Assertion: waterproof slide fastener | /r/HasProperty | no core thread
Facets:
value: in the element mounting edge portions
type: LOCATION
value: for the reason of a constitution
type: CAUSE
Source sentences:
text: On the other hand, such a waterproof slide fastener 50 includes no core thread in the element mounting edge portions 51 for the reason of a constitution which brings the end faces of the fastener tapes 55 into a firm contact with each other sufficiently.