Apparatus and method for forming an external guard member on...

B - Operations – Transporting – 23 – P

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26/156

B23P 23/04 (2006.01) B21F 17/00 (2006.01)

Patent

CA 1184752

Apparatus And Method For Forming An External Guard Member On a Hose Abstract This invention relates to an apparatus and a method for forming, in situ, an external guard member, preferably of a spring steel wire material, on a hose. Spring steel wire is highly desirable as a material for guard members. Heretofore it has been necessary to preform the spring steel wire on a coiling machine and install precut lengths of the coil onto partially assembled hoses. The present invention overcomes the above problems of construction and assembly by providing an apparatus and method for forming the preferred spring steel wire guard member in situ on a hose having fittings preassembled on both ends. The apparatus includes a forming head having separable first and second portions. A plurality of radially spaced dielmembers are provided on the first and second portions to fully form two complete coils of a guard member . The apparatus and method of the present invention is particularly useful for forming spring steel wire guard members on high pressure hydraulic hoses subjected to severe service applications.

403381

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