Upper-strand well for a trough pan and trough pan having such an upper-strand well

A trough pan for scraper chain conveyors, in particular for longwall conveyors for mining use, with an upper strand trough which includes side profiles and a trough bottom having two side edges and two end edges, the opposite end edges being formed complementarily to one another, having at least partially a wavy boundary line and being provided at the transition of a top side of the trough bottom into the end edge with a chamfer having a chamfer angle, and with a supporting structure for the upper strand trough, said supporting structure comprising interconnected side cheeks which delimit a lower strand and are connected via an intermediate bottom which forms a bearing surface for the trough bottom of the upper strand trough and has terminal edges which in the assembled state lie offset to the end edges of the trough bottom, in order to provide overlapping regions in a joint region of two adjacent trough pans, the end edges being provided with a bevel having a bevel angle between the chamfer and an underside of the trough bottom, the bevel sloping more steeply than the chamfer.