One character roofing metal make roof board

摘要

(57) Abstract Objective The goby of the metal make roof board you snap and pile up and are formed to the sectionLosing the overhang of knife condition, as it raises security,After it lifts and there is no margin where the friction crack with thermal expansion is generatedIt designates that one character roofing metal make roof board which it does is offered as purposeru. Constitution In top and bottom of square condition metal plate manufacturing body 1 upper goby 2 and lower haOn inside and outside opposite side the time tune doing ze 3, as it provides, on left and right both sidesThe time tune forming vertical goby 4,5, the metal make house of one character roofing which becomesIn the root board, in a state where roof board A is made to expand, the goldTop and bottom of left and right both sides of being attached plate manufacturing body in husband Various taper condition notch, boardIt goes to the side edge from left and right crosswise median approaching side by body left and right both sidesTherefore when top and bottom width consecutively forms the narrow section 6,7 which becomes narrowTogether, in the halfway section of the said narrow section time of the vertical goby tune center 4a and 5aIn order to be located, it constituted.