Patent ID: 9038352
Filing Date: 2015-05-26
Classification: E04B,E04C,Y10T

Abstract:
1. Half shell element ( 10 , 10 ′) for the production of a hollow body ( 110 ) with an identical further half shell element ( 10 , 10 ′), with at least one guide ( 20 . . . 20 ′″) for the further element ( 10 , 10 ′), which is constructed in a region of a first half periphery ( 11 ) of its encircling edge ( 12 ), so that the further element ( 10 , 10 ′) is configured to be pushed onto the half shell element ( 10 , 10 ′) edgewise from the second half periphery ( 11 ′) of the edge ( 12 ) lying opposite this first half periphery ( 11 ) parallel to a plane of the encircling edge ( 12 ) and can be guided on the edge ( 12 ) and held in a final position, and a detent hook ( 30 ) and a detent surface ( 31 ) for engagement on a complementary detent surface ( 31 ) and a complementary detent hook ( 30 ) of the further element ( 10 , 10 ′), which are arranged lying opposite each other respectively in approximately the middle of the first and second half periphery ( 11 , 11 ′) of the encircling edge ( 12 ), wherein detent grooves ( 40 , 40 ′) for embracing an edge region of the further half shell element ( 10 , 10 ′) are constructed on both sides of the detent surface ( 31 ) on the encircling edge ( 12 ).