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Internal springs assembly

A technology of inner springs and components, applied in spring mattresses, interior decoration, mattresses, etc.

Inactive Publication Date: 2004-09-22
MATSUSHITA IND CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0018] However, in the above-mentioned previous proposals, although changing the elasticity of the coil spring in the manufactured inner spring can obtain locally different rebounding forces in the direction of the length L of the mat, it is an epoch-making improvement, but for those who do not have an electrification quenching device The existing inner spring manufacturing equipment is impossible, and there is a problem that it is necessary to separately introduce an inner spring manufacturing equipment with a quenching device

Method used

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Embodiment Construction

[0035] Hereinafter, the inner spring mounted on furniture and bedding according to the present invention and a manufacturing method thereof will be described with reference to the accompanying drawings.

[0036] figure 1 To show a side view of a schematic diagram of an innerspring manufacturing apparatus, figure 2 For its front view, the inner spring manufacturing apparatus is shown in its entirety with reference numeral 1 in the figure.

[0037] The inner spring manufacturing apparatus 1 has a control mechanism 14 for comprehensively linking and controlling the following processes: a coil spring manufacturing process 3 for forming the coil spring 2 from a wire, a coil spring manufacturing process 3 for forming a coil spring from a wire The coil spring 2 supplied from 3 is supplied to the coil spring supply process 6 in which the coil spring support rod 5 installed in the conveyor 4 is supported by the conveyor 4, and the coil spring 2 supplied from the coil spring supply p...

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Abstract

An inner spring, for use in furniture and bedding, comprises coil springs which are encased in cylindrical casings having a predetermined number of spring casing portions, and which are continuously arranged in parallel. The axes of the coil springs are arranged in parallel, and at least a part of the coil springs encased in the spring casing portions are given different repulsions by varying their pitches and are set in place in the cylindrical spring casings to form a row of inner springs.

Description

technical field [0001] The present invention relates to an innerspring unit which is incorporated in furniture such as chairs and sofas, and used in bedding such as mattresses of beds. [0002] The furniture and bedding referred to in the present invention are not limited to those exemplified above, but also broadly include seats installed in trains and automobiles. Background technique [0003] In the conventional manufacturing apparatus for such an inner spring, when a coil spring is manufactured from a general wire rod, there are problems in the repulsive force and durability of the coil spring. Tempered expensive elastic wire. [0004] However, in this case, since the elasticity of the wire rod is strong, there is a problem that the manufacture of the coil spring is laborious. [0005] Furthermore, since the yield is low and the cost of the wire rod is high, there is a problem that the manufacturing cost is also high. [0006] In addition, a series of housing type coi...

Claims

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Application Information

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Patent Type & Authority Patents(China)
IPC IPC(8): A47C23/043A47C27/06B21F33/02B68G9/00B68G15/00
CPCA47C27/064A47C27/062B68G9/00B21F33/02
Inventor 卫藤博之
Owner MATSUSHITA IND CO LTD
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