POLYURETHANE VIBRATORY SCREEN

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(11)

EP 4 219 027 A3

(12)	EUROPEAN PATENT APPLICATION

(88)	Date of publication A3:
	04.10.2023 Bulletin 2023/40

(43)	Date of publication A2:
	02.08.2023 Bulletin 2023/31

(21)	Application number: 23157742.0

(22)	Date of filing: 28.02.2014

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International Patent Classification (IPC):

B07B 1/46^(2006.01)

(52)	Cooperative Patent Classification (CPC):
	B07B 1/4609; B07B 1/4663; B07B 1/4681

(84)	Designated Contracting States:
	AL AT BE BG CH CY CZ DE DK EE ES FI FR GB GR HR HU IE IS IT LI LT LU LV MC MK MT NL NO PL PT RO RS SE SI SK SM TR

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Priority:

15.03.2013 US 201313838968

(62)	Application number of the earlier application in accordance with Art. 76 EPC:
	14711661.0 / 2969265

(71)	Applicant: Derrick Corporation
	Buffalo, NY 14225 (US)

(72)	Inventors:
	Lipa, Anthony J. Williamsville, 14221 (US) Colgrove, James R. East Aurora, 14052 (US)

(74)	Representative: Boult Wade Tennant LLP
	Salisbury Square House 8 Salisbury Square London EC4Y 8AP London EC4Y 8AP (GB)

(54)	POLYURETHANE VIBRATORY SCREEN

(57) A molded polyurethane vibratory screen including a body having opposite side edge portions, upper and lower edge portions, an upper surface and a lower surface, first members extending between the side edge portions and the second members extending between the lower edge portion and the upper edge portion, third members substantially parallel and extending transversely between the side edge portions and having multiple first members therebetween, the fourth members substantially parallel and extending transversely between the lower edge portion and the upper edge portion and having multiple second members therebetween, reinforcement members molded integrally with the third and fourth members.

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