| 摘要 |
438,827. Sliding - clasp fastenings. WALDES, J., WALDES, Z., and PUC, V., (trading as WALDES & CO.), 478, Ul Krßle Jiriho, Prague. Nov. 26, 1934, No. 34005. Convention date, Nov. 25, 1933. [Class 44] The elements of a sliding - clasp fastener lie below the stringer tapes, their clamping notches 4 being arranged at right angles to the plane of interlocking, and are attached to beadings 2 situated at such a distance from the edges of the stringers 1 that the marginal portions of the stringers cover the elements when the fastener is closed. The elements may first be clamped on a cord which is then sewn to the stringer at the required distance from the edge. |
