US283252A - Qtjan - Google Patents

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Publication number
US283252A
US283252A US283252DA US283252A US 283252 A US283252 A US 283252A US 283252D A US283252D A US 283252DA US 283252 A US283252 A US 283252A
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United States
Prior art keywords
leather
pieces
seam
united
uniting
Prior art date
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Expired - Lifetime
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    • BPERFORMING OPERATIONS; TRANSPORTING
    • B29WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29CSHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C66/00General aspects of processes or apparatus for joining preformed parts
    • B29C66/40General aspects of joining substantially flat articles, e.g. plates, sheets or web-like materials; Making flat seams in tubular or hollow articles; Joining single elements to substantially flat surfaces
    • B29C66/41Joining substantially flat articles ; Making flat seams in tubular or hollow articles
    • B29C66/43Joining a relatively small portion of the surface of said articles
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/19Sheets or webs edge spliced or joined
    • Y10T428/192Sheets or webs coplanar
    • Y10T428/195Beveled, stepped, or skived in thickness
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/19Sheets or webs edge spliced or joined
    • Y10T428/192Sheets or webs coplanar
    • Y10T428/197Sheets or webs coplanar with noncoplanar reinforcement
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24033Structurally defined web or sheet [e.g., overall dimension, etc.] including stitching and discrete fastener[s], coating or bond
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24479Structurally defined web or sheet [e.g., overall dimension, etc.] including variation in thickness
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10TTECHNICAL SUBJECTS COVERED BY FORMER US CLASSIFICATION
    • Y10T428/00Stock material or miscellaneous articles
    • Y10T428/24Structurally defined web or sheet [e.g., overall dimension, etc.]
    • Y10T428/24752Laterally noncoextensive components

Description

(No Model.)

QUAN KAI. SEAM PDR UNITING-PIEGES 0F LEATHER. N01 283,252.

Patented Aug. 14, `1883.

-Hununluul "A 339% /V'namw UNITED STATES PATENT OFFICE.

QUA-N KAI, or sAN EEANCIsCo, CALIECE'NIA.

SEAM FORIUNITING PIECESIOF LEATHER.

` SPECIFICATION forming part` of Letters Patent No. 283,252, dated August 14, 1883.

' Application filed December-29,1851. (No'modehl To all whom it may concern,.-

Beit known that I, QUAN KAI, of the city and county of San Francisco, in the State of California, have invented an Improved Seam for Uniting Pieces `of Leather 5 and I do hereby declare that the following is a full, clear,

and exact description thereof, referencebeing had to the accompanying drawings.

lVIy invention relates to an improved seam for uniting the edges of two pieces of leather, and will be understood as hereinafter set forth and Claimed.

` In the drawings,`Figure lis a view of the insidepieces of leather which are united, the oovering-piece being removed a part of the distance. Fig. 2 is a reverse view of Fig. 1. Fig. 3 is a section of the parts complete.

Similar letters of reference indicate corresponding parts in all the figures.

A and B are the two pieces or parts Vof leather to be united. Along theedges joined they are beveled inl directions opposite to each other, and the beveled portions are overlapped. -I11 the middle of the overlapping bevel edges I unite the pieces A B by a line of rivets, and on either side of the line of rivets c, I` join the thin edge of one bevel to the thick portion of the other by a line of stitches, e e. On the exterior of the seam I then place the coveringpiece f, which extends out past the bevels on either side, and is united to the pieces A B at points Where they have the full thickness of the leather by lines of stitches i i. Before the covering-piece f is set in' place the united bevel ness as the adjoining leather, and the covering-piece being set upon the exterior of the parts, the interior of the seam is left smooth, andthe whole forms a neat and secure fastening. 4o

A seam for uniting pieces of leather, consisting of the beveled edges of the said pieces laid directly upon each other and united by a central row of rivets and a line of stitches on each side of the line of rivets, the thickness of 55 a single pieceof leather being preserved in the seam, and a covering-piece, j', placed upon. and extending past the beveled portions of the pieces on both sides, and united on both sides to the pieces of leather, at a point Where they 6C have ltheir full thickness, by `lines of stitches, substantially as set forth.` 4

In Witness whereof I have hereunto set` my hand and seal.

l QUAN KAI. [L s] Attest: f

WV. F. CLARK, l

JNO. II. MILLER.

edges forma uniting means of the same thick- 35 Y

US283252D Qtjan Expired - Lifetime US283252A (en)

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