US1178546A - Process of treating the surface of articles made of cured carbon. - Google Patents

Process of treating the surface of articles made of cured carbon. Download PDF

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Publication number
US1178546A
US1178546A US58344610A US1910583446A US1178546A US 1178546 A US1178546 A US 1178546A US 58344610 A US58344610 A US 58344610A US 1910583446 A US1910583446 A US 1910583446A US 1178546 A US1178546 A US 1178546A
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United States
Prior art keywords
carbon
treating
articles made
coating
cured carbon
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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 - Lifetime
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US58344610A
Inventor
Joseph L K Snyder
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
National Carbon Co Inc
Original Assignee
Nat Carbon Co
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Publication date
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Priority to US58344610A priority Critical patent/US1178546A/en
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Publication of US1178546A publication Critical patent/US1178546A/en
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Classifications

    • H—ELECTRICITY
    • H05—ELECTRIC TECHNIQUES NOT OTHERWISE PROVIDED FOR
    • H05K—PRINTED CIRCUITS; CASINGS OR CONSTRUCTIONAL DETAILS OF ELECTRIC APPARATUS; MANUFACTURE OF ASSEMBLAGES OF ELECTRICAL COMPONENTS
    • H05K3/00—Apparatus or processes for manufacturing printed circuits
    • H05K3/38—Improvement of the adhesion between the insulating substrate and the metal
    • H05K3/381—Improvement of the adhesion between the insulating substrate and the metal by special treatment of the substrate
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10T—TECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00—Stock material or miscellaneous articles
    • Y10T428/30—Self-sustaining carbon mass or layer with impregnant or other layer

Definitions

  • Y Articles made from carbon and cured by heat have a very hard, smooth, dense external' shell or skin.
  • carbon articles There are many uses for which said carbon articles are adapted, which requirethe application of some surface coating. It is very difficult, however, to cause such coating to adhere suitably to thei smooth, dense external skin of the artic e.
  • This invention relates to a process for overcoming this difiiculty, and consists in making the skin more porous by dipping in 2. suitable liquid agent, heating the article to drive out the volatile part of said'agent,
  • a preferred way for carrying out the process is to dip the carbon article in the solution for about 30 seconds, removing it therefrom, and c yeringi.-J Zithih0t-9 5e to drive off the volatile part of the liquid, though the heating obviously may be carried on in other ways.

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  • Engineering & Computer Science (AREA)
  • Manufacturing & Machinery (AREA)
  • Microelectronics & Electronic Packaging (AREA)
  • Application Of Or Painting With Fluid Materials (AREA)

Description

M Isl/89546 5R UNITED STATES PATEN OFFICE.
JOSEPH L. K. SNYDER, OF CLEVELAND, OHIO, ASSIGNOB. 'TO NATIONAL CARBON COMPANY, OF CLEVELAND, OHIO, A. CORPORATION OF NEW JERSEY.
PROGESS-OF TREATING THE SURE-ACE OF ARTICLES F CURED' CARBON.
No Drawing.
To all whom it may concern:
Be it known that I, J osnrn L. K. SNYDER, a citizen of the United States, residing at Cleveland, in the county of Cnyahoga and State of Ohio, have invented a certain new and useful Improvement in Processes of Treating the Surface of Articles Made of Cured Carbon, of which the following is a full, clear, and exact description.
Y Articles made from carbon and cured by heat have a very hard, smooth, dense external' shell or skin. There are many uses for which said carbon articles are adapted, which requirethe application of some surface coating. It is very difficult, however, to cause such coating to adhere suitably to thei smooth, dense external skin of the artic e.
This invention relates to a process for overcoming this difiiculty, and consists in making the skin more porous by dipping in 2. suitable liquid agent, heating the article to drive out the volatile part of said'agent,
and then applying the coating. I have found that either an acid such as sulfuric acid, or an alkali, came soda solution, will make the skinnfithcn ilfi lql29rous when used as theli'qnidggent in the process desgribed. I ani unabl e to advance a theory Specification of Letters Patent.
Patented Apr. 11, 1916.
Application filed September 23, 1910. Serial No. 583,446.
for the phenomena, but the fact remains that carbon articles are made porous by the treatment. After having opened the pores of the articlethe coating that is to be applied to the carbon article adheres tenaciously, as the same enters the minute interstices in the skin.
A preferred way for carrying out the process is to dip the carbon article in the solution for about 30 seconds, removing it therefrom, and c yeringi.-J Zithih0t-9 5e to drive off the volatile part of the liquid, though the heating obviously may be carried on in other ways.
Having described my invention, what I claim 1s 1 I 1. The process of coating carbon artlcles,
which consists in opening the pores in the skin and then applying the coating.
2'. The process of coating carbon articles, which consists in dipping t he article in a liquid such'as anacid or an alkali, heating the article and then applying the coating.
In testimony whereof, I hereunto affix my signature in JOSEPH L. K. SNYDER. Witnesses: E. L. Tmmsron, H. R. SULLIVAN.
copies of this patent may be obtained for five cents each, by addressing the Commissioner of Patent,
' walhingtoml). O. r
the presence of two witnesses.
3 as c.
US58344610A 1910-09-23 1910-09-23 Process of treating the surface of articles made of cured carbon. Expired - Lifetime US1178546A (en)

Priority Applications (1)

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US58344610A US1178546A (en) 1910-09-23 1910-09-23 Process of treating the surface of articles made of cured carbon.

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US58344610A US1178546A (en) 1910-09-23 1910-09-23 Process of treating the surface of articles made of cured carbon.

Publications (1)

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US1178546A true US1178546A (en) 1916-04-11

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615932A (en) * 1949-03-24 1952-10-28 Olga Burkli Process for manufacturing porous carbon electrodes
US3637424A (en) * 1969-06-11 1972-01-25 Us Air Force Treated carbon cloth for the preparation of composite structures and method of treatment

Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2615932A (en) * 1949-03-24 1952-10-28 Olga Burkli Process for manufacturing porous carbon electrodes
US3637424A (en) * 1969-06-11 1972-01-25 Us Air Force Treated carbon cloth for the preparation of composite structures and method of treatment

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