Abstract: A locking slider for a slide fastener is made entirely of plastics material and comprises a slider body with a springable locking means and a pull tab fastened at a bow of the slider body, the slider body being an integral unit consisting of a lower and an upper slider plate connected by a connecting separator. The upper slider plate comprises a V-shaped bearing for receiving a fastening eyelet at one end of a pull tab. The bow, extending over the bearing, is integrally formed with the locking means and is provided with a fastening pin, which is snapped into a hole in the connecting separator.The end of said bow provided with locking means is formed as elbow reaching around the free end of the upper slider plate and ending into an upwardly directed barb engaging an opening at the upper slider plate.The slider as well as the interlocking members of the slide fastener can be produced with the same material having a uniform color.

Abstract: The slider of the slide fastener comprises a slider body, a locking member which is held on the one hand by a locking portion on the slider body and on the other hand is provided with teeth. A slot provided in the locking portion forms a joint section allowing a pivoting of the locking member and a moving of the teeth into a disengagement with the slide fastener.The teeth comprise a viewed in closing direction rear inclined flank, by means of which a brake action is generated in place of a locking action if the already separated slide fastener strips are pulled laterally away from each other such that the slide fastener can be opened even in case of a missing drawing flap.

Abstract: A seam for joining the ends of a fabric to form an endless belt which can be used for papermaking, is created by attaching a continuous coil to each fabric end, the loops of the coils being preformed so that when the loops are intermeshed each loop of one coil engages or creates an interference fit, with two loops of the opposite coil. To strengthen the seam, a pin is inserted in the tube formed by the intermeshed loops.The loops are joined by using a tool which has two channels through which the ends are brought together. The channels are formed between two plates attached to the ends of scissor arms.

Abstract: A lockable slide fastener slider having a guide groove which allows a pair of rows of coupling elements to pass smoothly through a guide channel without entering an aperture communicating with the guide channel, even when the coupling elements are displaced toward the aperture. The guide groove is defined jointly by a bottom wall and a pair of oblique sidewalls diverging toward the guide channel, the bottom wall having a width substantially the same as that of the aperture. The peripheral wall bounding the aperture has an oblique end portion facing the guide channel and merging into the oblique sidewalls.

Abstract: Disclosed is a device for closing a snaplock type seam having a pair of internestable interlocking V-shaped portions. The one piece closure device is assembled astride the V-shaped portions of the two seam members and functions to force these portions laterally into interlocked assembly as the device is advanced along the seam.