Патент USA US2410898код для вставки
I 2.410.898 Patented Nov. 12, 1946 UNITED‘ STATES PATENT OFFICE 2,410,898 METHOD OF TREATINGIUR Attilio Pierini, Spring?eld Gardens, N. Y. No Drawing. Application February 18, 1946, Serial No. 648,553" ' . I.5Claims. (or. 69-22) I 1 . lamb wool. > ‘ . ‘ 2 ’ preferably, ‘er with one of the group consisting of helium,largon, neon, krypton and xenon, or I create such an atmosphere at the point where‘ the fur oi the pelt contacts the drum. Optionally, This invention relates to a method of treating fur, and more particularly to a method of treating - Among the objects of the invention is to-pro vide a method of treating fur to create or pre I then dye the fur. In its broadest aspect my invention resides in serve one or more of the following: namely, to - assist in straightening of the fur, to'minlmize felting, to preserve elasticity and strength of the fur, to minimize the possibility of injury by ?ex ure of the fur, to impart luster to the fur, to 1,0 minimize the effect of moisture on the fur, and’ the steps of "wetting the fur with water or some other desirable liquid, and then passing it in pres sure contact with the revolving heated drum while maintaining the fur in an atmosphere of helium, pre'gterably', or of one of the group above identi?ed. to create an atmosphere that will tend to prevent ‘ burning or singeing of the fur during itsdryin'g ' described or my speci?c steps be employed, the Whether the formaldehyde method heretofore treatment, and to generally improve the condi» creation of an atmosphere of helium around the tion of the fur so that it will be useful ' garments fur during the hot drum treatment will maintain Y and like articles. ' At the present time fur, such as lamb’s wooL-is treated‘by, among others, the following process: 7 The skin of the pelt is tanned as, for instance, or impart to the fur one or more of the charac teristics set forth in my stated objects of inven »tion above set forth. Moreover, the use of helium, or one of the above by the chrome or other heat resistant tanning. :20 identi?edgroup, will afford a measure of protec The pelt is then dried in a drying atmosphere, ‘ ,tion, for the workmen inasmuch as the use of after which the wool is, if ‘desired,'sheared,’ " ‘helium, or‘ one of the above identi?ed group, will cleaned in a sawdust-containing rotary drum, and I dispense with the necessity for using formalde then combed in a dry atmosphere. Theshearing', hyde in vone aspect of the inventionand the cleaning and combing steps are repeated as often 25 workmen fwillthus be relieved ofv being subjected as is desirable under the existent conditions. The to the ‘detrimental effect of the formaldehyde fur of the pelt is then treated, as by brushing and other fumes that are incident to the treat or submergence, with, among other things, ment.. Even'when the formaldehyde method is formaldehyde, and is combed in the presence of used the presence of helium, or one of the ‘above heat, which is said to improve its condition for 30 identi?ed group, in'the surrounding atmosphere use in garments or the like. If desired, the fur will afford a measure of protection for the work is then dyed. men. . While my method is applicable to other furs, Thus it will be seen that I have created a I shall describe it in connection with the treat method and'steps of a method of treating fur, ment of lamb’s wool while the wool is on the 35 preferably on the pelt and which is particularly skin, or otherwise stated in situ. applicable to curly lamb’s wool, that may be used In one phase of my invention I follow the tan in straightening the wool and in imparting to hing, drying and shearing steps outlined above, the wool or preserving in the wool, elasticity, the shearing step being only performed when it flexibility, strength, freedom from singeing or is‘desired to shorten the fur from its original 40 burning, freedom from felting, luster and a de length. I then apply water to the fur, as for in gree of repellency to moisture. ' stance, by brushing, spraying or submergence. While I have described a particular form of The pelt is then passed under a high speed re my method, I do not wish to be limited to the volving drum, of the type now commonly used speci?c steps or sequence of steps described ex in the art for combing, and pressed against the 45 cept in so far as they are recited in the claims. drum with the fur side in contact with‘ the drum. I claim: The pelt is passed back and forth in pressure 1. A method of treating fur on a pelt which in contact with this drum while the temperature ' eludes combing the same in the presence of mois ture and heat and in an atmosphere of helium. dry the fur which is, indeed, sui?cient to burn 50 2. A method of treating fur on a pelt which or singe the fur if proper speed of movement of includes applying moisture to the fur, raising the of the drum is elevated to a degree su?icient to the pelt is not maintained. temperature of the fur to a degree normally suffi 'During'the passage of the pelt back and forth cient to singe the fur, applying helium to the in contact with the revolving heated drum, I fur and combing the fur. , ' surround the drum with an atmosphere of helium, 55 3. A method of treating fur on a pelt which in ,k 1 ‘g eludes combing the same in the presence of water and heat and in an atmosphere of helium. 4. A method 01' treating fur on a pelt which 5. A method of treating fur on a pelt which in eludes combing the same in the presence of mois ture and heat and in an atmosphere of one 0! includes applying water to the fur, raising the the group consisting of helium, arson, krypton, temperature of the fur to a degree normally su?i- 5 neon and xenon. cient to singe the fur, applying helium to the : fur and combing the fur. A'I'I'IIIO PIERJNI.