US7140559(BEHR SYSTEMS INC [US])
16. The spraying device according to claim 15 wherein at least two valve assemblies whose outlet ports lie in a common first plane running perpendicular to the longitudinal axis of the central passage are disposed distributed round the longitudinal axis of the central passage and wherein at least two additional valve assemblies, whose outlet ports lie in a second plane parallel to the first plane, are disposed around the longitudinal axis of the central passage distributed such that the valve assemblies of the one plane in the circumferential direction of the central passage lie between the valve assemblies of the other plane.
US10124928(SCHOTT AG [DE])
[0031] According to a further embodiment, the side walls are disposed distributed in a regular hexagonal arrangement on the lower side and/or upper side of the carrier. Overall, a honeycomb structure is formed in this way, which can contribute advantageously to a further stiffening of the carrier. Here, the side walls of adjacent apertures or receptacles are preferably connected with each other.
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