公开(公告)号：WO2009054768A1

公开(公告)日：2009-04-30

申请号：PCT/SE2008/000605

申请日：2008-10-22

Applicant: IGGESUND TOOLS AB ,  ENGNELL, Mats ,  ADENT, Aaron

Inventor： ENGNELL, Mats ,  ADENT, Aaron

IPC: B27L11/00

CPC classification number: B27L11/005 ,  B27G13/04 ,  Y10T407/192 ,  Y10T407/1934 ,  Y10T407/1938

Abstract: The invention concerns a chipper knife, mountable onto a rotatable cutting head (1) of a chipper machine for cutting wood pieces into chips. The knife (2) comprises a mirror symmetrical cross-section. A chip guiding surface (14, 14') is formed from an edge forming surface (10, 10') at each cutting edge to the deflector ridge's (13) crest and comprises a concavely curved chip deflecting surface (16, 16'). Each chip guiding surface (14, 14') is formed of contiguous and tangentially adjoining planar and concave surfaces in a direction from an area immediately adjacent the edge forming surface (10, 10'; 21, 21') to the deflector ridge's crest without intermediate convexly curved portions or indentations making discontinuities or abrupt changes in the direction, and comprises a first planar contact surface (15, 15') bearing against an inner clamping member (4) and formed on the chip guiding surface adjacent the deflector ridge's crest. The invention also concerns a chipper knife assembly and a method for mounting a chipper knife in a rotatable cutting head.

Abstract translation: 本发明涉及一种切片刀，可安装在切片机的可旋转切割头（1）上，用于将木片切割成碎片。 刀（2）包括镜对称的横截面。 芯片引导表面（14,14'）由每个切割边缘处的边缘形成表面（10,10'）形成到偏转器脊（13）的顶部，并且包括凹曲面的切屑偏转表面（16,16'）。 每个芯片引导表面（14,14'）由邻近边缘形成表面（10,10'; 21,21'）的区域的方向连续且切向相邻的平面和凹面形成， 中间凸出的弯曲部分或凹陷造成不连续或方向的突然变化，并且包括一个与内部夹持件（4）相对并且形成在与导流板脊顶相邻的芯片引导表面上的第一平面接触表面（15,15'）。 本发明还涉及一种切屑刀组件和一种将切割刀安装在可旋转切割头中的方法。

公开(公告)号：WO2008085111A1

公开(公告)日：2008-07-17

申请号：PCT/SE2008/000010

申请日：2008-01-08

Applicant: IGGESUND TOOLS AB ,  ENGNELL, Mats

Inventor： ENGNELL, Mats

IPC: B27L11/00

CPC classification number: B27L11/005 ,  Y10T29/49748

Abstract: The invention relates to a chipper knife of the type that is adapted to be mounted in chippers which have a rotatable tool, in the form of a disc, drum or frustoconical member, on which are mounted a plurality of such chipper knives to provide, during rotation of the tool and simultaneous feeding of pieces of wood to the same, material-cutting working or disintegrating of the pieces of wood into chips. The chipper knife comprises at least one cutting edge (7) which is defined between two edge-forming surfaces (9, 10) at an acute angle to each other. At least one of the two edgeforming surfaces is formed with a thickened cutting edge portion (12) in the area next to the cutting edge, said thickened cutting edge portion having a shoulder edge (13) toward the rest of the edge-forming surface and forming an angle to, or having a different centre of curvature to, the rest of the edgeforming surface. The invention also relates to a method of manufacturing such a chipper knife.

Abstract translation: 本发明涉及一种适于安装在切片机中的切片刀，该切片机具有圆盘，滚筒或截头圆锥形部件形式的可旋转工具，其上安装有多个这种切割刀以在 工具的旋转和同时进给木材片材，切割加工或将木片分解成碎片。 切割刀包括至少一个切割边缘（7），该切割边缘彼此成锐角地限定在两个边缘形成表面（9,10）之间。 两个边缘成形表面中的至少一个在与切割边缘相邻的区域中形成有加厚的切割边缘部分（12），所述加厚的切割边缘部分具有朝向边缘形成表面的其余部分的肩部边缘（13），并且 与边缘形成表面的其余部分形成一角度或具有不同的曲率中心。 本发明还涉及制造这种切片刀的方法。

公开(公告)号：EP0804321A1

公开(公告)日：1997-11-05

申请号：EP95921182.0

申请日：1995-04-19

Applicant: IGGESUND TOOLS AB

Inventor： FRICK, Anders ,  ENGNELL, Mats

IPC: B27L11

CPC classification number: B27L11/005 ,  Y10T83/8791 ,  Y10T407/235 ,  Y10T407/245

Abstract: A knife for disk type chip cutter machines with a circular rotatable cutter disk (10) on its first axial side being provided with several knives running from the disk centre to its periphery. An opening (14) is provided in the disk in connection with each knife. The opening (14) has a chip guiding surface to guide separated chips to the other axial cutter disk side. The knife includes a knife carrier, on which the knife is fixed between a first carrier part (18) provided essentially in line with the first axial cutter disk surface and second carrier part (16) extending downwards in the opening from said cutter disk surface into the cutter disk inside and being a part of the chip guiding device. The knife (12) is on its side facing the other carrier part provided with a chip breaking surface (22) passing the other carrier part (16) into the opening and protecting said carrier part from wear in that the separated chips by means of the chip breaking surface are guided in a direction away from the carrier part.

公开(公告)号：EP1309433A1

公开(公告)日：2003-05-14

申请号：EP01950180.8

申请日：2001-07-13

Applicant: IGGESUND TOOLS AB

Inventor： BILLER, Sven-Olof ,  GRANSTRÖM, Olov ,  ENGNELL, Mats

IPC: B27L11/00

CPC classification number: B27L11/005 ,  Y10T83/9319 ,  Y10T407/13

Abstract: The invention relates to a chipper knife for chippers of the type comprising a tool (12) which is rotatable on an axis of rotation and is in the form of, for example a drum, disc or truncated conical body, which supports a plurality of such chipper knives. The chipper knife comprises at least one cutting edge (1) which is formed between a flank (2, 2') and a chip guiding surface (4, 4'), and two opposite main surfaces (3, 3') which are adapted to abut against and be retained on the opposite seats (14, 15) of a holder (9, 10) on the tool. At least one main surface (3, 3') of the chipper knife which is located on a wood side of the chipper knife comprises a cross-sectionally convexly bent surface portion (6, 5') which connects to and extends backwards from the flank (2, 2') and the chord of which constitutes at least 20 %, preferably at least 30 % and, most preferably, at least 40 % of the total cross-sectional length of the chipper knife. The invention also relates to a holder for such a chipper knife.

Abstract translation: 本发明涉及一种用于这种类型的削片器的削片器，该削片器包括一个工具（12），该工具可在一个旋转轴线上旋转并且例如是一个鼓，圆盘或截头圆锥体的形式，其支撑多个 削片刀。 削片刀包括至少一个形成在侧面（2,2'）和切屑引导表面（4,4'）之间的切削刃（1），以及两个相对的主表面（3,3'），所述主表面 抵靠并保持在工具上的保持器（9,10）的相对的座（14,15）上。 位于削片刀的木材侧上的削片刀的至少一个主表面（3,3'）包括横截面凸出弯曲的表面部分（6,5'），该表面部分连接到侧面并从侧面向后延伸 （2,2'），其弦线构成削片刀总截面长度的至少20％，优选至少30％，最优选至少40％。 本发明还涉及一种用于这种削片刀的支架。

公开(公告)号：EP1309433B1

公开(公告)日：2006-05-17

申请号：EP01950180.8

申请日：2001-07-13

Applicant: IGGESUND TOOLS AB

Inventor： BILLER, Sven-Olof ,  GRANSTRÖM, Olov ,  ENGNELL, Mats

IPC: B27L11/00

CPC classification number: B27L11/005 ,  Y10T83/9319 ,  Y10T407/13

Abstract: The invention relates to a chipper knife for chippers of the type comprising a tool (12) which is rotatable on an axis of rotation and is in the form of, for example a drum, disc or truncated conical body, which supports a plurality of such chipper knives. The chipper knife comprises at least one cutting edge (1) which is formed between a flank (2, 2') and a chip guiding surface (4, 4'), and two opposite main surfaces (3, 3') which are adapted to abut against and be retained on the opposite seats (14, 15) of a holder (9, 10) on the tool. At least one main surface (3, 3') of the chipper knife which is located on a wood side of the chipper knife comprises a cross-sectionally convexly bent surface portion (6, 5') which connects to and extends backwards from the flank (2, 2') and the chord of which constitutes at least 20 %, preferably at least 30 % and, most preferably, at least 40 % of the total cross-sectional length of the chipper knife. The invention also relates to a holder for such a chipper knife.