US3571846A - Expansion support platform for tenter machine guide rail sections - Google Patents

Expansion support platform for tenter machine guide rail sections Download PDF

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Publication number
US3571846A
US3571846A US793817*A US3571846DA US3571846A US 3571846 A US3571846 A US 3571846A US 3571846D A US3571846D A US 3571846DA US 3571846 A US3571846 A US 3571846A
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US
United States
Prior art keywords
saddle
guide rail
crossmember
saddles
rail sections
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Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Expired - Lifetime
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US793817*A
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English (en)
Inventor
William Tomlinson
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Bevis Industries Inc
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Bevis Industries Inc
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Publication date
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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/04—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique
    • B29C55/08—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets uniaxial, e.g. oblique transverse to the direction of feed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C55/00—Shaping by stretching, e.g. drawing through a die; Apparatus therefor
    • B29C55/02—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets
    • B29C55/10—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial
    • B29C55/12—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial
    • B29C55/16—Shaping by stretching, e.g. drawing through a die; Apparatus therefor of plates or sheets multiaxial biaxial simultaneously
    • B29C55/165—Apparatus therefor
    • D—TEXTILES; PAPER
    • D06—TREATMENT OF TEXTILES OR THE LIKE; LAUNDERING; FLEXIBLE MATERIALS NOT OTHERWISE PROVIDED FOR
    • D06C—FINISHING, DRESSING, TENTERING OR STRETCHING TEXTILE FABRICS
    • D06C3/00—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics
    • D06C3/02—Stretching, tentering or spreading textile fabrics; Producing elasticity in textile fabrics by endless chain or like apparatus

Definitions

  • Thisinvention relates -to afplatform .for Fieldoi Search 18/1 (FB) supporting the ends of pivotally connected tenter clip guide rail sections as adjustrnent of the saddle places the ends in References Cited angular relationship or as expansion and contraction o f a d UNITED STATES PATENTS jacent guide rail sections causes the opposite ends thereof 7 3,179,976 4/1965 Nash 18/ 1 to ov w r or way from each other.
  • FB Fieldoi Search 18/1
  • the saddle was wide enough to support the guide rail ends at the maximum angle adjustment between the ends of two guide rail sections.
  • the saddle was also wide enough to accommodate the 8-inch linear movement of the hinge pin, movable due to the thermal expansion and contraction of adjacent guide rail sections.
  • tenter machines are built in excess of 120 feet long and the angular relation of adjacent ends of guide rail sections has increased in order to provide a stretching zone dictated by the physical characteristics of the plastic film.
  • the stretching zone is the complementary contour of oppositely located guide rail sections formed inthe tenter machine.
  • the movement of the hinge pin exceeds 21 inches.
  • a saddle to accommodate increased movement of the hinge pin and increased angularity of adjacent guide rail section ends would have to be larger than is commercially practicable.
  • Applicant has solved the problem of supporting adjacent ends of guide rail sections in both longitudinal movement and angular lateral movement by providing telescoping slide plates.
  • the lower plate is slidably supported upon the saddle.
  • the upper slide plate is slidably supported upon the lower slide plate and supports the hinge pin and ends of adjacent guide rail sections at maximum angular relation while providing a smooth guide rail path for the travel of the tenter clip chain through the multiple guide rail sections.
  • a tenter guide rail path must be smooth. if a jar is imparted to a tenter clip, the plastic film, in heat-softened condition, is rendered economically useless.
  • Another object of the present invention is to provide a support for the hinge pin and adjacent pivotally connected ends of guide rail sections, wherein the maximum angularity between adjacent guide rail section ends are supported to provide a smooth tenter clip path at the juncture of adjacent guide rail sections.
  • FlG. l is a plan view of a tenter machine in accordance with the present invention.
  • H6. 2 is a right sidefelevational view
  • l-"lG. 3 is a fragmentary perspective view, partly in section,
  • FlG. d is a view similar to FlG. 3, showing the guide rail section perpendicular to the saddle, at maximum heat expanded position.
  • PEG. 5 is a perspective exploded view of the several parts constituting the new and improved platform.
  • MG. 6 is a vertical cross-sectional view talten along line 6-6 of FllG. t.
  • HG. 7 is a view, similar to FIG. 5, illustrating a modified form of structure constituting a platform for tenter machine guide rail section ends.
  • HO. 3 is a view, similar to FIG. 6, illustrating the modified structure shown in FlG. 7, in relation to the saddle of a tenter machine.
  • FlG. 9 is a vertical sectional view taken on line 9-9 of FIG. 1, with the rail structure left off.
  • the machine illustrated see FIGS ll, 2 and 9, consists of a left side frame if and a rightside frame l2 which are in the form of l-beams.
  • a plurality of legs or standards 13 are fixed to left and right side frames ill and 12, respectively as by welding, to support said frames ll, 112 at a preselected distance above a floor.
  • a plurality of crossmembers B7, 17A, 17B, ll7C, etc. are fastened, by means of welding, to left side frame ill at 15, 15A, 153, etc., and to right side frame 12 at 14, MA, MB, etc.
  • Each crossmember 17, 17A, 173, etc. is machine finished to provide a track consisting of a top 30 and opposite sides 31, 32, for purposes which will presently appear.
  • a plurality of bearings, 18, 18A, 188, MC, etc. are adapted to engage tops 30, 30A, 308, etc., respectively, and grip opposite sides 31, 32; 31A, 32A, 31B, 328; etc., respectively, over left side frame ll.
  • Bolts 20 fasten bearings l3, l8A, 188, etc., to crossmembers l7, l7A, 1178, etc., respectively.
  • a corresponding plurality of bearings 19, 19A, 198, etc. are adapted to engage tops 30, 30A, 308, etc., respectively, and grip opposite sides 31, 32; 31A, 32A; 31B, 328, etc., respectively, over right side frame l2.
  • Bolts 9 fasten bearings 19, 19A, 198, etc., to crossmembers l7, ll7A, l7B, etc., respectively.
  • a plurality of center bearings 24, 24A, 24B, etc. engage crossmembers 117, WA, 178, etc., respectively, in a manner described for bearings 18 and i9.
  • Bolts 33 fasten bearings 24, 24A, 248, etc., respectively, to crossmembers l7, 17A, 178 etc., respectively.
  • a plurality of shafts 21, 21A, ZllB, etc. are provided with bearing surfaces 345, 35, 36, which are rotatively mounted in bearings l8, l9 and 24, respectively.
  • Shafts Zll, 21A, 218 etc. are provided with a right hand thread 31%, 38A, 388, etc., respectively, for purposes which will presently appear.
  • a plurality of hand wheels 22, 22A, 228, etc. are fastened to one end of shafts 21, 21A, 218 etc., respectively, for the manual rotation thereof.
  • a plurality of saddles db, 40A, 408, etc. are provided with sliding faces ill, MA, MB, etc., and sliding ends 42, 43; 42A, 43A; 42B, 438, etc., respectively, to slidingly engage tops 30, 36 A, 308, etc., and slides 31, 32, etc., respectively.
  • saddle 40 The construction of saddle 40 will be described. lt will be understood that saddles WA, 40B, 40C, etc., are identical in construction.
  • Saddle 490 is provided with a plurality of inverted U-shaped projections 50, 51,54 and 55 which form chambers 56, 57 and 6th inverted U-shaped projections $0, 5t, 54, 55 straddle shaft 2i to allow shaft 21 to freely rotate.
  • a nut bl provided with a screw thread of a hand adapted to rotatively engage left hand thread 38 is located in chamber 56 and is held therein by means of inverted U-shaped projections 50, 51.
  • Rotation of hand wheel 22 causes nut bl to engage either inverted Ushaped projection 56 or St to slide saddle 40 upon crossmember l7 toward or away from bearing H9.
  • a block lllil is fastened to the medial area of saddle M), as by welding.
  • a lower plate 101 is provided with a recess, generally indicated by reference numeral 99, formed by means of sides N2, 503 and bottom Mid, and an opening M35 having sides 1%.
  • Lower plate ltll, through lower sliding surface 167, is slidably mounted upon bearing surface lltlti of saddle til, with opening 105, through sides we, slidably engaging the sides lltlilA and ltlllB of block ltlil.
  • Opening W5 is therefore longer in a longitudinal direction, so as to allow lower plate lilll to slide longitudinally relative to saddle at).
  • a batten plate 110 is located in recess 99 and engages bottom 104 and the sides 102, 103 slidably engage the sides of batten plate 110. Batten plate 110 is fastened to block 100 by means of screws 111.
  • Two rectangular projections 112, 113 are fastened to lower plate 101, as by means of welding.
  • An upper slide plate 115 is provided with arched central portion 116 having a raised pad 117 and upper side areas 118 and 119.
  • the lower surface 120 of arched central portion 116 provides clearance for the sliding movement of upper slide plate 115 over batten plate 110.
  • Lower side areas 121 and 122 of plate 115 slidably engage lower plate 101.
  • Two parallel longitudinal slots 124, 125 are provided in plate 115 so as to slidably engage, respectively, projections 112 and 113.
  • Straps 127 and 128 overlie, respectively, slots 124 and 125. Straps 127, 128 are fastened, respectively, to projections 112, 113 as by means of screws 130.
  • a hinge pin 131 is fastened in raised pad 117 as by means of a drive fit or welding or the like.
  • the lower plate 101 and theupper plate 115 constitute an intermediate member between the saddle 40 and the adjacent guide rail section ends, whereby the ends are pivotally connected and supported in sliding movement by the intermediate member.
  • a plurality of rail members 65, 65A, 65B, 65C, etc. are provided with tenter clip tracks or paths 66, 67; 66A, 67A; 66B, 678, etc., respectively, and pivotal recesses 68, 68A, 683, etc., respectively, on one end and pivotal tongues 70, 70A, 70B, etc., respectively, on the opposite end.
  • Pivotal tongues 70, 70A, 708, etc. are adapted to pivotally engage hinge pins 131, 131A, 1318, etc., respectively, and lie in the respective pivotal recess. In this manner a continuous left side and a continuous right side rail member is provided as generally indicated by reference characters 72, 73, respectively.
  • guide rail members 65, 65A, 65B, etc. are provided with projections 75, 76 which have, respectively, sliding weight-carrying surfaces 75A, 76A supported upon upper plate 115.
  • FIG. 1 shows that the straight guide rail members or sections at the sheet or web receiving region and at the sheetdischarging region general use-con stitute one or more individual straight guide rail sections of a length normally greater than the length of the intermediate divergent straight guide rail sections.
  • the plurality of pivotally connected or hinged guide rail sections provide an infinite variety of curves.
  • a reverse curve of equal and opposite contours, or the milk bottle contour curve narrow at the neck and widening out.
  • sliding weight-carrying surfaces, 75A, 76A must be supported.
  • sliding weight-carrying surface 76A at the angle shown, lies beyond a vertical plane Z parallel to the side of saddle 40 so that bearing surface 108 is unable to support sliding surface 76A in the absence of upper and lower sliding plates 101 and 115.
  • FlGS. 7 and 8 illustrate a modified form of intermediate plate construction.
  • the crossmember 17, the shaft 21, saddle 40, nut 61, are all constructed as previously described, with the exception of block 100. in F108. 7 and 8 block 100A is fastened to or integrally formed as part of saddle 40.
  • Block 100A is provided with dovetail grooves 150, 151.
  • An intermediate plate generally indicated by reference numeral 160 is provided with companion dovetail grooves 152, 153, and side areas 154, 155 and a bottom surface 156.
  • lnterrnediate plate 160 is slidably mounted upon saddle 40 with bottom surface 156 slidably engaging bearing surface 108 and with dovetail grooves 150, 152 and 151, 153, respectively, in sliding relationship to retain plate 160 upon saddle 40.
  • Hinge pin 131 is fastened in intermediate plate 160 for the purpose of pivotally connecting the adjacent ends of guide rail sections as previously described.
  • End caps 157 and 158 fastened to plate 160 as by screws 159 may be provided to limit the relative movement of intermediate plate 160 upon block 100A.
  • FIG. 1 there is fragmentarily illustrated portions of tenter clip chains and 81 constituting tenter clips 82 pivotally connected together.
  • the tenter clip chains 80, 81 rotate in tenter clip tracks 66, 67, respectively.
  • the tenter machine is provided with two driving sprockets 170, 171 and two driven sprockets 176, 177.
  • Tenter chain 81 is operatively connected to sprockets 170, 171.
  • Tcnter chain 80 is operatively connected to sprockets 171, 177.
  • Tentering chains 80, 81 rotate in'the direction of arrows A" and respectively.
  • tenter chains 80, 81 in tenter clip tracks 66, 67, respectively carry the web to be stretched from the sheet-receiving region of the tenter machine between sprockets 176, 177 to the delivery end or sheet-discharging region of the tenter machine between sprockets 170, 171.
  • An expansion support platform for tenter machine guide rail sections comprising a frame, a plurality of crossmembers secured to said frame, a plurality of bearings, three for each crossmember, fastened to the ends and the center of each crossmember, a plurality of shafts, one for each crossmember, each shaft having a right-hand threaded section, a left-hand thread section, and a medial bearing area, said shafts rotatively mounted in said plurality of bearings with said medial bearing area located in the bearing fastened to the center of the crossmember, a plurality of hand wheels, means fastening a hand wheel to each of said plurality of shafts, a plurality of saddles, each saddle having a medially located block, two saddles for each crossmember, a plurality of nuts, one for each saddle, a nut secured in each saddle, one nut slidably mounting one saddle to a crossmember and to a right-hand thread section, another nut secured in another saddle slidably mounting the last-mentioned saddle to
  • An expansion support plate form for tenter machine guide rail sections comprising a-frarne, a plurality of crossmembers fastened to said frame, a plurality of shafts, one for each crossmember, bearing means secured to said crossmembers, means secured to said crossmembers rotatively mounting said shafts to said crossmembers, each shaft having a left-hand thread and a right-hand thread, a plurality of saddles, two for and the othergroup of saddles being connected to the right hand threads through said nut means, to provide two saddles slidably mounted on each crossmember for movement toward and away from each other through rotation of the same shaft, a plurality of lower plates, one for each saddle, means slidably mounting a lower plate to each saddle, a plurality of upper plates, one vfor each saddle, means slidably mounting an upper plate to a lower plate, a plurality of hinge pins, one for each upper plate, means fastening a hinge pin to an upper plate, a plurality of guide rail sections, means pivot
  • An expansion support platform for tenter machine guide rail sections consisting of a tenter machine having a plurality of crossmembers and a plurality'of saddles, two for each crossmember, means slidably mounting said saddles to said crossmembers, a plurality of shafts, onefor each crossmember,
  • each shaft having a left-hand threaded and a right-hand, bearing means rotatively mounting said shafts to said crossmembers, said saddles being divided into two groups, means slidablyeonnecting each saddle in one group to the left-hand threads and means slidably connecting each saddle in the other group to the right-hand threads, to provide two saddles slidably mounted on each crossmember for movement toward and away from each other through rotation of the same shaft, a plurality of lower plates, one for each saddle, means slidably mounting a lower plate to each saddle, a plurality of upper plates, one for each saddle, means slidably mounting an upper plate to a lower plate, a plurality of hinge pins,-one for each ,upper plate, means fastening a hinge pin to an upper plate, a
  • each guide rail section having a tenter clip guide surface, means pivotally connecting adjacent ends of said guide rail sections'to each other through said hinge pins, said adjacent ends slidingly engaging said upper plates, whereby the tenter clip guidesurfaces form continuous tenter clip paths, the guide rail sections comprising straight sections of such length to produce curved guide paths for tenter clips, said shafts controlling the contour of said paths through said saddles and the relative position of the lower plates upon the saddles and the relative position of the upper said recess, means fast'ening said batten plate to said block.
  • an upper plate provided with upper side areas, and two parallel longitudinal slots, two parallel projections provided upon said lower plate, said upper plate slidably mounted upon said lower plate with said two parallel projections located respectively, in said two parallel longitudinal slots to limit and guide the sliding movement of said upper plate upon said lower plate, two straps, means fastening, respectively, said two straps to said two parallel projections to slidably retain the upper plate in relation to the lower plate, a hinge pin, means fastening said hinge pin to said upper plate, thereby to pivotally connect ad-..
  • An expansion support platform for tenter machine guide rail sections consisting of a tenter machine having a crossmember and a saddle, means slidably mounting said saddle to said crossmember formovement back and forth across said crossmember, a block provided with two oppositely located and parallel grooves having, respectively, parallel guide edges, an intermediate plate having complementary two oppositely located and parallel grooves having, respectively, two parallel guide edges. said last mentioned two parallel guide edges slidingly engaging said first mentioned two oppositely located and parallel grooves and said first mentioned parallel guide edges slidingly engaging said last mentioned two oppositely located and parallel grooves, and a hinge pin, means fastening said hinge pin to said intermediate plate, thereby to pivotally connect adjacent endsof guide-rail sections and to support adjacent ends of guide rail sections upon an intermediate plate.
  • An expansion support platform for tenter machine guide rail sections consisting of a tenter machine having a plurality of crossmembers and a plurality of saddles two for each crossmember, means slidably mounting said saddles to said crossmembers, a plurality of shafts, one for each crossmember, each shaft having a left-hand thread and a right-hand thread, bearing means rotatively mounting said shafts to said crossmembers, said saddles being divided into two groups, means slidably connecting each saddle in'one group to the left-hand threads, and means slidably connecting each saddle in the other group to the right-hand threads, to provide two saddles slidably mounted on each crossmember for movement toward and away from each other through rotation of the same shaft, a plurality of blocks fastened to said plurality of saddles, one block for each saddle, a plurality of intermediate plates, one for each block, means slidingly mounting an intermediate plate to a block, a plurality of hinge pins, one for each intermediate plate, means fastening a hinge pin to

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  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Textile Engineering (AREA)
  • Shaping By String And By Release Of Stress In Plastics And The Like (AREA)
  • Treatment Of Fiber Materials (AREA)
US793817*A 1969-01-24 1969-01-24 Expansion support platform for tenter machine guide rail sections Expired - Lifetime US3571846A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US79381769A 1969-01-24 1969-01-24

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US3571846A true US3571846A (en) 1971-03-23

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US793817*A Expired - Lifetime US3571846A (en) 1969-01-24 1969-01-24 Expansion support platform for tenter machine guide rail sections

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US (1) US3571846A (enrdf_load_stackoverflow)
DE (3) DE1934759C3 (enrdf_load_stackoverflow)
GB (1) GB1238594A (enrdf_load_stackoverflow)

Cited By (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836310A (en) * 1971-06-25 1974-09-17 R Crotti Apparatus for the reforming of yarn package carriers made of plastic material
EP0085200A3 (en) * 1981-11-09 1983-09-07 Marshall And Williams Company Tenter frame drive and driving method
FR2553114A1 (fr) * 1983-10-06 1985-04-12 Monforts Gmbh & Co A Rame elargisseuse a chambre de traitement chauffante pour secher et/ou fixer un pan d'etoffe textile
US5287637A (en) * 1992-03-27 1994-02-22 The Dow Chemical Company Apparatus to dry/heat treat continuous web stock of film
US20030159259A1 (en) * 2002-01-16 2003-08-28 Fuji Photo Film Co., Ltd. Tenter apparatus
US20050236456A1 (en) * 2004-04-27 2005-10-27 Lee Chun C Fabric conveying guide rail
US7073237B1 (en) * 2005-12-06 2006-07-11 Parkinson Technologies, Inc. Tenter frame joint
US20080134481A1 (en) * 2006-12-11 2008-06-12 Frank Catallo Modular tenter frame rail
CN108532189A (zh) * 2018-04-26 2018-09-14 江苏小太阳机械科技有限公司 一种强拉幅织物、厚重织物或长毛绒织物用拉幅定形机导轨鞍座
CN112659527A (zh) * 2019-10-15 2021-04-16 布鲁克纳机械有限责任两合公司 用于拉伸设备输送链条组件的夹钳车及相配属的拉伸设备
CN115652576A (zh) * 2022-10-21 2023-01-31 张家港市友成高新材料有限公司 特窄无油钢板导轨

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4336638A (en) 1975-05-23 1982-06-29 Netlon Limited Apparatus for stretching plastic webs

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179977A (en) * 1964-02-03 1965-04-27 Marshall And Williams Corp Multiple hinged rail joint
US3179976A (en) * 1962-09-05 1965-04-27 Marshall And Williams Corp Apparatus for stretching webs

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3179976A (en) * 1962-09-05 1965-04-27 Marshall And Williams Corp Apparatus for stretching webs
US3179977A (en) * 1964-02-03 1965-04-27 Marshall And Williams Corp Multiple hinged rail joint

Cited By (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3836310A (en) * 1971-06-25 1974-09-17 R Crotti Apparatus for the reforming of yarn package carriers made of plastic material
EP0085200A3 (en) * 1981-11-09 1983-09-07 Marshall And Williams Company Tenter frame drive and driving method
FR2553114A1 (fr) * 1983-10-06 1985-04-12 Monforts Gmbh & Co A Rame elargisseuse a chambre de traitement chauffante pour secher et/ou fixer un pan d'etoffe textile
US5287637A (en) * 1992-03-27 1994-02-22 The Dow Chemical Company Apparatus to dry/heat treat continuous web stock of film
US20030159259A1 (en) * 2002-01-16 2003-08-28 Fuji Photo Film Co., Ltd. Tenter apparatus
US6658708B2 (en) * 2002-01-16 2003-12-09 Fuji Photo Film Co., Ltd. Tenter apparatus
US7093333B2 (en) * 2004-04-27 2006-08-22 Chun Chang Lee Fabric conveying guide rail
US20050236456A1 (en) * 2004-04-27 2005-10-27 Lee Chun C Fabric conveying guide rail
US7073237B1 (en) * 2005-12-06 2006-07-11 Parkinson Technologies, Inc. Tenter frame joint
US20080134481A1 (en) * 2006-12-11 2008-06-12 Frank Catallo Modular tenter frame rail
US7669301B2 (en) * 2006-12-11 2010-03-02 Frank Catallo Modular tenter frame rail
CN108532189A (zh) * 2018-04-26 2018-09-14 江苏小太阳机械科技有限公司 一种强拉幅织物、厚重织物或长毛绒织物用拉幅定形机导轨鞍座
CN108532189B (zh) * 2018-04-26 2024-05-10 江苏小太阳技术发展有限公司 一种强拉幅织物、厚重织物或长毛绒织物用拉幅定形机导轨鞍座
CN112659527A (zh) * 2019-10-15 2021-04-16 布鲁克纳机械有限责任两合公司 用于拉伸设备输送链条组件的夹钳车及相配属的拉伸设备
CN112659527B (zh) * 2019-10-15 2022-09-23 布鲁克纳机械有限责任两合公司 用于拉伸设备输送链条组件的夹钳车及相配属的拉伸设备
CN115652576A (zh) * 2022-10-21 2023-01-31 张家港市友成高新材料有限公司 特窄无油钢板导轨

Also Published As

Publication number Publication date
DE1934759A1 (de) 1970-07-30
DE1934759C3 (de) 1974-06-20
DE6927103U (de) 1974-08-22
DE1966729A1 (de) 1974-03-14
DE1934759B2 (de) 1973-11-22
GB1238594A (enrdf_load_stackoverflow) 1971-07-07

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