公开(公告)号：US12220858B2

公开(公告)日：2025-02-11

申请号：US17555242

申请日：2021-12-17

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Paul D. Graham ,  Douglas A. Davis ,  Thomas E. Pahl ,  John G. Petersen ,  Graham M. Clarke ,  James J. Kobe ,  Thomas B. Galush ,  Charles R. Wald ,  Brian W. Lueck

IPC: B29C59/04 ,  B24D11/00 ,  B24D11/02 ,  B32B3/18 ,  B32B27/08 ,  B32B27/00 ,  B32B27/30 ,  B32B27/40

Abstract: Various embodiments disclosed relate to an abrasive sheet. The abrasive sheet includes a first layer including an abrasive major surface and an opposite second layer defining a second major surface. The second major surface includes a plurality of protrusions extending outwardly from the second major surface. The protrusions include a first polymer component having at least one of a Shore A hardness ranging from about 5 to about 100 and a Shore D hardness ranging from about 1 to about 70. The first layer and the second layer are directly joined to each other.

公开(公告)号：US20200070314A1

公开(公告)日：2020-03-05

申请号：US16611340

申请日：2018-05-04

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Paul D. Graham ,  Douglas A. Davis ,  Thomas E. Pahl ,  John G. Petersen ,  Graham M. Clarke ,  James J. Kobe ,  Thomas B. Galush ,  Charles R. Wald ,  Brian W. Lueck

IPC: B24D11/00 ,  B24D11/02 ,  B32B27/08 ,  B32B3/18 ,  B29C59/04

Abstract: Various embodiments disclosed relate to an abrasive sheet. The abrasive sheet includes a first layer including an abrasive major surface and an opposite second layer defining a second major surface. The second major surface includes a plurality of protrusions extending outwardly from the second major surface. The protrusions include a first polymer component having at least one of a Shore A hardness ranging from about 5 to about 100 and a Shore D hardness ranging from about 1 to about 70. The first layer and the second layer are directly joined to each other.

公开(公告)号：US09969059B2

公开(公告)日：2018-05-15

申请号：US15201803

申请日：2016-07-05

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： John G. Petersen

IPC: B24D11/02 ,  B24D3/00 ,  B24D11/00

CPC classification number: B24D11/02 ,  B24D3/002 ,  B24D11/001

Abstract: A sheet of sandpaper includes a backing layer having opposed first and second major sides, an adhesive make coat on the second major side, abrasive particles at least partially embedded in the make coat, thereby defining an abrasive surface, and an exposed laminated non-slip layer on the first major side. Methods of making and using such sandpaper are also provided.

公开(公告)号：US20170304996A1

公开(公告)日：2017-10-26

申请号：US15518280

申请日：2015-11-20

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Paul D. Graham ,  Douglas A. Davis ,  Yugeun P. Yang ,  Thomas E. Pahl ,  James J. Kobe ,  Christopher J. Lee ,  Thomas B. Galush ,  John G. Petersen

IPC: B24D11/02 ,  B32B27/08 ,  B24D11/00

CPC classification number: B24D11/02 ,  B24D11/001 ,  B32B27/08

Abstract: An abrasive article is provided that has a backing having opposed first and second major surfaces, an abrasive layer disposed on the first major surface, and a plurality of protrusions extending outwardly from the second major surface. The protrusions comprise a polymer having a Shore A hardness ranging from 5 to 90. These articles provide an alternative sanding solution enabling abrasive articles lacking an attachment layer to be handled effectively and efficiently, providing for a technically superior abrasive sheet on the marketplace that does not use or require an attachment layer.

公开(公告)号：US20170043450A1

公开(公告)日：2017-02-16

申请号：US15023709

申请日：2015-04-23

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Paul D. Graham ,  Yugeun P. Yang ,  Douglas A. Davis ,  Thomas E. Pahl ,  John G. Petersen

IPC: B24D3/28 ,  B24D11/02 ,  B24D3/00

CPC classification number: B24D3/28 ,  B24D3/002 ,  B24D11/02

Abstract: A flexible abrasive article includes a unitary backing having first and second opposed major surfaces and comprising a polyurethane. In some embodiments, the backing has an average thickness of from 4 to 6 mils (102 to 152 microns), a tensile strength of 500 to 3200 psi (3.45 to 22.1 MPa), and an ultimate elongation of 230 to 530 percent. In some embodiments, the flexible abrasive article has a tensile strength of 400 to 2400 psi (2.8 to 16.5 MPa), and a ultimate elongation of 180 to 380 percent. An abrasive layer is disposed on and secured to the unitary backing.

Abstract translation: 柔性磨料制品包括具有第一和第二相对主表面并且包含聚氨酯的整体背衬。 在一些实施方案中，背衬具有4-6密耳（102至152微米）的平均厚度，500至3200psi（3.45至22.1MPa）的拉伸强度和230至530％的极限伸长率。 在一些实施方案中，柔性磨料制品的拉伸强度为400至2400psi（2.8至16.5MPa），极限伸长率为180至380％。 研磨层设置在并固定到整体背衬上。