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company presentation

The roots of Jokioisten Lankatehdas Oy reach to the year 1804, when the landlord of Jokioinen Mansion, Gustaf von Willebrand established the bar iron forge by the waterside of Loimijoki river. Jokioisten Lankatehdas Oy continue these glorious traditions that have lasted for over two centuries. From high-quality hot-rolled iron Jokioisten Lankatehdas produces wire and welded meshes. With a versatile machine-stock and proprietary product development, we are able to respond to the most demanding customer needs.
The roots of wire plant begin from year 1804, when the landlord of Jokioinen Mansion, Ernst Gustav von Willebrand established the bar iron forge to the waterside of Loimijoki river. During the decades the production have developed to present form. The history of Jokioinen, enmesh to the chapters of the wire plant and Jokioinen Mansion. In history, the Seppäinmäki (smithshill) area, located in center of Jokioinen, was the plant-maintained habitat for laborers and officials working for wiremill. In that area, beside the road from Jokioinen to Humppila, the old plant managers house and wage office are still located. In the end of 19th century, the plants in Jokioinen were connected to the main train tracks in Finland with a narrow gauge railway, which lead from Jokioinen all the way to Finlayson plants in Forssa. With that railway all the hot-rolled iron was brought to the plantside. During the war years in 1930’s and 1940’s the importance of tracks grew. Ferraria Ltd. produced all the barbed wire needed in war-area and Finlayson produced all the fabrics needed by forces. All the electrics needed by the factory were produced in a 1924 built power station used with a Loimijoki water. During those two decades the plant have been owned by Oy Ferraria Ab, Oy Fiskars Ab, Ovako Steel, Gunnebo Industrier, Ofa Oy Ab and Kaarjoki Oy. The production building used by us have been built in 1940’s and the stock building, in the beginning of 20th century.


The history of wire plant in short:

Gustaf von Willebrand established iron bar works with two hammers and two furnaces.

Two nail forge machines were built to Jokioinen.
Three nail press machines were built to Jokioinen.
During 1882-1884 a young girl named Miina Sillanpää, used to work as a nail packer in Jokioinen plant. Later she became the first female minister in Finland.

The development of wire drawing allows the start of production of cut-nails.

plant was integrated to Ferraria Corporation, the first managing director was Jakob Eslander
1930’s the majority of stocks were turned over to Oy Fiskars Ab,Fiskars-nail was born.
With a big fusion in finnish steel business, Fiskars nailplants were integrated to Ovako.
Wärtsilä naulplant was integrated to Jokioinen, the new hall for nail production was built.
SOK nailplant in Vaajakoski was bought.
OTK naulaplant in Orivesi was bought.
Fixron nailplant, producing nails for pneumatic guns, was bought.
with an MBO-deal Ofa Oy Ab was found.
Ofa Oy Ab was bought by Gunnebo Ab.
Jokioinen plants were celebrating 200-year birthday.
Kaarjoki Oy bought Jokioinen wireplant.

Kaarjoki Lankatehdas Oy as it’s own incorporate.

9.9.2011 with an MBO-deal wire plant were bought by local trio.

25.11.2011 The name changes to Jokioisten Lankatehdas Oy


The production of wires are made with a cold-rolling, using wiredrawing machines. The raw-material for drawing is hot-rolled low-carbon steel. While drawing the wire, the strengtness and toughness of the wire increases, it hardens. During drawing also the exactness in diameter improves significantly. If needed, the softness of the wire can be reached again by annealing the wire. With a versatile machine-stock and proprietary product development, we are able to respond to the most demanding customer needs.
"In general the wires can be divided in to four categories; bright wires, annealed wires, coated wires and rust-free wires."
Bright wire is just hard, drawed wire. In the wire surface, there’s slight left-over from drawing lubrants. Lubricants protect the wire a bit against the rusting. If the wire is wet-drawn, the surface is a shining bright. Annealed wire is heat-treated after drawing. It’s softer, more flexible and more extensile. If the wire is hot-dip galvanized, there’s a zinc layer on the surface of the wire. After the drawing, the wire will go through the galvanizing bath, including melted zinc, and the zinc stays on to the surface of the wire. The wire can either be normally galvanized or heavy-galvanized. In normal galvanized wire, there’s approximately from 40 to 120 grams of zinc per squaremeter. In heavy galvanized there’s from 180 to 350 grams per square meter. Galvanizing gives the wire a signifant protection against rusting. The wire can also be electrogalvanized or copper-coated. Both coatings give the wire a shiny, clean and slipper surface. On the other hand, this kind of coating won’t give the wire such a powerful rust-protection than hot-dip galvanizing. The plastic-coated wire is made by pressing a PVC-layer on the surface of the wire.