EP 0975889 A1 20000202 - COMPOSITE MATERIAL SPRING MODULES WITH INTEGRALLY FORMED ATTACHMENT FITTINGS

Title (en)

COMPOSITE MATERIAL SPRING MODULES WITH INTEGRALLY FORMED ATTACHMENT FITTINGS

Title (de)

FEDERELEMENTE AUS VERBUNDWERKSTOFF MIT INTEGRIERTEN BEFESTIGUNGSHALTERUNGEN

Title (fr)

MODULES RESSORT EN MATERIAU COMPOSITE AVEC FIXATIONS MONOBLOC

Publication

EP 0975889 A1 20000202 (EN)

Application

EP 98915615 A 19980416

Priority

US 9807731 W 19980416
US 84392797 A 19970417

Abstract (en)

[origin: WO9846902A1] Composite material spring modules (16) and methods of manufacture are described having a fiber reinforced composite material spring body (32) with attachment fittings (34, 36) integrally formed about the spring body (32). The attachment fittings (34, 36) are molded of a flexible material which dynamically responds to changes in the shape of the spring body (32) upon deflection. Integral formation of the fittings (34, 36) with the spring body (32) provides a unified single piece module which is readily attachable to any structure where spring support is desired. The composite material spring modules (16) are described as a mattress foundation (10), by attachment to high and low profile frames (12) and to an overlying grid (14). Methods of manufacture of the composite material spring modules (16) with integrally formed attachment fittings (34, 36) are described. Methods of assembly of flexible weight bearing structures such as mattress foundations (10) using the composite material spring modules (16) are also described.

IPC 1-7

F16F 3/10; F16F 5/00; F16F 13/00

IPC 8 full level

A47C 27/06 (2006.01); F16F 1/18 (2006.01); F16F 3/10 (2006.01)

CPC (source: EP)

F16F 1/18 (2013.01); F16F 2224/0241 (2013.01)

Designated contracting state (EPC)

DE ES FR GB IT

DOCDB simple family (publication)

WO 9846902 A1 19981022; AU 6975298 A 19981111; AU 746261 B2 20020418; BR 9815184 A 20010828; CA 2289285 A1 19981022; CA 2289285 C 20080108; CA 2601276 A1 19981022; CN 1118644 C 20030820; CN 1252858 A 20000510; EP 0975889 A1 20000202; EP 0975889 A4 20030716; IL 132427 A0 20010319; JP 2001524187 A 20011127; JP 4619460 B2 20110126; KR 100644774 B1 20061113; KR 20010006549 A 20010126; NZ 500728 A 20011130

DOCDB simple family (application)

US 9807731 W 19980416; AU 6975298 A 19980416; BR 9815184 A 19980416; CA 2289285 A 19980416; CA 2601276 A 19980416; CN 98804195 A 19980416; EP 98915615 A 19980416; IL 13242798 A 19980416; JP 54431298 A 19980416; KR 19997009639 A 19991018; NZ 50072898 A 19980416