Leggett v. Standard Oil Co.

38 F. 842, 1889 U.S. App. LEXIS 2219

This text of 38 F. 842 (Leggett v. Standard Oil Co.) is published on Counsel Stack Legal Research, covering U.S. Circuit Court for the District of Southern New York primary law. Counsel Stack provides free access to over 12 million legal documents including statutes, case law, regulations, and constitutions.

Bluebook
Leggett v. Standard Oil Co., 38 F. 842, 1889 U.S. App. LEXIS 2219 (circtsdny 1889).

Opinion

Shipman, J.

This is a bill in equity to restrain the defendant from the infringement of reissued letters patent, applied for January 24,1874, [843]*843issued March 10. 1874, to Edward W. Leggett, for an improved* mode of lining the inside of oil-barrels with glue. The original patent was dated October 21,1873. The ordinary dried glue of commerce is usually made from the trimmings of skins, which come from slaughter-houses and tanneries, as follows: The skins are soaked in water and lime to remove the fat and grease, and are then thoroughly washed and exposed to the air, or may be treated with a solution of acid to remove the lime; for the presence of lime, after it has performed its original office, is exceedingly injurious to the glue. The stock is then boiled by the application of steam-heat, and when the solution has been effected by boiling the liquid glue is run into moulds, and allowed to set and form a jelly. The jelly is cut into slices, which are spread upon nets and dried. The drying part of the process is simply to bring the glue to a condition in which it will keep permanently, and can be transported, and be a merchantable article; for either liquid glue or jelly glue, unless mixed with antiseptics, quickly and easily attracts impurities from the atmosphere, decomposes, and is spoiled. In order to make glue a commercial article for general use it must be dried. This part of the process is the most expensive, because the jelly glue is easily influenced by atmospheric changes, and, when thus affected, will not dry, but melts, and becomes worthless. Before 1874, hydro-carbon oil-barrels were prevented from leaking by pouring into them a sufficient quantity of hot glue, rolling the barrels, and thus permitting a lining or coating of glue to be poured upon the inside of the barrels. The liquid glue for this purpose was made in the ordinary way by melting dried glue, and heating the solution. The invention consisted in applying directly to the barrels hot liquid glue, or “glue soup,” before it bad been subjected to the cooling or drying part of the ordinary process of manufacture. The patentee describes bis invention in the specification of the reissued patent as follows:

It “consists in preparing, l'rom any glutinous substance, glue soup, said soup being permitted to attain but a certain consistency, and then applied directly as a coating or sizing. In carrying out my invention I proceed as follows: Take any of the materials from which glue may be made, and proceed in the usual or any suitable manner for the manufacture of glue, until the soup has attained a certain consistency. This consistency must be considerably less than that which is required whereby semi-fluid, solid, or cake glue is to be produced, and, -while it is in this half-finished state, so to speak, it is applied direetly to the inside of the barrel or cask, where, alter due evaporation, it will be found that said cask or barrel is lined thoroughly and completely with the material, inasmuch as a pressure of steam generated by heat applied is sufficient to force the thin glutinous fluid or soup well into the poros, fibers, and recesses of the wood, thus insuring a perfect lining. I am aware that barrels, etc., have been lined or coated with gluo of commerce, when said glue has been sujected to a process of reduction by dilution from its original consistency to a sufficiently liquid state; but I am not aware of any process wherein the glutinous material has been permitted to attain only its proper consistency for the purpose specified, and then applied directly; thus saving the time, labor, and expense heretofore employed by continuing the manufacture of the gelatinous soup until it has attained a glutinous condition; thus necessitating a reduction by diluting and reheating before it is fit for application, as set [844]*844forth in this specification, traveling over, as it were, the same ground backward and forward two or three times, whereas, by my process, this trouble is entirely dispensed with, by operating as within described. This invention lias nothing to do with the Ordinary glue-lined barrel, but relates to a new and inexpensive mode or process of making barrels, casks, etc., better adapted to the purpose designed, by coating or sizing, as set forth, than by the ordinary means. Heretofore glue has been taken in its completed state as an article of manufacture, reheated, diluted, and then applied; 'but such a process necessarily carries with it all the expense of preparing the glue at first as an article of trade or commerce. My process contemplates taking the said soup when at a proper consistency, and applying it to the inside of the package; permitting it to harden for the first time upon that surface. The distinguishing feature of this improvement may be found, on examination, to be the superior integrity of the lining by the use of soup glue. By its peculiar character it is more freely absorbed by the wood, penetrating into the fiber deeper than by the ordinary mode. Hence the sizing or coating is not only upon the. sfirface, but penetrates into the wood, thereby presenting a thicker covering to' the action of the oil, and this sizing is not liable to be broken off or cracked in. handling the cask, as part of the coating is absorbed into the fiber and cells óf the wood, which gives additional strength to it.”

The claims are as follows:

“(1) The within-described process of coating or lining the inside of barrels, casks,'etc., wherein the glutinous material, instead of being produced by reduction from a previously solid state, is permitted to attain only a certain liquid consistency, and is then applied to the package and permitted to harden thereon for the first time, substantially as herein set forth and described. (2) A barrel, cask, etc., coated or sized by the material, and by the'mode or process, whereby it is absorbed into and strengthened by the wood fiber, substantially as herein described.”

The patented process has been very extensively used by the defendant. Such use commenced after the date of the patent.

The question which first and most strongly presents itself is that of the patentability of the described and patented process. Upon this question the plaintiff’s counsel insist thqt a solution of glue formed in the course of the original boiling and a solution of glue formed by dissolving the dried glue, are not identical; that the latter is subject to changes only partially understood, but. positive and efficient, whereby the adhesive property of the gelatine is diminished; that, although this was theoretically known at the date of the invention, and although jelly glue was,, at the same date, so treated as to last without decomposition, the use of glue fresh from the tubs was unknown; that dried glue dissolved was the only thing that was used, and glue fresh from the boiling-pot was not a known substitute for dissolved dried glue in the lining of oil barrels; that no one then knew or believed that it could be used for that purpose; but that Leggett made the practical discovery that glue, in the boiling state, and before it was dried, made á more efficient and economical article for the uses of the oil refiner than remelted dried glue, and that thus a new process was created, by which a large and expensive part of the'old process was avoided. It must be regarded as proved that before the date of the invention practical experts believed that remelted drieil glue was inferior in adhesiveness and binding qualities to hot and un-[845]*845dried glue. Thus it was stated in Wagner’s Yearly Report of Chemical Technology for 1869 (volume 15, p.

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Bluebook (online)
38 F. 842, 1889 U.S. App. LEXIS 2219, Counsel Stack Legal Research, https://law.counselstack.com/opinion/leggett-v-standard-oil-co-circtsdny-1889.