Wear resistant funnel sheet element for material guide chute

Patent metadata

Field	Value
Publication number	US-10583987-B2
Application number	US-201616311461-A
Country	US
Kind code	B2
Filing date	Jun 23, 2016
Priority date	Jun 23, 2016
Publication date	Mar 10, 2020
Grant date	Mar 10, 2020

Abstract

A wear resistant funnel sheet element for a material guide chute includes first and second edges located at a tapered angle from each other. Interlinking fastening features are provided in order to mate the respective edges of at least one of the wear resistant funnel sheets to form a funnel element. The sheet element may be a molded flat piece of a rubber material, which serves as an interchangeable wear part on a material guide chute.

First claim

The invention claimed is:

1. A wear resistant funnel sheet element for a material guide chute, comprising:
a first edge and a second edge, the first edge and the second edge being located oppositely and at a tapered angle to each other; and
a plurality of fastening features located at the first and second edges, the first edge being arranged to mate with the second edge for forming a funnel element from at least one of said wear resistant funnel sheet elements, the plurality of fastening features being a plurality of interlinking connector elements arranged to form a frustoconical or frustopyramid shape funnel element from the at least one of said wear resistant funnel sheet elements, the plurality of interlinking connector elements forming a releasable connection between the first and second edges of either the same wear resistant funnel sheet element or a combination of two or more wear resistant funnel sheet elements, wherein each of the plurality of interlinking connector elements includes a through-hole that align together in combination, the alignable through-holes being arranged such that the through-holes of adjacent interlinking connector elements align to receive a rod element therethrough to form a seam joining the first and second edges, the through-holes including protruding structures arranged to facilitate insertion of the rod.

2. The wear resistant funnel sheet element of claim 1 , including an inlet end edge located at a wider end of the first and second edges, said inlet end edge including a connection structure for releasable connection with a holder funnel element when the funnel element is assembled.

3. The wear resistant funnel sheet element of claim 2 , further comprising an outlet end edge located at a narrower end of the first and second edges, said outlet end edge being straight or concavely curved and the inlet end edge being straight or convexly curved.

4. The wear resistant funnel sheet element of claim 1 , wherein the first edge includes a flange overhanging the fastening features, such that, when formed into a funnel element the fastening features are covered at an internal wall thereof.

5. The wear resistant funnel sheet element of claim 1 , the sheet element being moulded as a flat piece from a material having a Shore A hardness of 50-70°.

6. The wear resistant funnel sheet element of claim 1 , wherein an angle by which a wall of the assembled funnel element extends relative to a longitudinal axis thereof is in the range 3 to 30°, 5 to 20°, 6 to 18°, 8 to 14° or 10 to 13°.

7. A material guide chute comprising a plurality of funnel sections, arranged telescopically, each funnel section including a funnel element and a holder funnel element interconnected axially, wherein the funnel element includes at least one wear resistant funnel sheet element according to claim 1 .

8. The material guide chute of claim 7 , wherein a flexibility of the funnel element is greater than a flexibility of the holder funnel element.

9. The material guide chute of claim 7 , wherein the funnel element is located radially around a connecting wall of the holder funnel element.

10. A method of constructing a funnel element for connection to a holder funnel element in order to form a funnel section for a material guide chute, including the steps of:
providing at least one wear resistant funnel sheet element having fastening features at a first edge thereof;
fastening the first edge via the fastening features to a second edge of the same or another funnel sheet element and, by bending about a longitudinal axis, forming the funnel element into a frustoconical or frustopyramid shape, the fastening features being interlinking connectors located at both the first and second edges, wherein each of interlinking connector element includes a through-hole that align together in combination, the through-holes being arranged such that the through-holes of adjacent interlinking connector elements align to receive a rod element therethrough to form a seam joining the first and second edges, the through-holes including protruding structures arranged to facilitate insertion of the rod; and
threading a rod element through the alignable through-holes to fasten the respective first and second edges together, the alignable through-holes including protruding structures arranged to facilitate insertion of the rod element.

11. The method according to claim 10 , wherein the fastening features are interlinking connectors located at both the first and second edges that include a plurality of alignable openings, wherein a rod is threaded through said alignable openings in order to fasten the respective first and second edges together.

Assignees

• Sandvik Intellectual Property

Inventors

• Henssien Adrien
• Malmberg Mats

Classifications

• B65G11/18

  Supports or mountings · CPC title

• B65G11/146

  for bulk · CPC title

• B65G11/10

  flexible · CPC title

• B65G11/083 Primary

  for bulk (B65G11/085 takes precedence) · CPC title

• B65G2207/30

  Modular constructions · CPC title