Skip to main content

Add or remove other collections to your search:



Narrow your search by:



You've searched: All Collections

  • Description: viscose
(55 results)



Display: 20

    • Viscose ripening room

    • Cellophane Manufacturing Process
    • Viscose ripening room at DuPont's Clinton, Iowa cellophane plant. Viscose, made from chemically treated wood pulp is aged to control molecular weight and then is extruded through a hopper into an acid bath to form the cellophane sheet.
    • Cellulose xanthate

    • Viscose Process of Manufacturing Rayon
    • Cellulose xanthate after being dissolved to form liquid viscose is forced through filter presses that contain manifold layers of cotton sheeting, batting and canton flannel to remove any solid impurities. A press is being loaded with filter packs...
    • Type of spinneret

    • Viscose Process of Manufacturing Rayon
    • Type of spinneret used by E.I. du Pont Nemours & Company in the manufacture of viscose rayon. Viscose solution is extruded through tiny orifices forming individual filaments which together make the rayon thread.
    • Spinnerets

    • Viscose Process of Manufacturing Rayon
    • After a water pressure washing, trays of spinnerets are place in a high temperature oven to bake out stubborn solidified formations of viscose that were not removed in the bath. The procedure for cleaning and checking spinnerets is standard at all...
    • Drying spinnerets

    • Viscose Process of Manufacturing Rayon
    • After a preliminary and two water pressure washings, interspersed by high temperature baking in order to remove all formations of viscose, spinnerets are dried in an oven before inspection under a microscope. The procedure for cleaning and checking...
    • Inspecting spinnerets

    • Viscose Process of Manufacturing Rayon
    • Spinnerets are inspected under a microscope to determine surface scratches and to check the minute holes through which viscose solution is forced to form filaments of rayon yarn at plants of E.I du Pont Nemours & Company. Precision checking for...
    • Buffing surface scratches

    • Viscose Process of Manufacturing Rayon
    • Surface scratches are buffed off spinnerets on this device, which uses a special mild abrasive. The procedure for cleaning and checking spinnerets is standard at all viscose process rayon yarn plants of E.I. du Pont Nemours & Company.
    • Reassembly of spinnerets

    • Viscose Process of Manufacturing Rayon
    • After being thoroughly cleaned and checked periodically, spinnerets are reassembled and returned to the lines of spinning machines that produce viscose process rayon yarn in plants of E.I du Pont Nemours & Company.
    • Examining rayon

    • Viscose Process of Manufacturing Rayon
    • In addition to constant chemical checks on the process of manufacturing yarn at the viscose rayon plants of E.I du Pont Nemours & Company, scrutiny is also given to such physical characteristics as the uniformity of denier, elongation, elasticity...
    • Wrapping cakes of yarn

    • Viscose Process of Manufacturing Rayon
    • Before leaving spinning areas, en route to washing and de-sulfuring, cakes of yarn are wrapped in stockings of carious colors, which designate denier, filament count, type of yarn, and other information of importance in ensuing operations at...
    • Scanning skeins

    • Viscose Process of Manufacturing Rayon
    • Every skein of yarn is inspected carefully before shipment from the viscose process rayon plants of E.I du Pont Nemours & Company. Skilled in finding imperfections their eyes trained to find trouble with the least loss of time and effort, a corps...
    • Bobbin process

    • Viscose Process of Manufacturing Rayon
    • Spinning rayon thread by the bobbin process at plants of E.I du Pont Nemours & Company. The thread, after being converted from liquid viscose in the chemical bath, is wound on the bobbins shown in the photograph.

QuickView

Display a larger image and more item information when the pointer pauses over a thumbnail
 

Layout options:

Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK
Select the collections to add or remove from your search
A
B
C
D
E
F
G
H
I
J
K
L
M
N
O
P
Q
R
S
T
U
V
W
X
Y
Z
 
OK