Eureka Timberline 4 Adventure 9- by 7-Foot Four-Person Tent
Customer Review: Not for harsh weather.
I was looking for a tent to keep my dry in all conditions - my previous coleman tent leaked at the side seams, even with seam sealing. I taken this 4 trips, and set up and taken it down about 10 times. It is very easy to set up with just one person. It is well constructed. However, I was greatly disappointed when I camped on the Texas coast. The wind bent two poles. The rain blew in under the fly even though all vents were zipped shut. By morning I had significant amount of water in the tent, one pole had a 45 degree bend in it. I have camped in a cheap coleman tent that didn't get damaged in high winds...and other tents collapsed. Perhaps if I had guyed it down the poles would not have bent, but it would not have stopped the rain. Perhaps, I could have turned the tent in another direction and it would not have had so much water come in...but it was already pouring rain. I had sealed the seams prior to the trip. You could literally feel the water misting throughout the tent. Bottom line, not a tent for adverse conditions. I am switching to a REI Halfdome 4.
Customer Review: The last tent you may ever need.
I have owned one of these for 27 years and only now is it showing signs of wear. The zipper is wearing out and the shock cords have lost their elasticity. For a tent that is in use at least nine days a year that is amazing!
Different kinds of fibres are available now-a-days. These fibres are mainly divided into two categories natural and man made. They are also categorized by the generations as they were produced in the different years and known as first generation, second generation, third generation or fourth generation fibres.
History of man made fibres
The fibres generated first were the natural fibres. In this category cotton, wool, silk and all other animal and plant fibres are included. These fibres were introduced first 4000 years back but their uses were continued till 1940. All these fibres are known as first generation fibres. Very delicate handling is needed for these fibres. Fibres like silks and cottons have not good resistance against moths, wrinkles, wear and washings. So discovery of durable fibres was a greater need and about one century ago first synthesized fibres Rayon/Nylon were produced. These fibres are cheaper in comparison with natural ones. The development of these new fibres opened up fibre application to the various fields like medicine, aeronautics, home furnishing and modern apparels. Fibre engineers produced many new fibres by combining new synthetic fibres with the natural ones.
In the year 1664 the first attempt was done to make artificial fibre, but success was achieved after 200 years only. A Swiss chemist Audemars first patented artificial fibre in England in 1855. He produced that by dissolving the fibrous inner bark of the mulberry tree and produced cellulose by modifying it chemically. He made threads from the solution by dripping needle in the solution and then drawing them out. His attempt was good but he could not copy the silkworm. He had done experiments with the solution similar to Audemars solution.
French chemist Hilaire de Chardonnet was the first one to produce artificial silk commercially in the year 1889. Later on he was known as father of rayon industry because he was the first to produce rayon commercially on large scales.
All the attempts of producing artificial silk failed till the year 1900 but in the year 1910 Samuel Courtaulds and Co. Ltd, formed the American Viscose Company and did production of rayon.
Arthur D. Little of Boston made a film from acetate which is a cellulosic product in the year 1983 and in the year 1910 Henry Dreyfus and Camille made toilet articles and motion picture film from acetate in Switzerland. In the year 1924 Celanese Company made fibre from the acetate and it was the very first use of acetate in the textile industry. At that time the demand of rayon was high because it was available on the half of the price than raw silk to the textile manufacturers so U.S. rayon production flourished to meet those higher demands.
About Nylon
The miracle fibre called Nylon was invented in the September 1931 at the research laboratory of DuPont Company. They saw giant molecules of these polymers when they were working on Nylon '66' and Nylon '6'.
Nylon is completely synthetic fibre obtained from petrochemicals and is very different from Rayon and Acetate which are made up of cellulosic material of plants. The discovery of Nylon started a new era of manufactured fibres.
A change in life style
In the year 1939 commercial production of nylon was started by DuPont. In the very beginning on the experimental basis they used nylon in parachute fabric, in women's hosiery and in sewing thread. Nylon stockings were firstly visible to the public at the San Francisco Exposition in February 1939.
At the times of war, Asian silk was replaced by nylon in parachutes. The other uses of Nylon are in military supplies, ponchos, tyres, ropes, tents and in the high grade paper to make U.S. currency. At the time of war cotton was the most commonly used fibre and its uses were more then 80% than any other fibres. Another 20% is shared by wool and other manufactured fibres. August 1945 was the time of ending of war, at that time cotton shares 75% of the fibre market and rise of 15% was seen in the market of manufactured fibres.
Read More on Fibre Development
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