Improvements in Seamless Sacks or Bags and in the Method of Manufacturing the same.
Year: 1890

page_text: Date of Application, 23rd Sept., 1890-Accepted, 1st Nov., 1890
COMPLETE SPECIFICATION.
Improvements in Seamless Sacks or Bags and in the Method of
Manufacturing the same.
1, REINHOLD ADOLF MATTICK, of Bretting, near Pulsnitz, Saxony, in the Empire
of Germany, Manufacturer, do hereby declare the nature of my said invention and
in what manner the same is to be performed, to be particularly described and
ascertained in and by the following statement :-
Whereas, notwithstanding the great advances which have recently been made in
relation to textile industries, no means have hitherto been discovered whereby seamless.
sacks or bags could be manufactured; and resort has had to be made to intertwining
linen cloth and beating and sewing the parts together.
Now the object of my invention is to manufacture such sacks or bags in an
improved manner, whereby the same are rendered seamless and completely and fully
woven.
And in order that my said invention may be particularly described and ascertained,
reference is hereby made to the accompanying drawings, in which similar letters of
reference indicate corresponding parts.
Figs. 1, 2 and 3 are sectional views showing the process of manufacture.
Fig. 4 is a plan view of Fig. 3.
Fig. 5 illustrates the pattern for the bottom or footing, and Fig. 6 the pattern for
the sack or bag.
The manufacture of my improved seamless sacks or bags may be applied to either
Jacquard or shaft machines, and is carried into effect in the following manner :-
During the weaving of the sack or bag, and in the formation of the lower portion
of the chain, by the insertion of the threads ss, all the threads o o of the upper chain,
together with a portion of the threads u u of the lower chain, are raised, and the
remaining threads (u) of the lower chain are lowered, as shown in Fig. 1. In forming
the upper portion of the chain, some of the threads o o are raised, while the remainder,
together with all the threads u u are lowered, as shown in Fig. 2, provided that the
card chain is replaced by one of like object. The act of raising all the threads u u of
the lower chain, and the lowering or sinking of all the threads oo of the upper chain,
and vice versa, forms the portion a a, as shown in Figs. 3 and 4, whereby the footing
or bottom texture or weaving is effected as simple weaving, and in which all the
threads of both chains are united, as also shown at a a in Figs. 3 and 4, while each
of the sides forming the sack or bag at 6 b, are formed of single chains.
It may be remarked that the sack or bag may also be manufactured in like manner
with tick binding.
On account of the simplicity, the manufacture of sacks or bags can be so carried
out that a bag texture of double sack length may be joined to or with a last or
finishing texture, and so on, the two kinds of weaving alternating with each other by
means of card changes. For this purpose it is only essential that the widths of the
fabrics should correspond.
Having now particularly described and ascertained the nature of my said
invention, and in what manner the same is to be performed, I declare that what I
claim is :-
1. The improved seamless sacks or bags, substantially as hereinbefore described
and illustrated by the drawings.
2. The improved method of weaving sacks or bags, whereby the same are rendered
seamless, the bag texture 6 consisting of a combination of the upper and lower chains,
with closing or uniting threads ss; the whole being woven at a a into one close
texture, substantially as hereinbefore described and illustrated by the drawings.

page_text: 3. The improvements in seamless sacks or bags, and in the method of manufacturing
the same, substantially as herein before described and illustrated by the drawings.
Dated 23rd September 1890
GEO. DOWNING,
8, Quality Court, London, W.C., Agent for Applicant.