US108151A - Frederick johnson - Google Patents

Description

e@initrd gister @anni Gtjijire FREDERICK JOHNSON, AND WILLIAM HATCHMA-N, OF LONDON, ENGLAND, ASSIGNORS TO THOMAS O. MORTON PATON, OF NEW YORK.

Letters Patent No. 108,151, dated October 11, 1870.

The Schedule referred to in these Letters Patent and making part of the same To all whom it may concern:

Be it known that we, FREDERICK Jonsson, of

-Wood Street, and WILLIAM HATCHMAN, of Little Love Lane, in the city of London, England, have invented certain new and useful Improvements in Umbrellas; and we hereby declare that the following is a full, clear, and exaetdescription thereof. p

Silk umbrellas are particularly liable to' wear at the folds between the ribs; and, with a view to prevent wear, and increase the durability of the article by ern- Y` ploying as a thickening material, atcertain parts of the fabric, a ber havingthe property of resisting the 'formation'of' shar well-deiined creases'.`

Cotton and linen -arc fibers very suitable for this purpose, and by their use in this manner the durability ofthe umbrella. is much increased.

As respects the remainder-of the fabric, we prefer to make it entirely of silk, as other bers-do not so well retain their colors, and umbrellas made from them soon become shabby. v

The silk may, however, be mixed with other tibers, but in all cases we use, in the manufacture ofv umbrellas, a fabric made thicker where thefoljdsjcome than in other parts, and thesethicker parts consist partly' of silk, and partly of some vegetable liber having the property of resisting the formation of the sharp creases or folds found in silk umbrellas.

The invention is illustrated rin the accompanying drawing, which represents a top view of an umbrella.'

A A indicate the ribs, and

B B, the gores of silk, of which the covering is composed'.

The dark stripes b o represent the portions of the fabric `extending along the middle of each gore or pory tion ofthe covering between two ribs where the folding takes place, and which are strengthened by the introductionV of the weft of cotton or other vegetable fibel'. A

1n carrying our invention into effect, we set np the loom for weavingthe covering fabric, with which our umbrellas are' made with a silk warp, j ust as for weaving a plain silk fabric, and for the width of somewhat more than an inch; where the creases are to c olne, we doublethe weft by using two shuttles, one carrying a silk shoot, and the othera cotton shoot or weft,

lboth threads being of about the same substance, and

with the ordinary silk warp and these combined wefts the fabric is woven.

In place of cotton, flax and other vegetable fibers may be used as the additional weft in precisely the same manner. s

vIn place of using a warp composed entirely of silk yarns wesometimes use yarns made of cotton covered with silk, as is well known. Yarnsof cotton or other vegetable fiber covered with silk may also be used for the weft; but, as a general rule, l'it is preferable touse silk yarns for the warp. l

Vhat we claim as our invention, as a new article of manufacture', is-' s An umbrella, with a covering of a silken fabric, in which, at the parts where the goresV or portions between the several ribs are folded, the silken fabric is made stronger bythe introduction of a weft'of cotton or other vegetable ber, as'herein setforth. s

In wit-ness whereof, we, the said FREDERICK J OHN- soN and WILLIAM HAroHMAN, 'have hereunto set our hands this third day of June, iii `the year of our Lord one thousand eight hundred andseventy.

FREDERICK JOHNSON. WILLIAM HATGHMAN.

Witnesses:

DANL. FonsHAw,

24 Royal Exchange, London. H. K. WHITE,

66 Chancery Laue.

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