• Title/Summary/Keyword: blind stitch

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A Study on the Effect of Drape by the Construction Method of th eCircular Skirt (Circular Skirt의 구성방법에 따른 Drape효과에 관한 연구)

  • 홍정민
    • Journal of the Korean Society of Costume
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    • v.33
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    • pp.217-228
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    • 1997
  • The purpose of this study was to investigate influence of the construction method of the circular skirt on drapability and shape of static silhouette and length variation. In made 24 types of skirts giving the variations (six kinds of peach skin-like finished fabrics two types of cutting method two types of machine stitch method of hem), The results were as follows: 1. Analysis of drapability In the cutting method thre was similarity between warp direction and true bias direc-tion. In the machine stitch method of hem there was similarity between blind stitch and blind stitch machine. According to the fabrics analysis of drapability was excellent in the order N/P 80/20(fabric 1)>P 100(fabric 5)>P 100(fabric 6)>P 100 (fabric 2)>P 100 (fabric 4)>N/C 50/50(fabric 3). 2. Analysis of the characteristics values of static silhouette shape In the cutting method shape of static sil-houette became wide in the warp direction. In the machine stitch method of hem shape of static silhouette became wide in the blind stitch. According to the fabrics shape of static silhouette became most wide in the N/C 50/50(fabric 3) and shape of static sil-houette become most narrow in the P 100(fabric 2,5) 3. Analysis of the length variation In the cutting method the true bias direc-tion was longer than the warp direction. In the machine stitch method of hem there was simi-machine stitch method of hem there was simi-larity between blind stitch and blind stitch ma-chine. In fabrics the P 100(fabric 6) showed the longest the N/C 50/50(fabric 3) showed most slight. Interaction between the cutting and messure-ment part of skirt lengh. In the warp diretion parts that showed longest length variation were C. G, K, O in the true bias diretion parts that showed most slight length variation were A, E, M, I.

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A Study on the Sewing Construction of a Girl's Double Robe - Focusing on the Double Robe of Princess Chungyun (1752-l821) in tate Chosun Dynasty (여아(女兒) 2벌 당의(唐衣)의 봉제구성에 관한 연구 -조선후기 청연군주($1752{\sim}1821$) 2벌 당의를 중심으로-)

  • Im, Seng-Im;Ryu, Bo-Young
    • Korean Journal of Human Ecology
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    • v.13 no.3
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    • pp.467-475
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    • 2004
  • The purpose of this study was to examine the sewing construction of a double robe, the difference between the single and double robe, and the size and construction method of the double robe through a close analysis of a replica to facilitate a better understanding of the robe making in late Chosun dynasty. The results were as follows: 1. There was no significant difference in the design and sewing method between the girl's robe and an adult's even though the girl's robe was much smaller. 2. The girl's robe differed from its modern counterparts in some respects: unlike modem robes, Chungyun's robe consisted of two-layers in which the four layers were sewn together and it could be seen most clearly in the way the collar was stitched only onto the outer layer. The two layers seemed to be put on successively since they were not sewn together. The inner collars of the two robes were sewn together when the maker put on a coat string to the outer robe, and the two robes were put together with hemming and blind stitch at the top of the outer collars to make the robe formally stable, which clearly distinguished the princess' robe from a single, for example, four-layered robe. The robe was constructed using traditional sewing methods including broad stitch, back stitch, hemming, and blind stitch, and each stitch was only about 1 mm wide. 3. The maker of the robe managed to construct a formally stable and aesthetically satisfactory robe with the least amount of fabric and proper sewing methods.

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An Analysis of the Questions about Sewing Methods of Hanbok in Korea Skills Competition (기능경기대회에 출제된 한복분야 바느질법 분석)

  • Kim, Ji-Hyoun;Song, Jung-A
    • Fashion & Textile Research Journal
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    • v.16 no.6
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    • pp.927-934
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    • 2014
  • Today Hanbok, the symbol of our nation's culture, has been preserved as cultural heritage despite natural and social environmental changes over years. This study is analyzing Hanbok which were taken in the National Skills Competition from 2000 to 2013; it presents our traditional stitching methods and clarifies the pride the Hanbok artisans have as inheriting the traditional heritage. Therefore this paper contributes to continuous and proper development of the culture of Hanbok and being loved by many people. The assignments about Hanbok featured in the National Skills Competition were categorized by national and local competition, time required to produce assignments, required amount of fabric, type of stitching, unlined and lined clothes depending on the type of assignment; according to the classification, methods for sewing were analyzed in detail. First, the national tournament presented 12 kinds of sewing techniques; especially hand-sewn stitching method appeared in common. Second, the unlined and lined clothes depending on the type of assignments had applied different sewing methods; double-stitching, flat fell seam, french seam, roll over sewing, blind stitch, right angle blind stitch, decorative saddle stitching, darning, etc. were used. Sewing methods in the 21st century has not changed over the years; the shape of clothes was changed upon trends. Sewing became easier than before by the invention of sewing machine, we should carry on our traditional sewing techniques. Through this analysis on sewing methods of the National Skills Competition, I hope to support competition participants for studying Hanbok and indicate proper sewing techniques.

Sewing Method of Inner Collar of Women's Jeogori in Modern Korea (근대이후 저고리 안감깃 봉제방법 소고)

  • Kim, Jin-Hong;Cho, Woo-Hyun
    • Journal of the Korea Fashion and Costume Design Association
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    • v.10 no.2
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    • pp.139-147
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    • 2008
  • This study aims to investigate and analyze sewing methods according to the shape of the inner collar among women's jeogories in order to understand such sewing techniques, which has emerged during modern Korea, and has utilized diversly for the shape of the jeogori's inner collar and as part of the inner collar. The study was conducted on relics possessed between 1900 to 1990, or 515 pieces of jeogories. Jeogories were classified into single-layered and double-layered jeogories according to the shape of their composition. Inner collar shapes of jeogories have also been categorized. It was found that single-layered jeogories comprise 49 inner collars with shapes identical to those of the outer collars. Double-layered jeogories comprise of the following three types: 43 pieces of godae close, 18 pieces in which the inner collar of the outer bodice are cut without a connecting line and the inner collar of the godae and inner bodice are suspended, and 405 pieces in which the share of the inner collar is identical to that of the outer collar. From the shapes of inner collars mentioned above, the following sewing methods have been derived: 1. To sew the inner collar of single-layered jeogories, a seaming technique had been used. 2. Among the inner collars of a double-layered jeogori, godae close was sewn with only a short part of the godae by using a lining, and then finished with overage and blind stitches. Godae close was a covenient way to attach inner collars, and also saved much time. 3. Inner collars with shapes identical to the outer collar are divided into two groups: those with outer collars cut out fellowing the cloth without seam and shifted towards the linings and used as an inner collar, and those with outer collars made of outer linings and inner collar of inner linings. To sew the collar, paste and needlework had been employed, where the methods of needlework were divided into blind stitch, overage stitch, and catch stitch. In sewing with paste, only godae was blind stitched or overage stitched, and the remainder had been painted with paste or the collar had been finished with heated soldering iron after the entire inner collar was painted with paste.

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Quality Benchmark of 360 Panoramic Image Generation (360 도 파노라마 영상 생성 기법의 품질 측정 기법 비교)

  • Kim, Soo Jie;Park, In Kyu
    • Proceedings of the Korean Society of Broadcast Engineers Conference
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    • 2021.06a
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    • pp.212-215
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    • 2021
  • 본 논문에서는 6 Fisheye lens 원본 영상에 대하여 Insta360 stitcher, AutoStitch[4], As-Projective-AsPossible(APAP)[5] 스티칭 방법으로 360 도 파노라마 영상을 생성하고 기하학적 왜곡과 컬러 왜곡을 비교 평가한다. 360 도 파노라마 Image Quality Assessment(IQA) 메트릭으로 Natural Image Quality Evaluator(NIQE)[6], Blind/Referenceless Image Spatial Quality Evaluator (BRISQUE)[7], Perception based Image Quality Evaluator(PIQE)[8], Feature Similarity(FSIM)[9] 그리고 high frequency feature 에 대한 Structural Similarity(SSIM)[10]을 측정하여 정량적 평가를 하며 정성적인 비교를 통하여 파노라마 영상의 품질과 평가 메트릭에 대한 벤치마크를 제공한다.

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APPLICATION OF 0.2% HYALURONIC ACID GEL IN ORAL SURGICAL WOUND : A RANDOMIZED DOUBLE-BLIND STUDY (구강내 외과적 창상 치유에서 0.2% hyaluronic acid gel의 유효성에 대한 이중 맹검 연구)

  • Kim, Jae-Yoon;Lee, Jin-Yong;Bae, Kwang-Hak;Lee, Jong-Ho
    • Journal of the Korean Association of Oral and Maxillofacial Surgeons
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    • v.34 no.2
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    • pp.157-165
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    • 2008
  • The aim of this study was to evaluate the efficacy of a topical 0.2% hyaluronic acid (HA) preparation in the management of wound after removal of arch bar for facial bone fracture and a suture site after orthognatic, oral cancer or oral surgery. Forty patients participated in a randomized, placebo controlled, double-blind trial to evaluate the efficacy of the topical HA and preparation. HA topically applied to the wound after removal of arch bar or stitch out, 3 times a day for 4 weeks. Evaluation is performed once a week for 4 weeks. For subjective evaluation, relative pain reduction in visual analog scale (VAS) and existence of heat sensation was accessed. For objective evaluation, gross evaluation, papilla index, existence of wound dehiscence, redness and swelling was checked. The same evaluation was performed in each arch bar group and suture group. For whole subject, 0.2% HA group resulted higher reduction than placebo group in pain of site in first week with significancy. Same findings were seen other weeks but there was no significancy. 0.2% HA group had better result than placebo in objective evaluation (papilla index, wound dehiscence, redness and swelling), but in gross evaluation placebo had better result than 0.2% HA group with no significancy. Subject was divided into suture group and arch bar group. Same aspect was seen, but only suture group had significancy not arch bar group in pain reduction score. 0.2% HA group resulted higher reduction than placebo group in pain of site in first week with significancy, especially in suture group. It reveals topical application of HA in wound especially suture site reduced pain in early stage. And 0.2% HA group had better result than placebo in papilla index, redness and swelling with no statistical significancy. In conclusion, HA has effect of pain reduction and healing promotion in the mucosal wound after oral surgery.

A Study on the Restoration Methods of the Excavated Costume: Focus on Excavated Costumes of Yeosan Song's Family at Mokdal-dong in Daejeon (출토복식의 보수방법에 관한 연구: 대전 목달동 출토 여산송씨 출토복식을 중심으로)

  • Ha, Shinhye;Kwon, Youngsuk
    • Journal of Conservation Science
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    • v.29 no.2
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    • pp.161-170
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    • 2013
  • The purpose of this study is to find the reasonable plan for the restoration method through the practical repair of excavated costume. The minimal repair only without adding the physical force as far as possible after investigating the state of excavated costume has been progressed in case of excavated costume since it is already degraded and weak due to the characteristics of organic matter at the moment when it is excavated. Moreover, it has been restored as the following course; The restoration has been applied according to the state of excavated costume with the maximum stability by classifying items capable of being restored considering the fabric state of excavated costume. The drawn thread from the weak in strength and the refined thread of the Juasa(simple gauze) or the light degraded silk thread has been used in case of thread for restoration. The cotton fabrics has been used in the fabric of cellulose system, the Juasa or the silk has been used in the silk depending on the kind of fabric in connection with the support fabric, some parts have been dyed with Alnus firma fruit and the persimmon, has been repaired by using the dyed fabric with the clove for the purpose of mothproof-antibacterial treatment. The method to repair has been carried out by classifying according to the state of damage and the way of formation of costume. The needlework method suitable for the part and state of damage by using the basting, the broad-stitching, backstitch, the blind stitch and the hemming stitch in connection with the needlework method for restoration.

Development of a Screw-Crane System for Pre-Lifting the Sternal Depression in Pectus Excavatum Repair: A Test of Mechanical Properties for the Feasibility of a New Concept

  • Park, Hyung Joo;Rim, Gongmin
    • Journal of Chest Surgery
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    • v.54 no.3
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    • pp.186-190
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    • 2021
  • Background: Pre-lifting of the sternum marked a major turning point in pectus excavatum repair. The author developed the crane technique in 2002 and successfully applied it to more than 2,000 cases using sternal wire stitching. However, blind sternal suturing limited the use of the wire-stitch crane. We propose a novel screw for sternal lifting as a new tool for the crane technique. Methods: We developed a screw system strong enough to withstand the pressure needed for sternum lifting. The screw was designed to have a broader thread to hold the bony tissue securely. The screw's sustaining power was tested using the torsion, driving torque, and axial pull-out tests in a polyurethane block and ex-vivo porcine sternum. Results: The screws were easily driven into the sternum, and the head of the screw was connectable to the table-mounted retractor. In the torsion test, the 2° offset torsional yield was 4.53 N·m (reference value, 1 N·m). In the polyurethane block driving torque test, the maximum torque was 0.98 N·m (reference value, 0.70 N·m). The axial pull-out test was 446 N (reference value, 100 N). The maximum pull-out resistance in the ex-vivo porcine sternum model was 1,516 N. Conclusion: The screw crane was strong enough to sustain the chest wall weight to be lifted. Thus, the screws could effectively replace the sternal wire stitching in crane pre-lifting of the sternum. We expect that application of the screw-crane will be easy and that it will improve the safety and success rate of pectus repair surgery.