DK149571B - Process for the simplified drying of pelts from mink, foxes and other wild animals with the aid of conditioned air - Google Patents

Process for the simplified drying of pelts from mink, foxes and other wild animals with the aid of conditioned air Download PDF

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Publication number
DK149571B
DK149571B DK73784A DK73784A DK149571B DK 149571 B DK149571 B DK 149571B DK 73784 A DK73784 A DK 73784A DK 73784 A DK73784 A DK 73784A DK 149571 B DK149571 B DK 149571B
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DK
Denmark
Prior art keywords
skins
drying
mink
pelts
foxes
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DK73784A
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Danish (da)
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DK73784A (en
DK73784D0 (en
Inventor
Mogens Boeg
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Mogens Boeg
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Priority to DK73784A priority Critical patent/DK149571B/en
Publication of DK73784D0 publication Critical patent/DK73784D0/en
Publication of DK73784A publication Critical patent/DK73784A/en
Publication of DK149571B publication Critical patent/DK149571B/en

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  • Treatment And Processing Of Natural Fur Or Leather (AREA)
  • Fodder In General (AREA)

Description

149571149571

Den foreliggende opfindelse angår en fremgangsmåde til tørring af rå mink-5 skind, ræveskind og andre vildtskind.The present invention relates to a method for drying raw mink skins, fox skins and other wild skins.

Ved tørring af rå skind efter hidtil kendte, forskellige metoder, er det ikke muligt at opnå en ensartet tørring af skindene på grund af forskelligheden af læderhudens tykkelse, mængden af dækhår og underuldens beskaffenhed og mængde. Disse faktorer bevirker, at skindene tørrer uensartet, når de skal 10 tørres i større antal i samme rum og med samme konditioneringsanlæg. En yderligere mangel ved kendte metoder er, at tørretiden er uensartet på grund af, at der arbejdes med samme lufttemperatur og luftfugtighed på lædersiden som på hårsiden. Dette har til følge, at nogle skind efter en given, forudbestemt tørretid er stive og hårde, mens andre er bløde og mugne, især i halepartiet·.By drying raw skins according to known various methods, it is not possible to achieve uniform drying of the skins due to the difference in the thickness of the leather skin, the amount of cover hair and the nature and quantity of the wool. These factors cause the skins to dry uniformly when they have to be dried in greater numbers in the same room and with the same conditioning system. A further shortcoming of known methods is that the drying time is uneven because of the same air temperature and humidity on the leather side as on the hair side. As a result, some skins after a given predetermined drying time are stiff and hard, while others are soft and moldy, especially in the tail section.

15 Et mink- eller ræveskind skal have em bestemt smidighed, bestemt af tørreprocessen, for at præsentere sig optimalt ved bedømmelsen af skindets kvalitet. -Hvis denne smidighed ikke opnås, forringes skindenes værdi ved bedømmelse og salg på. auktionen, og der opnås en lav pris, hvis de kan blive solgt på auktionen. Kasseres skindene på grund af mugdannelser eller sælges de som ukurante 20 skind på grund af stivhed eller mug til en yderligere lavere pris, medfører dette et meget stort tab for pelsdyravlerne, endvidere forårsager tørring, som den faktisk praktiseres, at luftfugtigheden påvirker tanen, der er fremstillet af træ, ved at denne optager vand, med en udvidelse og deformering til følge, på grund af, at skindet påvirker tanen med tryk.15 A mink or fox fur must have a certain agility, determined by the drying process, in order to present itself optimally when assessing the quality of the fur. -If this agility is not achieved, the value of the skins is reduced by judgment and sale. the auction and a low price is obtained if they can be sold at the auction. If the skins are discarded as a result of mold or are sold as unkind 20 skins due to stiffness or mold at a further lower price, this results in a very great loss to the furry breeders, further causing drying, as it is practiced, that the humidity affects the tan which is made of wood by absorbing water, resulting in expansion and deformation, due to the fact that the skin affects the tan with pressure.

25 Formålet med den foreliggende opfindelse er en tørremetode, hvor man opnår en ensartet, optimal tørring, samtidig med, at alle skindene bliver smidige og tørre, uden at der opstår for stor stivhed eller tendenser til mugdannelser, uanset skindets beskaffenhed.The object of the present invention is a drying method in which a uniform, optimal drying is obtained, while all the skins become supple and dry, without any excessive stiffness or tendency to mold, irrespective of the nature of the skins.

Fremgangsmåden ifølge opfindelsen er ejendommelig derved, at skindene tørres 30 med en markant forskellig luftkondition på yderside og inderside og med lavere styret luftfugtighed af gennemstrømmende luft på lædersiden og en højere, styret luftfugtighed af omgivende luft på skindets yderside, idet skindene er ophængt til tørring i rum på tørrekasser med tanestutse.The method according to the invention is characterized in that the skins are dried with a markedly different air conditioning on the outside and inside and with lower controlled humidity of flowing air on the leather side and a higher controlled humidity of ambient air on the outside of the skin, the skins being suspended for drying. compartments on drying boxes with tanstushes.

Eksempelvis kan skindene gennemstrømmes med luft af en konstant temperatur 2 149571 på mellem 15°C og 18°C og med en relativ fugtighed mellem 45¾ og 60¾, samtidig med, at der i luften uden på skindet hersker en fast indstillet og styret relativ luftfugtighed på mellem 55% og 65¾ relativ fugtighed ved en fast indstillet temperatur mellerm 16°C og 19°C.For example, the skins can be flowed with air of a constant temperature of between 15 ° C and 18 ° C and with a relative humidity of between 45¾ and 60¾, while there is a fixed and controlled relative humidity in the air outside the skin. between 55% and 65¾ relative humidity at a set temperature between 16 ° C and 19 ° C.

5 De nævnte konditioner frembringes efter kendte metoder med et særligt luftkonditioneringsanlæg. Skindene ophænges på kendte taner og tørrekasser. Der er således tilvejebragt en fremgangsmåde til ved en tidsmæssigt forudbestemt procedure at opnå en ensartet, effektiv tørring af skindene ved indstilling af temperatur, luftfugtighed og til strømmet luftmængde ind-10 vendigt i skindet mod læderhuden, samtidig med, at tørring ved fordampning fra ydersiden af skindet nedsættes til et minimum, idet der opstår en udligning i damptryksforskellen mellem uldlag og omgivelser, og der er tilnærmelsesvis samme temperatur udvendig og indvendig på skindet. Det muliggøres således at opnå en ensartethed i råskindskvalitet og at opnå alle de 15 egenskaber, der kræves af skindet som råvare med god salgsværdi. Endvidere opnås, at skindene vandoptagelses- og vandafgivelsesmæssigt er i balance, så lagring af skindene forenkles og billiggøres, og uden at skindene tager skade ved lagring og transport.The said conditions are produced by known methods with a special air conditioning system. The skins are hung on known tans and drying boxes. Thus, a method is provided for obtaining a uniform, effective drying of the skins by setting temperature, humidity and flow rate internally in the skin against the leather skin by a time-predetermined procedure, while allowing drying by evaporation from the outside of the skin. the skin is reduced to a minimum, as an equalization of the vapor pressure difference between the wool layer and the environment occurs, and there is approximately the same temperature outside and inside the skin. Thus, it is possible to achieve uniformity in raw-skins quality and to achieve all the 15 properties required by the skins as raw material with good sales value. Furthermore, the skins are water-absorbing and water-releasing in balance, so that the skins are simplified and cheapened, and without the skins being damaged during storage and transport.

Ved anvendelse af metoden kan man minimere sin tørretid optimalt og opnå 20 en ensartet smidighed, uanset skindenes avlskvalitet, samt undgå, at dækhårene bliver statisk elektriske under tørring, hvorved det såkaldte me-tallicskær, der forringer skindets værdi, også efter garvning, begrænses mest muligt. Den forbedrede kvalitet, undgåelse af metallic-skær, samt statisk elektriske skind, letter også sortering af skindene.By using the method, one can minimize its drying time optimally and achieve a uniform agility, regardless of the breeding quality of the skins, as well as prevent the tire hairs from becoming static electric during drying, thereby limiting the so-called metal cutter which degrades the value of the skin, even after tanning. possible. The improved quality, avoidance of metallic inserts, as well as static electric skins, also facilitates sorting of the skins.

DK73784A 1984-02-17 1984-02-17 Process for the simplified drying of pelts from mink, foxes and other wild animals with the aid of conditioned air DK149571B (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
DK73784A DK149571B (en) 1984-02-17 1984-02-17 Process for the simplified drying of pelts from mink, foxes and other wild animals with the aid of conditioned air

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DK73784A DK149571B (en) 1984-02-17 1984-02-17 Process for the simplified drying of pelts from mink, foxes and other wild animals with the aid of conditioned air
DK73784 1984-02-17

Publications (3)

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DK73784D0 DK73784D0 (en) 1984-02-17
DK73784A DK73784A (en) 1985-08-18
DK149571B true DK149571B (en) 1986-07-28

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DK73784A (en) 1985-08-18
DK73784D0 (en) 1984-02-17

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