US1925766A - Mattress and its manufacture - Google Patents

Description

Sept. 5,` 1933. c. LoFMAN Y MATTRESS AND ITs MANUFACTURE Filed Deo. 15, 1950 WI/Ill 9 Patented Sept. 5, 1933 1,925,766 MATTRESS AND lrrs MANUFACTUBE Charles Lofman, Riverside, Ill., assignor to S. Karpen & Bros., Chicago, lll., a corporation of West Virginia Application December 15, 1930 Serial No. 502,534

3 Claims.

This invention relates particularly to mat-edge-rolls to the spring-structure; E, a layer or tresses or the like, in which the lling within the mattress-casing comprises a body of springs suitably connected together to afford an inner spring-structure, and suitable loose filling material, such as hair,.cotton or the like,y which supplements the spring-structure and completes the filling of the mattress.v

The primary object is to provide an improved method of manufacture, which enables a superior product to be produced at a very moderate cost. A further object'is the production of such improved product.

In accordance with the present invention, a suitable spring-structure comprising a body of light upholstery springs suitably connected together is provided; a pre-built border-boxing (preferably quilted and comprising inner and outer fabrics and interposed filling material) is also provided; a strip of fabric and an associated strip of lling material (cotton batting or hair) is stitched to the border rows of springs of the spring-structure, so as to provide inner edgerolls at what may be termed the corner lines of the spring-structure; suitable filling material,

such as layers of cotton or hair are placed over the spring-structure; horizontal casing-fabrics are then placed over the filling material; and the edge-portions of the' outer fabric of the boxing, a marginal portion of the strip of fabric associated with the edge-roll, and the edge-portion .of the horizontal casing-fabric are sewed together, thus forming the corner seam of the mattress.

By the method described, the casing is united to the corner lines of the spring-structure in a simple and efficacious manner.

A preferred embodiment is illustrated in the accompanying drawing, in which- Fig. 1 is a broken elevational View of a mattress constructed in accordance with the invention; Fig. 2, a fragmentary View of the inner spring-structure, this view illustrating the manner in which strips of fabric and associated edgeroll -strips are united to the corner lines of the spring-structure; Fig. 3, a broken vertical sectional view taken as indicated at line 3 of Fig. 1; Fig. 4,- a broken plan view of the structure shown in Fig. 2; and Fig. 5, a View illustrating a. slight modification.

In the construction illustrated in Figs. 1-4, A designates a border-boxing; B, a spring-structure forming a part of the mattress lling; C, inner edge-rolls secured to the corner lines of the spring-structure; D, ties or stitches uniting the layers of filling material placed over (above and below) the spring-structure after the edge-rolls have been secured thereto; and F, F, casingfabrics constituting the upper and lower sheets of the mattress-casing.

The border-boxing A preferably is quilted in any suitable manner. comprising an outer fabric 1, an inner fabric The border is shown as 2 and an interposed layer of lling 3. The quilt- 6 5 ing is shown as comprising horizontal rows of 1 stitchings 4 located a short distance from the edges of the boxing,v and vertical rows of stitchings 5 extending between the horizontal rows of stitchings 4.

The spring-structure B may be provided in any suitable manner. In the illustration given, the spring-structure is of the Marshall mattress type. That is, it comprises light upholstery springs 6 which are placed close together in rows, and fabric-cells 7 within which the springs are housed. The rows of springsare connected together in any suitable manner, as by ties 8.

Each edge-roll C comprises a fabric-strip 9 and a strip of lling material 10, such as cotton or hair. The strips 9 and 10 are secured to the marginal rows of springs at the corner lines of gie spring-structure by means of ties or stitches After the edge-rolls C have thus been secured to the spring-structure, the layer E of lling material is placed over the spring-structure, and the edge-portion of the outer fabric of the boxing; an edge-portion of the fabric-strip 9, andan edge-portion of the horizontal casing-fabric F, are sewed together to form a seam at the cornerportion of the mattress. Preferably, a strip of 'tape or braid 12 is employed to cover the edges of the fabrics and is sewed into the corner seam of the mattress.

When the mattress has been completed at one side in the manner described, the mattress is reversed, and the other side of the mattress is completed in the same manner.

From the description given, it will be understood that after the fabric strips 9 associated with the edge rows have been sewed tothe corners of the mattress-casing, the casing is rmly anchored to the spring-structure.

The construction described results in providing the mattress ,with what may be termed a pin-cushion edge of pleasing appearance.

The method described enables mattress of luxurious character to be manufactured quickly and cheaply.

The modication illustrated in Fig. is similar to that already described, except that the fabricstrip, designated 9a, is placed outside or above the cotton batting strip, designated 10a. In this instance the preferred method is not to fold the edge-roll as in Fig. 3, but to bunch the portion of the edge-roll adjacent to the ends of the border-boxing alongside the border-boxing. The

edge-portion of the strip 9e may be sewed into the corner-seam of the mattress in the same manner as has already been described with reference to the rst-described construction.

In forming the comer-seam of the mattress, the inner-fabric of the border-boxing preferably is dropped from the seam. In Fig. 3, the edges of the inner fabric of the border-boxing are designated 13.

The iirst-described construction is preferred.

'Ihe foregoing detailed description has been given for clearness of understanding only, and no unnecessary limitations should be understood therefrom, `but the appended claims should be construed as broadly as permissible, in view of the prior" art. l

cured to the border-boxing and the spring-strucasV ture at the upper and lower corner-lines thereof; fabric strips forming a part of the edge-rolls; layers of filling material over (above and below) the spring-structure; and horizontal casingfabrics over said layers having their marginal portions sewed to said fabric-strips and to the marginal portions of said border-boxing.

2. A structure as specified in vclaim l, characterized by the fabric-strip extending from the corner-line of the spring structure to the cornerseam of the mattress and disposed between the edge-roll and the marginal-portion of the borderboxing.

3. A method of manufacturing a mattress which comprises: stitching to the upper and lower periphery of a spring structure, adapted'to serve as a portion of a mattress-ller, edge-rolls consisting of associated strips of lling material and fabric, said fabric strip being positioned intermediate the spring structure and strip of lling material, applying over (above and below) the spring structure a layer of filling material and over (above and below) said filling material a casing fabric; bringing a pre-built border-boxing into juxtaposition with the border row of springs of the spring structure, and sewing together an .edge-portion of the border-boxing, an edgeportion of the fabric strip associated with the edge-roll, and an edge-portion of said casing fabric.

CHARLES LOPE/IAN.

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