipe having a bowl portion 12 made of a poly(arylene sulfide) composition and a separate stern portion 14 made of hard rubber.
  • Smoke passage 16 provides communication between cavity 17 and the tip 18 of the stem.
  • FIG. 2 shows a pipe similar to that of FIG. 1 having a bowl 12a made of conventional wood materials with a liner 20 of poly( arylene sulfide).
  • FIGS. 3 and 4 show a cigar shape for a smoking element made possible by the fact that poly(arylene sulfide) is moldable.
  • a smoking element 10a having a stem portion 14a which is integral with bowl portion 12a. Tobacco is packed into cavity 17a.
  • Bowl 12a is a concentric longitudinal extension of stem 14a with a recessed upper wall 22. This element can be injection molded utilizing separate core means for forming cavity 17a and smoke passage 16a.
  • a pipe bowl of the general shape shown in FIGS. 1 and 2 was milled from a cured block of a poly(phenylene sulfide) composition comprising 50 percent poly(phenylene sulfide) and 50 percent paperbestos, a purified form of long fiber asbestos, and a stem made of hard rubber.
  • the pipe was smoked and found to smoke cool, with an absence of tongue bite. The bowl cleaned easily after use.
  • EXAMPLE II A liner just under Va-inch thick such as is shown in FIG. 2 was made from an identical poly(phenylene sulfide) composition and placed in a conventional pipe. The resulting pipe was smoked over a period of several weeks and found to smoke cool and be easily cleaned.
  • EXAMPLE III A smoking element of the shape shown in FIGS. 3 and 4 was milled from an identical poly(phenylene sulfide) block and found to smoke cool and be easily cleaned.
  • a tobacco smoking pipe having a hollow bowl and stem portions, at least the inner portion of said bowl portion comprising a poly(arylene sulfide) composition.
  • poly(arylene sulfide) is poly( phenylene sulfide).
  • poly(arylene sulfide) contains a reinforcing additive selected from the group consisting of asbestos, paperbestos, and glass.
  • poly(arylene sulfide) is a high molecular weight, high melting thermoplastic.

Abstract

A smoking element is made partially or wholly of a poly(arylene sulfide) composition. The ease of molding such a composition allows molding said element in a conventional shape for a tobacco pipe or in a cigar shape.

Description

iJnited States Patent 1 Oct. 3, 1972 Coale [54] POLY(ARYLENE SULFIDE) SMOKING ELEMENT [72] Inventor: Harold D. Coale, c/o Phillips Petroleum Company, Bartlesville, Okla. 74003 [22] Filed: Sept. 17,1970
21 Appl. No.: 73,071
[52] US. Cl. ..l3l/l9l, 131/220, 131/230 [51] Int. Cl ..A24f 01/18, A24f 01/28, A24fOl/32 [58] Field of Search ..l3 l/230, 220, 204, 219, 226,
[56] References Cited UNITED STATES PATENTS 3,308,834 3/1967 Fukedy ..l3 l/l99 X 3,354,129 11/1967 Edmonds et al, ..260/79 3,397,703 8/1968 Otto ..l3 1/204 X 62,802 3/1867 Andrews ..l3 l/226 X Martin ..l3l/230 FOREIGN PATENTS OR APPLICATIONS 12,604 1915 Great Britain ..l3l/230 OTHER PUBLICATIONS Fairholt, F. W. Tobacco: Its History & Associations. Chatto and Windus. London. 1876, pgs. 176- 178 cited.
Primary Examiner-Samuel Koren Assistant Examiner-G. M. Yahwak Attorney-Young & Quigg [57] ABSTRACT A smoking element is made partially or wholly of a poly(ary1ene sulfide) composition. The ease of molding such a composition allows molding said element in a conventional shape for a tobacco pipe or in a cigar shape.
10 Claims, 4 Drawing Figures PATENTEBUBF 3 1912 3,695. 276
[4d loci q I21:
FIG. 4
ESL/III INVENTOR.
H.D.COALE A T TOPNEYS 1 POLY(ARYLENE SULFIDE) SMOKING ELEMENT BACKGROUND OF THE INVENTION This invention relates to smoking elements such as tobacco pipes and/or liners therefor.
There are numerous desirable characteristics for a smoking pipe. First, it should allow the tobacco to burn at a low temperature so as to provide a cool smoke. It should be unbreakable and attractive. Further, it should require little or no breaking in. And in addition to all of the above, be low in cost. While smoking pipes are comparatively simple articles and have long been in use, full attainment of all of these qualities in a single material has eluded those skilled in the art.
SUMMARY OF THE INVENTION It is an object of this invention to provide a smoking element which is easily fabricated; it is a further object of this invention to provide a smoking pipe which is attractive, easily cleaned, virtually unbreakable and which requires no break in; it is a further object of this invention to provide a smoking pipe which smokes cool; and it is yet a further object of this invention to provide a smoking pipe having a cigar shape.
In accordance with this invention, at least the inner surface of the bowl of a smoking element is made of a poly(arylene sulfide) composition.
BRIEF DESCRIPTION OF THE DRAWINGS In the drawings, forming a part hereof, wherein like reference characters denote like parts in the various views, FIG. 1 is a view partially in section of a smoking pipe in accordance with one embodiment of the invention; FIG. 2 is a view also partially in section of another embodiment of the invention; FIG. 3 is a side elevation of an alternative embodiment of the invention; and FIG. 4 is a sectional along lines 4-4 of FIG. 3.
DESCRIPTION OF THE PREFERRED EMBODIMENTS By poly(arylene sulfide) is meant polymer such as is disclosed in Edmonds, Jr. et al., US. Pat. No. 3,354,129, the disclosure of which is hereby incorporated by reference. The preferred material for the invention is poly(phenylene sulfide). These polymers can contain conventional additives such as pigments to impart the desired color. In many embodiments, it is preferred to use a reinforced poly(arylene sulfide) composition, for instance, a 50-5O mixture of poly(arylene sulfide) with asbestos, paperbestos, or glass.
An essential feature of this invention is the ease with which the poly(arylene sulfide) composition can be molded to form the smoking element of the invention. Preferably, they are made by injection molding, thus allowing low cost fabrication of the entire smoking element, including the bowl portion coming in contact with the burning tobacco. While the smoking pipe will generally be made in two pieces, with a poly(arylene sulfide) bowl and a separate stern, made either of poly(arylene sulfide) or some conventional material such as hard rubber, it is possible to fabricate the entire pipe as a one-piece integral unit by injection molding, utilizing separate core means for the bowl and smoke conduit. The poly(arylene sulfide) smoking element can also be made by milling a cured block or compression molding a powder. The final product can be buffed to impart a high luster, if desired.
It is also within the scope of the invention to fabricate the entire pipe from conventional materials and utilize only a poly(arylene sulfide) liner. Even in this embodiment, the entire pipe can be made inexpensively since the other elements can also be made of relatively inexpensive and easily fabricated materials. Thus, with just the liner made of poly(arylene sulfide), the advantages of the invention, low cost fabrication, cool smoking, and easy cleaning, are achieved. While it is not understood why the poly(arylene sulfide) pipe smokes cooler, this effect is achieved either with a solid bowl or with a liner, as, of course, is the easy cleaning feature. Further in this regard, it is noted that since the poly(arylene sulfide) does not burn or decompose at the temperatures encountered, the inner surface remains smooth and easily cleaned.
Referring now to the FIGURES, particularly FIG. 1, there is shown a smoking element 10 in the form of a pipe having a bowl portion 12 made of a poly(arylene sulfide) composition and a separate stern portion 14 made of hard rubber. Smoke passage 16 provides communication between cavity 17 and the tip 18 of the stem.
FIG. 2 shows a pipe similar to that of FIG. 1 having a bowl 12a made of conventional wood materials with a liner 20 of poly( arylene sulfide).
FIGS. 3 and 4 show a cigar shape for a smoking element made possible by the fact that poly(arylene sulfide) is moldable. In this embodiment, there is shown a smoking element 10a having a stem portion 14a which is integral with bowl portion 12a. Tobacco is packed into cavity 17a. Bowl 12a is a concentric longitudinal extension of stem 14a with a recessed upper wall 22. This element can be injection molded utilizing separate core means for forming cavity 17a and smoke passage 16a.
EXAMPLE A pipe bowl of the general shape shown in FIGS. 1 and 2 was milled from a cured block of a poly(phenylene sulfide) composition comprising 50 percent poly(phenylene sulfide) and 50 percent paperbestos, a purified form of long fiber asbestos, and a stem made of hard rubber. The pipe was smoked and found to smoke cool, with an absence of tongue bite. The bowl cleaned easily after use.
EXAMPLE II A liner just under Va-inch thick such as is shown in FIG. 2 was made from an identical poly(phenylene sulfide) composition and placed in a conventional pipe. The resulting pipe was smoked over a period of several weeks and found to smoke cool and be easily cleaned.
EXAMPLE III A smoking element of the shape shown in FIGS. 3 and 4 was milled from an identical poly(phenylene sulfide) block and found to smoke cool and be easily cleaned.
While this invention has been described in detail for the purpose of illustration, it is not to be construed as limited thereby, but is intended to cover all changes and modifications within the spirit and scope thereof.
lclaim: 1. A tobacco smoking pipe having a hollow bowl and stem portions, at least the inner portion of said bowl portion comprising a poly(arylene sulfide) composition.
2. An article according to claim 1 wherein said bowl I is solid poly( arylene sulfide).
3. An article according to claim 2 wherein said poly(arylene sulfide) is poly( phenylene sulfide).
4. An article according to claim 1 wherein said bowl has an inner liner of poly( arylene sulfide).
5. An article according to claim 1 wherein said poly(arylene sulfide) contains a reinforcing additive selected from the group consisting of asbestos, paperbestos, and glass.
poly(arylene sulfide) is a high molecular weight, high melting thermoplastic.

Claims (9)

  1. 2. An article according to claim 1 wherein said bowl is solid poly(arylene sulfide).
  2. 3. An article according to claim 2 wherein said poly(arylene sulfide) is poly(phenylene sulfide).
  3. 4. An article according to claim 1 wherein said bowl has an inner liner of poly(arylene sulfide).
  4. 5. An article according to claim 1 wherein said poly(arylene sulfide) contains a reinforcing additive selected from the group consisting of asbestos, paperbestos, and glass.
  5. 6. An article according to claim 1 wherein said bowl and stem are an integral poly(arylene sulfide) molding.
  6. 7. An article according to claim 1 wherein said bowl is an essentially concentric longitudinal extension of said sTem and wherein said bowl has a recessed upper wall.
  7. 8. An article according to claim 1 wherein said poly(arylene sulfide) composition is cured poly(phenylene sulfide) containing 50 percent paperbestos.
  8. 9. An article according to claim 7 wherein said bowl and stem are an integral molding.
  9. 10. An article according to claim 1 wherein said poly(arylene sulfide) is a high molecular weight, high melting thermoplastic.
US73071A 1970-09-17 1970-09-17 Poly(arylene sulfide) smoking element Expired - Lifetime US3695276A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870979A (en) * 1986-12-31 1989-10-03 Gallaher Limited Smoker's pipe
USD795642S1 (en) * 2015-06-23 2017-08-29 Chambong Industries Llc Drinking apparatus
US20190208810A1 (en) * 2018-01-11 2019-07-11 Brian Stall Brass Smoking Pipe

Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US62802A (en) * 1867-03-12 And charles e
GB191512604A (en) * 1915-09-02 1916-08-24 Hugh Young Glen Improvements in the Manufacture of Tobacco Pipes and the like and in the Material employed therefor.
US2245489A (en) * 1940-02-26 1941-06-10 Floyd L Martin Process for the manufacture of meerschaum pipes
US3308834A (en) * 1960-05-05 1967-03-14 Wideen-Furedy Christina Pipe
US3354129A (en) * 1963-11-27 1967-11-21 Phillips Petroleum Co Production of polymers from aromatic compounds
US3397703A (en) * 1966-07-29 1968-08-20 Missouri Meerschaum Co Pipe with replaceable corncob inner bowl

Patent Citations (6)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US62802A (en) * 1867-03-12 And charles e
GB191512604A (en) * 1915-09-02 1916-08-24 Hugh Young Glen Improvements in the Manufacture of Tobacco Pipes and the like and in the Material employed therefor.
US2245489A (en) * 1940-02-26 1941-06-10 Floyd L Martin Process for the manufacture of meerschaum pipes
US3308834A (en) * 1960-05-05 1967-03-14 Wideen-Furedy Christina Pipe
US3354129A (en) * 1963-11-27 1967-11-21 Phillips Petroleum Co Production of polymers from aromatic compounds
US3397703A (en) * 1966-07-29 1968-08-20 Missouri Meerschaum Co Pipe with replaceable corncob inner bowl

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
Fairholt, F. W. Tobacco: Its History & Associations. Chatto and Windus. London. 1876, pgs. 176 178 cited. *

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4870979A (en) * 1986-12-31 1989-10-03 Gallaher Limited Smoker's pipe
USD795642S1 (en) * 2015-06-23 2017-08-29 Chambong Industries Llc Drinking apparatus
US20190208810A1 (en) * 2018-01-11 2019-07-11 Brian Stall Brass Smoking Pipe

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